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1.0
Net186 Demonstration Board
User’s Manual
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Net186TM Demonstration Board User’s Manual, Release 1.0
1.0
© 1997 by Advanced Micro Devices, Inc.
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any
form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written
permission of Advanced Micro Devices, Inc.
Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subdivision (b)(3)(ii) of the
Rights in Technical Data and Computer Software clause at 252.227-7013. Advanced Micro Devices, Inc., 5204 E. Ben
White Blvd., Austin, TX 78741.
Am186, E86, E86MON, Net186, PCnet, AMD, the AMD logo and combinations thereof are trademarks and FusionE86
is a service mark of Advanced Micro Devices, Inc.of Advanced Micro Devices, Inc.
Product names used in this publication are for identification purposes only and may be trademarks of their respective
companies.
Microsoft is a registered trademark of Microsoft Corp.
Windows is a registered trademark of Microsoft Corp.
Other product or brand names are used solely for identification and may be the trademarks or registered trademarks of
their respective companies.
The text pages of this document have been printed on recycled paper consisting of 50% recycled fiber and 50%
virgin fiber; the post-consumer waste content is 10%. These pages are recyclable.
Advanced Micro Devices, Inc.
5204 E. Ben White Blvd.
Austin, TX 78741-7399
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Contents
About the Net186 Demonstration Board
Demonstration Board Features ............................................................................ ix
Software.................................................................................................................x
Documentation ......................................................................................................x
About This Manual ...........................................................................................x
Suggested Reference Material........................................................................ xii
Documentation Conventions......................................................................... xiii
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Chapter 1
Quick Start
Connecting to a PC............................................................................................ 1-2
Net186 Sample Applications............................................................................. 1-6
For More Information........................................................................................ 1-7
Chapter 2
Demonstration Board
Functional Description
Hardware Block Diagram and Memory Map.................................................... 2-2
Net186 Demonstration Board Parts List............................................................ 2-4
Am186ES Microcontroller Implementation...................................................... 2-5
ROM Space ....................................................................................................... 2-8
Net186TM Demonstration Board User’s Manual
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SRAM ................................................................................................................ 2-8
RS-232 Serial Ports ........................................................................................... 2-9
PCnet-ISA II Ethernet Controller .................................................................... 2-10
10BASE-T Port ........................................................................................... 2-11
Access Unit Interface (AUI) Port................................................................ 2-11
Clock and Reset Logic..................................................................................... 2-12
Am186 Expansion Interface ............................................................................ 2-12
Flash Chip Select Switch ................................................................................. 2-15
LED Indicators................................................................................................. 2-16
PIO Activity LED Indicators....................................................................... 2-16
PCnet-ISA II Ethernet Controller Status LEDs........................................... 2-17
Power Supply................................................................................................... 2-18
PAL Equations ................................................................................................. 2-19
Net186 Initialization Overview ....................................................................... 2-20
Things to Remember........................................................................................ 2-22
Chapter 3
Product Support
AMD Corporate Applications Technical Support Services............................... 3-2
E-Mail Support .............................................................................................. 3-2
Online Support .............................................................................................. 3-2
Telephone and Fax Support........................................................................... 3-3
Product Support ................................................................................................. 3-4
WWW Site .................................................................................................... 3-4
FTP Site......................................................................................................... 3-5
Third-Party Development Support Products ..................................................... 3-5
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PCnet-ISA II Ethernet Controller Legacy Mode......................................... 2-21
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Appendix A
Schematics and Board Bill of Materials
Schematics........................................................................................................ A-2
Board Bill of Materials (BOM) ...................................................................... A-12
Appendix B
PCnet Family History
LANCE / CLANCE...........................................................................................B-1
PCnet Family of Ethernet Controllers ...............................................................B-2
PCnet-ISA Series (16-Bit) for ISA/EISA-Based Environments...................B-2
PCnet-32 (32-Bit) for VL or General 32-Bit Local-Bus Based
Environments ................................................................................................B-3
PCnet-PCI II (32-Bit) for PCI-Based Environments ....................................B-3
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PCnet-FAST (32-Bit) for PCI-Based Environments.....................................B-4
Software Compatibility .................................................................................B-4
MACE (16-Bit) for General 16-Bit Environments............................................B-5
Appendix C
References
Books and Literature .........................................................................................C-1
Periodicals .........................................................................................................C-1
World Wide Web ...............................................................................................C-2
Appendix D
PAL Source File Listing
PAL Source File Contents ................................................................................ D-2
Net186TM Demonstration Board User’s Manual
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Appendix E
EEPROM Contents
NET186.DAT File Listing .................................................................................E-2
Appendix F
TCP/IP Primer
Overview............................................................................................................F-2
Drivers, Protocol Stacks, and RTOS Support ....................................................F-3
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Index
List of Figures
Block Diagram of the Net186 Demonstration Board ........................................ 2-2
Am186ES Microcontroller Block Diagram....................................................... 2-6
PCnet-ISA II Ethernet Controller Block Diagram............................................. 2-7
DB-9 Serial Connector Pinouts ......................................................................... 2-9
Front View of the RJ-45 Connector................................................................. 2-10
Am186 Expansion Interface Pinout (P1)......................................................... 2-13
Am186 Expansion Interface Pinout (P2)......................................................... 2-14
Flash Chip Select Switch Set for Normal Operation ....................................... 2-15
Flash Chip Select Switch Set to Disconnect the Am186 Microcontroller
from On-Board Flash Memory ........................................................................ 2-15
Power Supply Polarity ..................................................................................... 2-18
Client and Server Protocol Stacks .....................................................................F-1
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List of Tables
Notational Conventions ..................................................................................... xiii
Installation Troubleshooting.............................................................................. 1-5
Memory Space Configuration ........................................................................... 2-3
I/O Space Configuration.................................................................................... 2-3
Net186 Demonstration Board Parts List............................................................ 2-4
RJ-45 Connector Pin Functions....................................................................... 2-10
PIO LED Indicator Interface ........................................................................... 2-16
PCnet-ISA II Ethernet Controller LED Indicator Interface ............................ 2-17
Board Bill of Materials (BOM) ...................................................................... A-12
Protocol Stack Vendors...................................................................................... F-4
RTOS Vendors ................................................................................................... F-5
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Net186TM Demonstration Board User’s Manual
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About the Net186
Demonstration Board
The AMD® Net186TM Demonstration Board is a small (3.5" x 3.5") demonstration
board combining AMD’s Am79C961A PCnetTM-ISA II Ethernet controller,
Am186ES microcontroller, PALCE22V10, and Am29F400 Flash memory. It
demonstrates how simple, low-cost Ethernet capability can be added to a wide
variety of embedded networking applications. See Figure 2-1 on page 2-2 for a
block diagram of the demonstration board.
1.0
Typical applications of the demonstration board design include low-cost, managed
Ethernet hubs, "smart house" components, industrial control, point-of-sale
terminals, and software development tools such as ROM emulators. An entire new
class of applications known as "net appliances", ranging from electric meters to
coffee pots, could also use a design similar to that of the Net186 demonstration
board.
The Net186 demonstration board uses the Am186ES microcontroller. The
Am186ES microcontroller integrates peripherals such as twelve 16-bit memory
chip-select controllers, two asynchronous serial controllers, three timers, 32
programmable I/Os, an interrupt controller, and a watchdog timer to increase
system functionality while reducing the overall cost. The memory controller also
supports a glueless connection to SRAM, Flash memory, and EEPROM. The
Am186ES microcontroller also features an innovative bus design that allows the
processor to run at nearly twice the speed of standard 80C186 processors while
using commodity memory devices.
The Net186 demonstration board is designed with a 104-pin Am186 expansion
interface that provides access to the Am186ES microcontroller signals. For more
information about the Am186 expansion interface, see “Am186 Expansion
Interface” on page 2-12.
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Demonstration Board Features
The Net186 demonstration board provides the following features:
• Am186ES microcontroller
• PCnet-ISA II single-chip Ethernet controller
• E86TM family boot monitor (E86MONTM) board-resident utility
Information on invoking and using the E86MON software is provided in the
E86MONTM Software User’s Manual provided in your kit.
• 512 Kbyte SRAM
• 512 Kbyte Am29F400-70 Flash memory
• Am186 104-pin expansion interface
• Two RS-232 serial ports with DB-9 connectors
• Activity LED indicators for PIO signals and the Ethernet controller
• Reset circuitry
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Net186TM Demonstration Board User’s Manual
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• One 10-Mbit/s 10Base-T port for twisted-pair Ethernet connection with an
RJ-45 connector
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Software
The Net186 demonstration board is supplied with three software packages.
E86MON
A general-purpose interactive monitor program that allows you to
load, run, and debug programs from an attached PC. See the
E86MONTM Software User’s Manual included in your kit for more
information.
USNET
A TCP/IP stack with associated applications from US Software that
have been ported to the Net186 demonstration board for evaluation
purposes. This stack allows you to run common applications like FTP,
Telnet, and E86Web on live networks for demonstrations. TCP/IP
stacks are discussed in more detail in Appendix F, “TCP/IP Primer”.
E86Web
An embedded web-server application using US Software’s Internet
Access Package (IAP). This application allows the Net186
demonstration board to return simple web pages to a web browser
running on another machine.
1.0
Information on how to configure and run the sample applications is provided in
the README.TXT file on the 3½" disk named Example Applications that is
included in your kit.
Documentation
The Net186TM Demonstration Board User’s Manual provides information on the
design and function of the Net186 demonstration board. Detailed instructions for
using the E86MON software are provided in the E86MONTM Software User’s
Manual included in your kit. The demonstration board is shipped with the
E86MON software installed in the on-board Flash memory.
About This Manual
Chapter 1, “Quick Start” provides implementation and installation information for
the demonstration board and instructions for invoking the E86MON software.
Detailed information on using the E86MON software is provided in the E86MONTM
Software User’s Manual included in your kit.
Net186TM Demonstration Board User’s Manual
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Chapter 2, “Demonstration Board Functional Description” contains descriptions
of the basic sections of the demonstration board including: Flash memory, serial
ports, clock and reset logic, expansion interface, Ethernet controller, LED
indicators, and power-supply circuitry.
Chapter 3, “Product Support” provides information on reaching and using the AMD
Corporate Applications technical support services, product information available
through AMD’s WWW and FTP sites, and support tools for the embedded E86
and PCnet families.
Appendix A, “Schematics and Board Bill of Materials” contains the schematics
and Bill of Materials (BOM) for the Net186 demonstration board.
Appendix B, “PCnet Family History” contains information about AMD’s PCnet
family of networking products.
Appendix D, “PAL Source File Listing” contains the contents of the PAL source
file included in your kit.
Appendix E, “EEPROM Contents” contains the text file that shows the contents
of the EEPROM used on the Net186 demonstration board.
Appendix F, “TCP/IP Primer” contains a brief explanation of protocol stacks and
information about protocol stack vendors.
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Appendix C, “References” contains names of various publications and web site
addresses that provide more information about Ethernet and general networking.
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Suggested Reference Material
For information on ordering the literature listed below, see Chapter 3, “Product
Support”.
• Am186TMES and Am188TMES Microcontrollers Data Sheet
Advanced Micro Devices, order #20002
• Am186TMES and Am188TMES Microcontrollers User’s Manual
Advanced Micro Devices, order #21096
• Am186TM and Am188TM Family Instruction Set Manual
Advanced Micro Devices, order #21267
• Am79C961A PCnetTM-ISA II Jumperless, Full Duplex Single-Chip Ethernet
Controller for ISA Data Sheet
Advanced Micro Devices, order #19364
• FusionE86SM Catalog
Advanced Micro Devices, order #19255
1.0
• FusionE86SM Development Tools Reference CD
Advanced Micro Devices, order #20158
For current application notes and technical bulletins, see our WWW page at http:/
/www.amd.com.
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Documentation Conventions
The Net186TM Demonstration Board User’s Manual uses the conventions shown
in Table 0-1 (unless otherwise noted).
Table 0-1. Notational Conventions
Usage
Boldface
Indicates that characters must be entered
exactly as shown, except that the alphabetic case is
only significant when indicated.
Typewriter face
Indicates computer text input or output in an example
or listing.
1.0
Symbol
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Net186TM Demonstration Board User’s Manual
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Chapter 1
Quick Start
This chapter provides information that will help you quickly set up and start using
the Net186 demonstration board.
The Net186 demonstration board is supported by the E86MON software. The
E86MON software enables you to load, run, and debug programs on the Net186
demonstration board. For more information on using the E86MON software, refer
to the E86MONTM Software User’s Manual included in your kit.
For information on how to:
• Connect the Net186 demonstration board to a PC, see page 1-2
• Invoke the E86MON software, see page 1-4
1.0
• Troubleshoot installation problems, see page 1-5
• Run a sample application, see page 1-6
• Locate related sources of information, see page 1-7
Net186TM Demonstration Board User’s Manual
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Connecting to a PC
The procedure in this section describes how to connect the Net186 demonstration
board to a PC for use as a standard Am186 microcontroller evaluation board using
the E86MON software over an RS-232 port.
For information on attaching the Net186 demonstration board using the PCnet-ISA
II Ethernet controller, see the README.TXT file on the 3½" disk named Example
Applications that is included in your kit.
Follow the steps below to connect the Net186 demonstration board to your PC.
Installation Requirements
The items listed below are necessary to install and run the Net186 demonstration
board:
• Terminal emulation software (such as Microsoft Windows® Terminal or
ProComm Plus) that supports ASCII file transfers, software flow control (Xon/
Xoff), and send break capability
• Power source for universal power supply
Board Installation
!
CAUTION: As with all computer equipment, the Net186
demonstration board may be damaged by electrostatic
discharge (ESD). Please take proper ESD precautions when
handling any board.
1. Remove the board from the shipping carton. Visually inspect the board to verify
that it was not damaged during shipment.
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1.0
• PC with an available COM port
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2. Connect the Net186 demonstration board’s DB-9 serial port (J3) to an available
COM port. Use the serial cable included in the Net186 demonstration board
kit and note that a DB-9 to DB-25 serial connector adapter is provided if your
host system requires it. The pinout of the demonstration board’s serial connector
is shown in Figure 2-4 on page 2-9.
COM1
COM2
serial
cable
1.0
!
DANGER: Make sure the power supply is not plugged
into an electrical outlet before connecting it to the Net186
demonstration board.
3. Connect the power supply to the barrel connector on the Net186 demonstration
board.
4. Apply power to the demonstration board by connecting the power supply to an
electrical outlet. When the demonstration board is powered up, the LEDs (CR5–
CR12) should flash in an oscillating pattern for a three-second interval.
!
CAUTION: If using your own power supply, ensure that it is a
5-V supply. Using a 9-V supply will permanently damage the
board.
Net186TM Demonstration Board User’s Manual
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5. Invoke the terminal emulation program at 19200 baud or higher, no parity, 8
data bits, and 1 stop bit; enable the software flow control (Xon/Xoff), if
supported.
Note that the Net186 demonstration board can reliably autobaud at rates up to
115 Kb/s. You can use these higher baud rates if your PC supports them.
6. Reset the demonstration board by depressing and releasing the RESET switch
located in the upper right corner of the demonstration board. The LEDs on the
board (CR5–CR12) will flash in an oscillating pattern for three seconds, as they
did upon power up.
During the three-second period while the LEDs are flashing, type an a in the
terminal window to ensure that the E86MON software uses the correct baud
rate. When the E86MON software receives an a, it adjusts its baud rate (if
necessary) and displays the welcome message and prompt.
Welcome to AMD’s EMon 186!
(? <Enter> for help)
If an a key is not received, the E86MON software jumps to the user-application
bootstrap vector, located at F7FF0h (see the E86MONTM Software User’s
Manual included in your kit for more information). Depressing and releasing
the RESET switch gives you another opportunity to type an a.
7. To display the version of the E86MON software and the commands available,
type ? and press Enter.
8. You can now specify one of the commands from the E86MON software
command menu or run one of the sample applications included in your kit.
For detailed information about using the E86MON software, refer to the
E86MONTM Software User’s Manual included in your kit.
For information about the Net186 sample applications, see “Net186 Sample
Applications” on page 1-6.
1-4
Net186TM Demonstration Board User’s Manual
1.0
es86mon:
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Table 1-1. Installation Troubleshooting
1.0
Problem
Solution
Nothing happens when
pushing the RESET
button.
Sometimes it is difficult to make a good connection
when pushing the small RESET button. Try
removing the power supply from the AC electrical
outlet and disconnecting and reconnecting the
power supply.
You should also verify that the Flash chip select
switch (SW2) is pointing in the correct direction.
See Figure 2-8 on page 2-15 for more information.
The LEDs will flash in an oscillating pattern when
the reset is successful.
The computer does not
respond with the E86MON
software prompt.
Reset the board by pressing the RESET switch and
typing an a while the LEDs are flashing in an
oscillating pattern. If this does not work, verify the
power, check the cables, etc.
After typing a during reset,
the terminal emulation
software displays
unreadable characters.
Check the baud rate setting for the terminal
emulation software. It should be set to 19200. Also
check the word length (8), stop bits (1), parity (N),
and turn off any hardware flow control.
After a processor reset, the
LEDs do not flash in the
expected pattern.
Check that the power LED is on and the correct
voltage is supplied to the board. Ensure that the
polarity of the power connector is correct.
The terminal emulation
program locks up the
software or PC.
Check the COM port connection with the target
board. Make sure that the same COM port is
selected in the terminal emulation software. In
some PCs if the correct COM port is not specified,
the software will fail to function—it will lock in a
continuous loop waiting for an answer from the
incorrect serial port.
The power LED does not
turn on with power.
Immediately disconnect the power supply. Ensure
that the polarity of the power connector is correct.
This is a very serious failure of the hardware. If the
power source is connected incorrectly, the board
will be permanently damaged.
There is a problem you
cannot resolve.
Contact the AMD Corporate Applications
technical support services (see Chapter 3, “Product
Support” for phone numbers and more
information.)
Net186TM Demonstration Board User’s Manual
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Net186 Sample Applications
Two sources of sample applications are available for the Net186 demonstration
board and are available in your kit:
• The 3½" disk containing the E86MON demonstration board utility provides
sample applications in the /OUT and /SAMPLES directories.
For more information about loading and running the E86MON sample code,
see the E86MONTM Software User’s Manual included in your kit.
• The 3½" disk containing the Net186 demonstration board applications provides
a demonstration version of US Software’s TCP/IP stack USNET, as well as a
sample web server application.
1.0
To load the demonstration library and application, refer to the README.TXT
file on the disk.
1-6
Net186TM Demonstration Board User’s Manual
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For More Information...
If you need more information about:
• Net186 demonstration board hardware,
see Chapter 2 of this manual
• The E86MON software,
see the E86MONTM Software User’s Manual included in your kit
• The Am186ES microcontroller,
see the Am186TMES/ESLV and Am188TMES/ESLV Microcontrollers Data Sheet
and the Am186TMES and Am188TMES Microcontrollers User’s Manual
• The PCnet-ISA II Ethernet controller,
see the Am79C961A PCnetTM-ISA II Jumperless, Full Duplex Single-Chip
Ethernet Controller for ISA Data Sheet
• The Am29F400 Flash,
see the Am29F400 Data Sheet
1.0
• The PALCE22V10 device,
see the PALCE22V10 PAL Devices Book and Design Guide
• Network products,
see the Networking Products Literature and Software CD
Net186TM Demonstration Board User’s Manual
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Chapter 2
Demonstration Board
Functional Description
The Net186 demonstration board shows how easy it is to create a low-cost,
embedded Ethernet solution using the Am186ES microcontroller and the
Am79C961A PCnet-ISA II single-chip Ethernet controller. In addition to the
Am186ES microcontroller and PCnet-ISA II Ethernet controller, the Net186
demonstration board contains a single Am29F400 4-Mbit Flash memory and a
single 4-Mbit SRAM. The Flash memory is shipped with the E86MON software
and demonstration application software and can be loaded with user-application
programs. The SRAM will typically contain temporary user data in addition to the
Ethernet packet data.
1.0
Read the following sections to learn more about the Net186 demonstration board
hardware:
• “Hardware Block Diagram and Memory Map” on page 2-2
• “Net186 Demonstration Board Parts List” on page 2-4
• “Am186ES Microcontroller Implementation” on page 2-5
• “ROM Space” on page 2-8
• “SRAM” on page 2-8
• “RS-232 Serial Ports” on page 2-9
• “PCnet-ISA II Ethernet Controller” on page 2-10
• “Clock and Reset Logic” on page 2-12
• “Am186 Expansion Interface” on page 2-12
• “Flash Chip Select Switch” on page 2-15
• “LED Indicators” on page 2-16
• “Power Supply” on page 2-18
• “PAL Equations” on page 2-19
• “Net186 Initialization Overview” on page 2-20
• “Things to Remember” on page 2-22
Net186TM Demonstration Board User’s Manual
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Hardware Block Diagram and Memory Map
One of the key features of the Net186 demonstration board is the near glueless
interface between the Am186ES microcontroller and the PCnet-ISA II Ethernet
controller. Figure 2-1 shows a block diagram of the Net186 demonstration board.
Some elements, such as the RS232 serial ports and the Ethernet connection, were
left off for clarity.
Note that a single PAL22V10 device is used to connect the processor to the Ethernet
controller. In fact, the logic inside the PAL22V10 will fit easily into a PAL16V8,
or could be implemented with SSI logic gates. The PAL22V10 was used on the
Net186 demonstration board for user-expansion purposes.
WR*
RD*
+5V
+5V
MEMWR*
/OE
R/W
256K x 16 SRAM
(512 Kb)
/UCS
/CE
RCS*
+5V
UCS*
EEPROM
+5V
/LB /UB
SBHE*
ADX
Pcnet-ISA
79C961A
DATA
Am186ES
IRQ
INT0
HLDA
ARDY
/WLB
/PCS2
/PCS3
/LCS
/BHE
2 RS-232
serial ports
/SMEMR
HLDA*
+5V
/IOCS16
DRQ
/DACK
IOCHRDY
10Base-T
N/C
RESET
IOCHRDY
AEN*
CLKA
/WHB
HLDA
/REF
IRQ
HOLD
HOLD
/SBHE
/MSTR
40, 33,
25 MHz
1.0
(512Kb)
/BYTE
/CE
/MEMR
/OE
Am29F400
/IOR
/IOW
/WE
A0
RESET
RES*
/MEMW
TL7705A
20MHz
+5V
SBHE*
SBHE*
+5V
+5V
LCS*
BHE*
WHB*
PALCE
22V10
RD*
MASTER*
MEMWR*
MEMWR*
+5V
WLB*
RCS*
Figure 2-1. Block Diagram of the Net186 Demonstration Board
2-2
Net186TM Demonstration Board User’s Manual
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Table 2-1 and Table 2-2 show where Flash memory, SRAM, and the PCnet-ISA II
Ethernet controller are configured in Am186ES microcontroller memory and I/O
space. Note that the PCnet-ISA II Ethernet controller I/O base address can be
modified by editing the setup EEPROM.
Please refer to the PCnet-ISA II Ethernet controller documentation for I/O register
mapping for that device. Also, please refer to the Am186TMES and Am188TMES
Microcontrollers Data Sheet for locations and use of built-in peripherals, registers,
and logic.
Table 2-1. Memory Space Configuration
CPU Address
Memory Space
0x80000–0xFFFFF
Flash memory (512 KByte)
0x00000–0x7FFFF
SRAM (512 KByte)
Table 2-2. I/O Space Configuration
1.0
CPU Address
I/O Space
0x200–0x21F
PCnet-ISA II Ethernet controller
registers
0xFF00–0xFFFF
Am186ES peripheral control block
The Am186ES microcontroller boots at the very top of addressable memory. The
first code fetch is done at address FFFF0h, and asserts the Upper Chip Select (UCS)
line. On the Net186 demonstration board, this line is configured to enable the Flash
memory. The Flash memory is available exclusively to the Am186ES
microcontroller, while the SRAM can be accessed by both the Am186ES
microcontroller and the PCnet-ISA II Ethernet controller.
The PCnet-ISA II Ethernet controller actually takes over the processor local bus,
and with DMA control, transfers Ethernet packet data directly to and from the
SRAM. Note that the Net186 demonstration board comes equipped with 512 Kbyte
of Flash memory and 512 Kbyte of SRAM. Most applications will not need this
much memory.
Net186TM Demonstration Board User’s Manual
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Net186 Demonstration Board Parts List
Table 2-3 lists the Net186 demonstration board part numbers, parts, and where to
find more information about the individual parts.
2-4
Part
Number
Description
For more
information, see
CR1–CR12
Signal LEDs
Page 2-16
J1
Power connector
Page 2-18
J2, J3
Serial ports
Page 2-9
J5
RJ-45 Ethernet connector
Page 2-10
P1, P2
Am186 Expansion interface
Page 2-12
SW2
UCS chip select switch
Page 2-15
U10
Am186ES 40-MHz microcontroller
Page 2-5
U11
Flash memory
Page 2-8
U2
PAL22V10
Page 2-19
U4
Reset controller (TI TL7705ACD)
Page 2-12
U5, U6
RS-232 driver/receiver devices (MAX232)
Page 2-9
U7
PCnet-ISA II Ethernet controller
Page 2-10
U9
SRAM
Page 2-8
Y1
40-MHz fundamental mode crystal
Page 2-12
Y2
20-MHz fundamental mode crystal
Page 2-12
Net186TM Demonstration Board User’s Manual
1.0
Table 2-3. Net186 Demonstration Board Parts List
net186about.book : net186ch2.fm Page 5 Monday, June 23, 1997 11:05 AM
Am186ES Microcontroller Implementation
The Net186 demonstration board is shipped with an Am186ES microcontroller
that operates at 40 MHz. Although not supported by the on-board crystal, the
Am186ES microcontrollers are also available in 20-, 25-, and 33-MHz operating
frequencies. The Net186 demonstration board also includes a PCnet-ISA II
Ethernet controller. See Figure 2-3 on page 2-7 for a block diagram detailing the
PCnet-ISA II Ethernet controller’s functionality.
The Am186ES microcontrollers are designed to meet the most common
requirements of embedded products developed for the communications, office
automation, mass storage, and general embedded markets. Specific applications
include feature phones, cellular phones, PBXs, multiplexers, modems, disk drive
controllers, hand-held and desktop terminals, fax machines, line cards, managed
hubs, and industrial control. Refer to the Am186TMES/ESLV and Am188TMES/ESLV
Microcontrollers Data Sheet for more information on the specific features of the
Am186ES microcontrollers.
1.0
See Figure 2-2 on page 2-6 for a block diagram detailing the Am186ES
microcontroller’s functionality.
Net186TM Demonstration Board User’s Manual
2-5
net186about.book : net186ch2.fm Page 6 Monday, June 23, 1997 11:05 AM
PWD
INT2/INTA0
INT1/SELECT
INT0
INT6-INT4
CLKOUTB
TMRIN0
TMROUT1
TMRIN1
DRQ0
Clock and
Power
Management
Unit
Interrupt
Control Unit
Pulse
Width
Demodulator
(PWD)
0
2
0
Max Count B
Registers
Max Count A
Registers
16-Bit Count
Registers
Control
Registers
GND
Control
Registers
1
20-Bit Source
Pointers
20-Bit Destination
Pointers
16-Bit Count
Registers
Control
Registers
Control
Registers
Control
Registers
1 (WDT)
DRQ1
DMA
Unit
Timer Control Unit
X2
X1
VCC
TMROUT0
NMI
RES
Control Refresh
Registers Control
Unit
ARDY
SRDY
S2-S0
DT/R
DEN/DS
HOLD
HLDA
S6/LOCK/
CLKDIV2
UZI
PSRAM
Control
Unit
PIO31PIO0
Control
Registers
Control
Registers
Asynchronous
Serial Port 0
Execution
Unit
Bus
Interface
Unit
PIO
Chip-Select
Unit
Asynchronous
Serial Port 1
TXD0
RXD0
RTS0/RTR0
CTS0/ENRX0
TXD1
RXD1
RTS1/RTR1
CTS1/ENRX1
RD
WHB
A19-A0
WLB
AD15-AD0
LCS/ONCE0
PCS6/A2
PCS5/A1
MCS3/RFSH
MCS2-MCS0
WR
BHE/ADEN
PCS3-PCS0
UCS/ONCE1
ALE
Figure 2-2. Am186ES Microcontroller Block Diagram
2-6
Net186TM Demonstration Board User’s Manual
1.0
INT3/INTA1/IRQ
CLKOUTA
P R E L I M I N A R Y
BLOCK DIAGRAM: BUS MASTER MODE
AEN
DACK[3, 5–7]
DRQ[3, 5–7]
RCV
FIFO
IOCHRDY
IOCS16
IOR
IOW
IRQ[3, 4, 5, 9,
10, 11, 12]
MASTER
MEMR
ISA Bus
Interface
Unit
802.3
MAC
Core
CI+/–
Encoder/
Decoder
(PLS) &
AUI Port
XMT
FIFO
MEMW
DXCVR/EAR
DI+/–
XTAL1
XTAL2
DO+/–
REF
RXD+/–
RESET
10BASE-T
MAU
SBHE
BALE
FIFO
Control
SD[0-15]
LA[17-23]
SA[0-19]
SLEEP
SHFBUSY
EEDO
EEDI
EESK
EECS
IRQ15/APCS
Private
Bus
Control
Buffer
Management
Unit
TXD+/–
TXPD+/–
BPCS
LED[0–3]
PRDB[0–7]
TDO
JTAG
Port
Control
EEPROM
Interface
Unit
TMS
TDI
TCK
DVDD[1-7]
DVSS[1-13]
AVDD[1-4]
AVSS[1-2]
19364A-1
10
Am79C961A
net186about.book : net186ch2.fm Page 8 Monday, June 23, 1997 11:05 AM
ROM Space
The Net186 demonstration board contains on-board ROM space for use by the
E86MON software and application code. This ROM space is implemented as an
Am29F400 70-ns Flash memory device.
The Flash memory device is mapped to the upper region of addressable memory
at 80000h to FFFFFh. The Flash memory device is organized as 256K x 16 bits
and is connected to the UCS (Upper Memory Chip Select) signal of the
microcontroller. After a valid reset, the Am186ES microcontroller fetches the first
instruction from the Flash memory device by asserting UCS and driving the address
bus with the value FFFF0h.
!
CAUTION: Do not attempt to remove the TSOP Flash memory
(U11) or SRAM device (U9) because doing so may cause damage
to the board.
SRAM
The Net186 demonstration board utilizes SRAM for its read/write storage. The
board provides 512 Kbyte of SRAM using a 70-ns device that is mapped from
00000h to 7FFFFh. The SRAM device is organized as 256K x 16 bits and is attached
to the LCS (Lower Memory Chip Select) signal of the microcontroller. For every access
to the above address range, the Am186ES microcontroller will assert LCS.
2-8
Net186TM Demonstration Board User’s Manual
1.0
The E86MON software enables you to program the Flash memory device with
specific types of hex files. Intel hex and Intel extended hex format files are
supported. This software functionality is provided to eliminate the need to remove
the Flash memory device.
net186about.book : net186ch2.fm Page 9 Monday, June 23, 1997 11:05 AM
RS-232 Serial Ports
The Net186 demonstration board provides two on-board RS-232 serial ports (J2
and J3) that are directly driven by the Am186ES microcontroller. The serial ports
are equipped with DB-9 DCE connectors. The pin assignment for the DB-9
connectors is shown in Figure 2-4.
Traditionally, PCs have Data Terminal Equipment (DTE) ports which connect
directly to the Data Communication Equipment (DCE) port on the Net186
demonstration board. A null modem cable is not required to connect a DTE port
with a DCE port.
The RS-232 specification calls for signals that are driven at non-TTL levels. Singlechip RS-232 driver/receiver devices (MAX232, U5 and U6) are used to convert to
and from the required voltages.
1.0
J2
NC
RTS0
CTS0
NC
9
8
7
6
5
4
3
2
1
GND
NC
RXD0
TXD0
NC
5
4
3
2
1
GND
NC
RXD1
TXD1
NC
J3
NC
RTS1
CTS1
NC
9
8
7
6
Figure 2-4. DB-9 Serial Connector Pinouts
Net186TM Demonstration Board User’s Manual
2-9
net186about.book : net186ch2.fm Page 10 Monday, June 23, 1997 11:05 AM
PCnet-ISA II Ethernet Controller
The Net186 demonstration board provides one on-board 10BASE-T port (J5) that
is directly driven by the PCnet-ISA II Ethernet controller. The 10BASE-T port is
equipped with an RJ-45 connector. Figure 2-5 and Table 2-4 show the pin
assignment and pin functions for the RJ-45 connector.
2
3
4
5
6
7
8
1.0
1
Figure 2-5. Front View of the RJ-45 Connector
Table 2-4. RJ-45 Connector Pin Functions
Pin Number
2-10
Function
1
TX+
2
TX-
3
RX+
4
Not used
5
Not used
6
RX–
7
Not used
8
Not used
Net186TM Demonstration Board User’s Manual
net186about.book : net186ch2.fm Page 11 Monday, June 23, 1997 11:05 AM
10BASE-T Port
The PCnet-ISA II Ethernet controller provides an on-chip physical layer function
so the only other device required to interface to the RJ-45 connector is a 10BASE-T
filter with transformer.
The 10BASE-T interface supports the maximum cable length (100 meters) between
a node and a hub. To link two stations through a 10BASE-T hub, simply use two
straight-through cables: one cable connects the twisted-pair port on the Net186
demonstration board to the hub; the other cable connects the hub to the second
station. Each end of the twisted-pair cable has a mating, RJ-45 type, eight-pin
modular plug that connects to the twisted-pair jack of each station. Figure 2-5 and
Table 2-4 on page 2-10 show the pin assignment and pin functions for the RJ-45
connector.
The PCnetTM-ISA II Ethernet Controller Hardware User’s Manual, order #19425,
contains detailed information about the 10BASE-T interface.
1.0
Access Unit Interface (AUI) Port
The PCnet-ISA II Ethernet controller provides an Access Unit Interface (AUI)
port. This AUI port, with the appropriate transceiver, allows connections to
different Ethernet medias; for example, coaxial shielded cables for 10BASE2 and
10BASE5 connections and filter cables for 10BASE-F connections. Connection
to the AUI port effectively bypasses the on-chip 10BASE-T transceiver.
NOTE: The AUI port is not supported by the Net186 demonstration board.
During initialization, the PCnet-ISA II Ethernet controller first checks for activity
on its 10BASE-T port. If the controller determines there is activity on that port, a
link will be established with the network. The AUI port will be ignored, even if
there is a physical connection on the AUI port via a transceiver device.
If the PCnet-ISA II Ethernet controller determines there is no activity on the
10BASE-T port, the controller checks for activity on the AUI port. When the
controller determines there is activity on the AUI port, a link is established with
the network. The 10BASE-T port is ignored until the next PCnet-ISA II Ethernet
controller initialization sequence.
When the PCnet-ISA II Ethernet controller determines there is no activity on either
the 10BASE-T or the AUI port, the controller typically issues an error condition.
Net186TM Demonstration Board User’s Manual
2-11
net186about.book : net186ch2.fm Page 12 Monday, June 23, 1997 11:05 AM
Clock and Reset Logic
The Am186ES microcontroller can be configured for either 1x or ½x clock mode.
As configured on the Net186 demonstration board, the microcontroller is in 1x clock
mode. The input is generated by a 40-MHz fundamental mode crystal (Y1) that is
connected to the X1/X2 inputs of the microcontrollers, resulting in a 40-MHz system
clock.
The PCnet-ISA II Ethernet controller is driven by a 20-MHz fundamental mode
crystal (Y2). Y2 is configured in ½x clock mode, resulting in a 10-MHz controller
clock frequency.
Am186 Expansion Interface
The Am186 expansion interface facilitates prototyping with external devices by
using the Net186 demonstration board as the Ethernet and processor elements of an
embedded design.
The Net186 demonstration board supports the PC/104 form-factor expansion-type
connector for additional prototyping and testing. The traditional PC/104 signals are
not present on the board; however, the Am186 expansion interface enables you to
attach wirewrap or prototype boards that have the same standard physical interface.
The pinout of the expansion interface is shown in Figure 2-6 on page 2-13 and Figure
2-7 on page 2-14.
!
2-12
WARNING: The Am186 expansion connector is
mechanically identical to the PC-104 standard. However,
the Am186 expansion is not electrically compliant with the
PC-104 standard and should not be used with PC-104 plugon cards.
Net186TM Demonstration Board User’s Manual
1.0
System reset is controlled by a voltage supply supervisor (TI TL7705ACD, U4).
This device generates the processor’s reset input, asserting the Am186ES
microcontroller’s RES pin for 13 ms when the RESET switch is depressed. The voltage
supply supervisor also holds reset active when the power falls below 4.75 V.
net186about.book : net186ch2.fm Page 13 Monday, June 23, 1997 11:05 AM
B
1.0
GND 32
GND 31
WHB 30
VCC 29
ALE 28
WLB 27
HLDA 26
INT3 25
INT4 24
NMI 23
CTS0 22
RXD0 21
TXD0 20
RTS0 19
NC 18
MCS0 17
MCS1 16
MCS2 15
MCS3 14
UZI 13
RD 12
WR 11
LCS 10
CS_FLASH/UCS 9
TMROUT1 8
TMRIN1 7
TMRIN0 6
NC 5
TMROUT0 4
VCC 3
RESET 2
GND 1
P1 A
32
GND
31 MA0
30 MA1
29 MA2
28 MA3
27 MA4
26 MA5
25 MA6
24 MA7
23 MA8
22 MA9
21 MA10
20 MA11
19 MA12
18 MA13
17 MA14
16
MA15
15
MA16
14
MA17
13
MA18
12
MA19
11 SRDY
10 ARDY/
IOCHRDY
9 AD0
8 AD1
7 AD2
6 AD3
5 AD4
4 AD5
3 AD6
2 AD7
1 NC
Figure 2-6. Am186 Expansion Interface Pinout (P1)
Net186TM Demonstration Board User’s Manual
2-13
net186about.book : net186ch2.fm Page 14 Monday, June 23, 1997 11:05 AM
AD8
NC
NC
NC
PCS0
PCS1
PCS2
PCS3
PCS5
PCS6
BHE
GND
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
D
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
GND
GND
DEN
VCC
DT/R
S0
S1
S2
CLKOUTB
CLKOUTA
DRQ0
DRQ1
NC
RFSH
INT0/IRQ_ENET
INT1
INT2
S6
HOLD/DRQ_ENET
GND
Figure 2-7. Am186 Expansion Interface Pinout (P2)
2-14
Net186TM Demonstration Board User’s Manual
1.0
C
FLASHCS
AD15
AD14
AD13
AD12
AD11
AD10
AD9
P2
net186about.book : net186ch2.fm Page 15 Monday, June 23, 1997 11:05 AM
Flash Chip Select Switch
The E86MON software utility enables you to program the on-board Flash memory
with your own application code; however, there may be situations when you want
to test your application from reset.
To enable you to test your own application code, the Net186 demonstration board
provides a switch that routes the on-board Flash memory chip select from the
Am186 expansion interface connector, instead of from the Am186ES UCS signal.
(The chip select for the on-board Flash memory has a weak pull-up to prevent the
UCS signal, available on the Am186 expansion interface connector, as its chip
select.)
For normal operation, the Flash chip select switch (SW2) should be set as shown
in Figure 2-8. The Am186ES microcontroller’s UCS signal will be connected to
the on-board Flash memory’s CE signal.
1.0
SW2
Figure 2-8. Flash Chip Select Switch Set for Normal Operation
To disconnect the Am186ES microcontroller from the on-board Flash memory, set
the Flash chip select switch as shown in Figure 2-9. This allows external equipment
to access the Flash memory via the FLASHCS signal on the expansion connector.
The FLASHCS signal is connected to the Flash memory CE signal. This also allows
the Am186ES microcontroller to execute code from an external device with the
on-board Flash memory disabled.
SW2
Figure 2-9. Flash Chip Select Switch Set to Disconnect the Am186
Microcontroller from On-Board Flash Memory
Net186TM Demonstration Board User’s Manual
2-15
net186about.book : net186ch2.fm Page 16 Monday, June 23, 1997 11:05 AM
LED Indicators
The Net186 demonstration board uses on-board LED indicators to show activity
on a subset of the programmable I/O (PIO) signals from the Am186ES
microcontroller and on the PCnet-ISA II Ethernet controller. The following
sections describe these LED indicators.
PIO Activity LED Indicators
Eight LEDs (CR5–CR12) are used to indicate activity on a subset of the Am186
microcontroller’s PIO signals. Table 2-5 shows which PIO signal is represented
by each LED.
2-16
LED
PIO Pin Name
PIO Register Bit
Number
CR5
TMROUT0
15
CR6
SRDY
14
CR7
DEN
5
CR8
DT/R
4
CR9
PCS5
3
CR10
PCS6
2
CR11
TMROUT1
1
CR12
TMRIN1
0
Net186TM Demonstration Board User’s Manual
1.0
Table 2-5. PIO LED Indicator Interface
net186about.book : net186ch2.fm Page 17 Monday, June 23, 1997 11:05 AM
PCnet-ISA II Ethernet Controller Status LEDs
Four LEDs (CR1–CR4) are used to indicate the status of the PCnet-ISA II Ethernet
controller interface. These LEDS are connected in reverse order to LED outputs
0–3 of the Ethernet controller.
The function of these LEDs can be controlled by the configuration of the ISA bus
configuration registers on the PCnet-ISA II Ethernet controller. The configuration
registers can be configured both by EEPROM and software. The Net186
demonstration board EEPROM and software leave the LEDs in their default
configuration (CR1/LED3 is inverted from its default function by the EEPROM).
XXX shows the LEDs, their corresponding Ethernet controller signal, and the
function of each one.
Table 2-6. PCnet-ISA II Ethernet Controller LED Indicator Interface
LED Function
1.0
LED
Ethernet
Controller
Signal Name
CR4
LED0
10BASE-T link status. When on, this
LED indicates a good 10BASE-T
connection.
CR3
LED1
Indicates receive activity from the
network.
CR2
LED2
Indicates transmit activity from the
Ethernet controller.
CR1
LED3
Indicates incorrect receive polarity on
the 10BASE-T connection.
For more information about the use of these LEDs, see the Am79C961A PCnetTMISA II Jumperless, Full Duplex Single-Chip Ethernet Controller for ISA Data Sheet,
order #19364.
Net186TM Demonstration Board User’s Manual
2-17
net186about.book : net186ch2.fm Page 18 Monday, June 23, 1997 11:05 AM
Power Supply
When used as a stand-alone board, the Net186 demonstration board requires an input
power supply of 5.0 V DC, ±5%, 250 mA.
When adding components to the Net186 demonstration board via the Am186
expansion interface, additional power may be necessary.
The power supply connector is a 5.5-mm barrel connector where the center post
is VCC and the outer ring is GND, as shown in Figure 2-10.
+5V
GND
Ethernet
Connector
LEDs
SW1 CR12 CR11 CR10 CR9 CR8 CR7 CR6 CR5 POWER
J5
Figure 2-10. Power Supply Polarity
!
2-18
CAUTION: Use the 5-V universal power supply included with
the kit. Using a 9-V supply will permanently damage the
board.
Net186TM Demonstration Board User’s Manual
1.0
Reset
net186about.book : net186ch2.fm Page 19 Monday, June 23, 1997 11:05 AM
PAL Equations
The glue logic required for the Am186ES microcontroller-to-PCnet-ISA II
Ethernet controller interface is minimal. A total of eight inputs, six outputs, and a
CLK are required to complete the design and will actually fit in a smaller PAL16V8
device. Refer to Appendix D, “PAL Source File Listing” for the PAL22V10 source
file in PALASM format. Note that the input signal MCS0 is not required and is
connected only to allow you to "memory map" the PCnet-ISA II Ethernet controller
(versus mapping in I/O space).
1.0
The most complicated task is converting the signals available on the Am186ES
microcontroller to the ISA bus read/write logic required by the PCnet-ISA II
Ethernet controller. To allow 8-bit I/O cycles, SBHE (System Byte High Enable)
must be driven appropriately to the PCnet-ISA II Ethernet controller. In the case
of read operations, SBHE is asserted for both 8-bit and 16-bit operations. In the
case of write operations, SBHE is asserted only when the upper byte needs to be
written. This is the case for all word writes to even addresses and byte writes to
odd addresses. The ISA bus specification requires a 5-ns hold time from IOR/IOW
inactive to SBHE inactive. A digital one-shot implemented in the PAL device
extends SBHE from the Am186ES microcontroller to satisfy this requirement.
Unfortunately, the Am186ES microcontroller’s LCS signal, which would typically
drive the SRAM memory directly, does not three-state during a bus hold. Because
the PCnet-ISA II Ethernet controller must master the bus and DMA to and from
memory, RCS is created in the PAL device to drive the chip select on the RAM.
This signal is the logical OR of LCS and MASTER. When the PCnet-ISA II
Ethernet controller controls the bus, MASTER will assert, and the RAM chip select
will be continuously active.
The SRAM selected (Toshiba 256K x 16 or equivalent) requires a minimum write
pulse of 50 ns. The Am186ES microcontroller’s WR signal cannot be used directly
because it has a minimum pulse width of only 40 ns at 40 MHz. The PAL device
is used to combine WHB and WLB, generating the proper timing.
Net186TM Demonstration Board User’s Manual
2-19
net186about.book : net186ch2.fm Page 20 Monday, June 23, 1997 11:05 AM
Net186 Initialization Overview
When the Net186 demonstration board comes out of reset, both the Am186ES
microcontroller and the PCnet-ISA II Ethernet controller will go through an
initialization process. The Am186ES microcontroller will execute a program
resident in the Flash memory that initializes the various internal registers
(Peripheral Control Block) required to talk to peripherals. Specifically, the UCS,
LCS, PCS2, and PCS3 chip selects need to be programmed for the Flash memory,
SRAM, and PCnet-ISA II Ethernet controller, respectively. The following portion
of code demonstrates how the chip selects are set-up for the Net186 demonstration
board:
/* set /UCS to 512 KBytes beginning at 80000h, no wait states */
OutPortWord(UMCS, 0x803C) ;
/* set PIOs 18 and 19 (PCS2,3)to normal mode as Peripheral Chip Selects
*/
OutPortWord(PIO1_MODE,InPortWord(PIO1_MODE) & ~0x000C) ;
/* set PIOs 18 and 19 (PCS2,3)to normal mode as Peripheral Chip Selects
*/
OutPortWord(PIO1_DIR,InPortWord(PIO1_DIR) & ~0x000C) ;
/* Assert PCS in I/O space (vs Memory Mapped) */
OutPortWord(MPCS, 0x81B8) ;
/* Set base for PCS to 0x0000, external ready required, 3 wait states
minimum */
OutPortWord(PACS, 0x0073) ;
When this setup is complete, the Am186ES microcontroller can communicate with
the PCnet-ISA II Ethernet controller register set at any I/O address between 200h
and 3FFh. Note that where the PCnet-ISA II Ethernet controller is mapped depends
upon how it has been initialized.
2-20
Net186TM Demonstration Board User’s Manual
1.0
/* set /LCS to 512 KBytes ending at 7FFFFh, no wait states */
OutPortWord(LMCS, 0x7F3C) ;
net186about.book : net186ch2.fm Page 21 Monday, June 23, 1997 11:05 AM
On the Net186 demonstration board, the PCnet-ISA II Ethernet controller
initialization is executed by the preprogrammed EEPROM. Immediately following
reset, the contents of the EEPROM are automatically read into the PCnet-ISA II
Ethernet controller register set allowing the Am186ES microcontroller to
communicate to it. Refer to the Am79C961A PCnetTM-ISA II Jumperless, Full
Duplex Single-Chip Ethernet Controller for ISA Data Sheet, order #19364, for
details regarding the contents and arrangement of the EEPROM.
PCnet-ISA II Ethernet Controller Legacy Mode
The Am79C961A PCnet-ISA II Ethernet controller is designed so that it always
responds to Plug-and-Play (PnP) configuration software. Most embedded
networking applications, including the Net186 demonstration board, do not require
PnP. In fact, PnP can complicate software initialization. Fortunately, the PCnetISA II Ethernet controller features a Legacy mode that allows you to hard code the
resources (I/O port, DMA, IRQ, etc.) in the EEPROM. This allows the Am186ES
microcontroller to communicate to the PCnet-ISA II Ethernet controller
immediately following reset.
1.0
In Legacy mode, the Ethernet controller ignores the PnP software’s special
initiation key sequence (6A) and is visible in the I/O space. Only special setup
programs are able to reconfigure the Ethernet controller while in Legacy mode. If
the EEPROM is missing, empty, or corrupted, the Ethernet controller will still
recognize AMD’s special initiation key sequence (6B).
To enable Legacy mode, write a 1 to the LGCY_EN bit (bit 6) of PnP Register
0xF0. The preferred method for this is to set the LGCY_EN bit in the Vendor Byte
(PnP 0xF0) field of the EEPROM located in word offset 0x1A.
When written with a 1, the Ethernet controller will not respond to the PnP initiation
sequence (6A), but will respond to the AMD key sequence (6B); therefore, the
Ethernet controller cannot be reconfigured as PnP software.
When set to 0, the Ethernet controller will respond to the 6A key sequence if the
EEPROM read was successful; otherwise, it will respond to the 6B key sequence.
See the Am79C961A PCnetTM-ISA II Jumperless, Full Duplex Single-Chip
Ethernet Controller for ISA Data Sheet, order #19364, for a detailed description
of Legacy mode and the LGCY_EN bit.
Net186TM Demonstration Board User’s Manual
2-21
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Things to Remember
• Under normal operation, the PCnet-ISA II Ethernet controller has to reside
somewhere between address 200h and 3FFh for it to respond to I/O cycles. The
PCnet-ISA II Ethernet controller only decodes 10 address bits for I/O cycles
and 12 for PnP commands.
• The important PnP I/O ports are 279h, A79h, and 203h–3FFh. If the Net186
demonstration board is ever run without an EEPROM, these addresses must be
available to bring the device out of PnP isolation.
• With 512 Kbyte of Flash memory and 512 Kbyte of SRAM, the entire memory
addressing capability of the Net186 demonstration board is utilized. The
PCnet-ISA II Ethernet controller must be mapped to I/O space.
The logical place to map the PCnet-ISA II Ethernet controller is in I/O space
using PCS2 and PCS3. This provides the flexibility to map the device anywhere
between 200h and 3FFh and to run without an EEPROM if desired. The tradeoff
is giving up CTS and RTS flow control on the second serial port.
If an application required less Flash memory or SRAM, then the PCnet-ISA II
Ethernet controller could be memory mapped using one of the MCS signals.
This would allow you to recover CTS and RTS. This application is provided for
on the Net186 demonstration board by including MCS0 as an input to the PAL
device. By simply reprogramming the PAL device, the PCnet-ISA II Ethernet
controller could be memory mapped.
2-22
Net186TM Demonstration Board User’s Manual
1.0
• PCS2 and PCS3 assert at address 200h and 3FFh respectively. These pins are
used as CTS and RTS for serial port 1, thus preventing the use of hardware flow
control if the PCnet-ISA II Ethernet controller is mapped to I/O space. CTS and
RTS are routed to the driver for serial port 1, but are disabled on the production
Net186 demonstration boards by not stuffing the 0-ohm resistors at R3 and R4.
If the PCnet-ISA II Ethernet controller is memory mapped, thus not requiring
PCS2 and PCS3, then R3 and R4 could be stuffed.
net186about.book : net186ch3.fm Page 1 Monday, June 23, 1997 11:05 AM
Chapter 3
Product Support
This chapter provides information on:
• Reaching and using the AMD Corporate Applications technical support
services, on page 3-2
• Product information available through AMD’s WWW and FTP sites, on page 3-4
• Support tools for the E86 and PCnet families, on page 3-5
Note that AMD does not support source code changes to the E86MON software
or other demonstration software, and AMD does not support the running of the
E86MON software on demonstration boards other than the AMD SD186/SD188
family and the Net186 demonstration boards. The E86MON software and other
demonstration board source code is provided to customers “as is”.
1.0
Net186TM Demonstration Board User’s Manual
3-1
net186about.book : net186ch3.fm Page 2 Monday, June 23, 1997 11:05 AM
AMD Corporate Applications
Technical Support Services
Technical support for the E86 family of microcontrollers, corresponding support
products, and the PCnet family of products is available via e-mail, online (BBS
and WWW), and through telephone or fax.
E-Mail Support
Please include your name, company, telephone and fax numbers, AMD product
requiring support, and question or problem in all e-mail correspondence.
In the USA and Canada, send mail to:
[email protected]
In Europe and the UK, send mail to:
1.0
[email protected]
Online Support
AMD offers technical support on our WWW site and through our bulletin board
services. See “Product Support” on page 3-4 for more on what our WWW and FTP
sites have to offer.
WWW Technical Support
Go to AMD’s home page at http://www.amd.com and click on “Service” for the
latest AMD technical support phone numbers, software, and Frequently Asked
Questions.
Bulletin Board Support
3-2
Country
Number
USA and Canada
(408) 749-4659
UK and Europe
44-(0) 1276-803-211
Net186TM Demonstration Board User’s Manual
net186about.book : net186ch3.fm Page 3 Monday, June 23, 1997 11:05 AM
Telephone and Fax Support
Telephone assistance is available in the U.S. from 8:00 A.M. to 5:00 P.M. Pacific
time, Monday through Friday (except major holidays). In Europe, assistance is
available during U.K. business hours. Contact the hotlines at one of the following
telephone or fax numbers.
Direct Dial Numbers
Number
USA and Canada
Tel.: (408) 749-5703
Fax: (408) 749-4753
Japan
Tel.: (03) 3346-7550
Fax: (03) 3346-9828
Far East Asia
Fax: (852) 2956-0599
Germany
Tel.: 089 450 53199
UK and Europe
Tel.: 44-(0) 1276-803-299
Fax: 44-(0) 1276-803-298
1.0
Country
Toll-Free Numbers
Country
Number
USA and Canada
(800) 222-9323
France
0590-8621
Italy
1678-77224
Japan
0031-11-1163
Net186TM Demonstration Board User’s Manual
3-3
net186about.book : net186ch3.fm Page 4 Monday, June 23, 1997 11:05 AM
Product Support
AMD’s WWW and FTP sites are described below. Questions, requests, and input
concerning these sites can be sent via e-mail to [email protected].
WWW Site
A subset of the AMD WWW pages, the embedded processor and networking
product pages are frequently updated and include general product information,
technical documentation, and support and tool information. To access these pages,
go to the AMD home page at http://www.amd.com and click on “Embedded
Processors” or “Networking”. You can also access the pages directly at http://
www.amd-embedded.com or www.amd.com/products/npd/npd.html.
• “What’s New” announces new E86 or PCnet family products, and highlights
new applications using our products.
• “Product Overviews” briefly describes all the products in the E86 and PCnet
families, and describes how these parts are ideal in specific focus markets.
• “Support and Tools” provides information about the tools that support our
products, and offers online benchmarking tools.
• “Technical Documentation” provides the Available Literature List of datasheets,
application notes, user’s manuals, and promotional literature, and describes how
to order these documents. Many are also available online in PDF form. (To
access the Literature Ordering Center via telephone, call one of the numbers
listed on the back cover of your manual.)
The “Embedded Processors” page also includes a link under “Support and Tools”
called “Demo Board Updates” which provides access to the AMD FTP site where
the latest E86MON software releases are available.
3-4
Net186TM Demonstration Board User’s Manual
1.0
The “Embedded Processors” and “Networking” home pages are divided into four
sections:
net186about.book : net186ch3.fm Page 5 Monday, June 23, 1997 11:05 AM
FTP Site
In addition to the documentation on our WWW pages, AMD provides software
through an anonymous FTP site. To download the software, ftp to ftp.amd.com
and log on as “anonymous” using your e-mail address as a password. Or via your
web browser, go to ftp://ftp.amd.com. Software relating to the embedded
processor and networking products can be found in the /pub/epd/e86/ or /pub/
npd/software/directories.
Third-Party Development Support Products
The FusionE86SM Program of Partnerships for Application Solutions provides the
customer with an array of products designed to meet critical time-to-market needs.
Products and solutions available from the AMD FusionE86 partners include emulators,
hardware and software debuggers, board-level products, and software development
tools, among others. The FusionE86SM Catalog, order #19255, and the
FusionE86SM CD, order #21058 describe these solutions.
1.0
In addition, mature development tools and applications for the x86 platform are
widely available in the general marketplace.
Net186TM Demonstration Board User’s Manual
3-5
net186about.book : 186appa.fm Page 1 Monday, June 23, 1997 11:05 AM
Appendix A
Schematics and Board Bill of
Materials
This appendix contains schematics for the Net186 demonstration board
components (see page A-2) and the bill of materials (see page A-12).
1.0
Net186TM Demonstration Board User’s Manual
A-1
net186about.book : 186appa.fm Page 2 Monday, June 23, 1997 11:05 AM
Schematics
The Net186 demonstration board schematics have been blocked out to isolate
functionality of the design onto separate pages as follows:
• Page A-3 contains the top level interconnect signals and the PAL22V10.
• Page A-4 contains the PCnet-ISA II Ethernet controller.
• Page A-5 contains the 10BASE-T interface and EEPROM.
• Page A-6 contains various signal pull-ups and pull-downs, including the reset
board ID.
• Page A-7 contains the Am186ES microcontroller.
• Page A-8 contains the RS-232 interfaces.
• Page A-9 contains the processor LEDS (CR5-CR12), the SRAM, and the Flash
memory.
• Page A-11 contains the reset circuit and switch and the power supply decoupling
caps.
These schematics and design are subject to change.
A-2
Net186TM Demonstration Board User’s Manual
1.0
• Page A-10 contains the Am186 expansion interface.
CPU/Memory
Subsection
Ethernet
Subsection
MA[19:0]
MA[19:0]
MA[19:0]
D[15:0]
D[15:0]
ALE
D[15:0]
ALE
RD
RD
AEN
AEN
WR
WR
RD
RD
WLB
WLB
WR
WR
WHB
WHB
IOCHRDY
IOCHRDY
BHE
BHE
DRQ_ENET
DRQ_ENET
AEN
AEN
DACK_ENET
DACK_ENET
MCS0
MASTER
MASTER
LCS
MEMW
MEMW
PCS2
PCS2
SBHE
SBHE
PCS3
PCS3
ALE
ALE
CS_SRAM
IRQ_ENET
IRQ_ENET
DRQ_ENET
SHFBUSY
SHFBUSY
HLDA
RESET
RESET
CS_SRAM
DRQ_ENET
HLDA
IOCHRDY
IOCHRDY
SHFBUSY
SHFBUSY
IRQ_ENET
RESET
IRQ_ENET
RESET
SBHE
SBHE
MEMW
MEMW
RCLKOUTA
RCLKOUTA
VDD
2
R28
10K
5%
1
U2
RCLKOUTA
2
I0
MASTER
3
I1
LCS
4
I2
HLDA
5
I3
BHE
6
WLB
WHB
VDD;28
LCS
IO0
17
IO1
18
IO2
19
IO3
20 AEN
I4
IO4
21
7
I5
IO5
23
9
I6
IO6
24 SBHE
MCS0
10
I7
IO7
25 DACK_ENET
PCS2
11
I8
IO8
26 MEMW
PCS3
12
I9
IO9
27 CS_SRAM
PU_PAL
13
I10 I11
GND;14
MCS0
16
ADVANCED MICRO DEVICES
COPYRIGHT 1995 AMD
PAL22V10
SCHEMATIC
APPROVED
BY:
SIZE DATE
MODULE
Net186
DRAWN BY
$1I173
DIAGRAM
DATE
Top
Sean
Level
Michaud
C
DWG. NO.
REV
04/14/97
ENGINEERMark Bowers SHEET 1 OF 9
Rick
Purvis
C
113
AVDD1
AVDD2
118
VDD
98
103
AVDD3
AVDD4
123 LED1
121 LED2
120 LED3
MA0
124 LED0
LED0
LED1
LED2
LED3
MA1
21
SA0
MA2
22
SA1
MA3
23
SA2
MA4
25
SA3
MA5
26
SA4
MA6
27
SA5
MA7
28
SA6
MA8
29
SA7
MA9
30
SA8
MA10
31
SA9
MA11
33
SA10
MA12
34
SA11
MA13
39
SA12
MA14
40
SA13
MA15
41
SA14
MA16
42
SA15
MA17
44
SA16
MA18
45
SA17
MA19
SA19
SA18
11
13
46
58
IOCS16
RD
67
IOR
WR
68
IOW
54
IRQ12/FLASHWE
55
IRQ11
57
IRQ10
69
IRQ9
62
IRQ5
61
IRQ4
IRQ_ENET 60
IRQ3
U7
PCnetISA
51
MEMR
MEMW
50
MEMW
REF
63
RESET
70
RESET
SBHE
19
SBHE
BPCS
IRQ15/APCS
53
VDD
136
PRDB4
PRDB3
131
129
PRDB5
PRDB6
128
PRDB7
127
126
TDI
TCK
141
138
TMS
140
TDO
139
EESK/PRDB0
EEDI/PRDB1
EECS
EECS 137
EESK 134
EEDI 133
EEDO/PRDB2
EEDO 132
SD0
76
D0
SD1
78
D1
SD2
81
D2
SD3
83
D3
SD4
86
D4
SD5
88
D5
SD6
91
D6
SD7
SD8
77
93
D7
D8
SD9
SD10
82
79
D9
D10
SD11
SD12
87
84
D11
D[15:0]
D15
94
SHFBUSY
D12
SLEEP
SD13
75
SD14
SLEEP
92
BALE
D14
59
SD15
REF
BALE
116
DI+
115
DI-
114
DO+
112
DO-
111
AVSS
R1
5
1/8W
II
MASTER
RD
117
CI-
XTAL1
104 X1_ENET
XTAL2
106 X2_ENET
RXD+
97
RXD+
RXD-
96
RXD-
TXD+
102 TXD+
TXD-
100 TXD-
TXPD+
101 TXPD+
TXPD-
99
AVSS1
IOCS16
AVSS 110
IOCHRDY
SHFBUSY 135
12
47
49
3
14
16
DRQ3
CI+
22UF
16
2
TXPD-
AVSS2
DRQ5
C1
0.1UF
105
DRQ6
6
1
C59
2
IOCHRDY
MASTER
1
119
DRQ7
5
DRQ_ENET 65
17
DACK3
89
4
VDD
DXCVR/EAR
D13
DACK_ENET66
LA17
DACK5
LA18
DACK6
10
LA19
DACK7
9
LA20
AEN
8
LA21
18
48
LA22
ENET_PU
LA23
AEN
MA[19:0]
ADVANCED MICRO DEVICES
COPYRIGHT 1995 AMD
SCHEMATIC
APPROVED
BY:
SIZE DATE
MODULE
PCNetISA
DRAWN BY
DIAGRAM
DATE
II
Sean
Michaud
C
DWG. NO.
04/14/97
ENGINEER
REV
C
SHEET
2 of 9
T1
FILTER
TXD+
1
TXPD+
2
J5
LPF
20
TO+
19
TO-
1
2
3
4
5
6
7
8
5
TXD-
3
TXPD-
4
RXD+
7
LPF
5
LPF
12
RI+
11
RI-
1
2
3
4
5
6
7
8
10
8
10
RXD-
9
LPF
1
1
1
PE68068T
C61
C62
0.1UF
C60
0.1UF
0.1UF
2
2
2
VDD
VDD
U3
X1_ENET
1
CATH
DI
EEDO
4
DO
EECS
1
CS
EESK
2
EEDI
3
DI
EEDO
4
DO
EECS
1
CS
EESK
2
ORG 6
SK
3
3
3
3
3
GREEN
RED
CR4
1
2
CATH
GREEN
RED
CR3
1
2
CATH
GREEN
RED
CR2
1
2
CATH
2
GREEN
CR1
RED
20MHZ
1
2
Y2
EEDI
X2_ENET
33PF
2
R43
R42
330
1/8W
330
1/8W
330
1/8W
VDD
U1
LED0
C35
33PF
R41
330
1/8W
LED1
C36
R40
LED2
2
1
LED3
1
ORG 6
SK
ADVANCED MICRO DEVICES
COPYRIGHT 1995 AMD
SCHEMATIC
APPROVED
BY:
SIZE DATE
MODULE
Ethernet
DRAWN BY
DIAGRAM
DATE
Support
Sean
Michaud
C
DWG. NO.
REV
04/14/97
ENGINEER
C
SHEET
3
OF
9
VDD
R44
2.2K
1/8W
VDD
SLEEP
2
2
R63
10K
5%
VDD
2
R51
10K
5%
2
R45
10K
5%
R46
10K
5%
1
1
1
1
2
2
2
2
D15
D14
2
2
1
2
R9
10K
5%
R7
10K
5%
1
2
R8
10K
5%
1
2
1
D13
2
R10
10K
5%
R6
10K
5%
1
R27
10K
5%
D12
1
IOCHRDY
IOCS16
SHFBUSY
REF
R64
10K
5%
ENET_PU
R65
10K
5%
R67
10K
5%
R66
10K
5%
ALE
1
1
1
1
VDD
D11
D10
D9
2
R14
10K
5%
1
2
R12
10K
5%
1
2
R15
10K
5%
1
2
R11
10K
5%
1
2
R16
10K
5%
1
2
D8
R68
10K
5%
1
MASTER
ADVANCED MICRO DEVICES
COPYRIGHT 1995 AMD
MEMW
IRQ_ENET
SBHE
SCHEMATIC
APPROVED
BY:
DIAGRAM
DATE
RD
DRQ_ENET
SIZE DATE
MODULE
Ethernet
DRAWN BY
Pullup
Sean
Resistors
Michaud
C
DWG. NO.
REV
04/14/97
ENGINEER
C
SHEET
4
OF
9
63 MA0
62 MA1
60 MA2
59 MA3
58 MA4
57 MA5
56 MA6
54 MA8
55 MA7
53 MA9
52 MA10
51 MA11
50 MA12
49 MA13
48 MA14
47 MA15
46 MA16
45 MA17
43 MA18
42 MA19
MA[19:0]
CLK_40MHZ
R50
RCLKOUTA
40
CLKOUTB
RES
94
RESET
INT4/PIO30
75
INT4
INT3/INTA1/IRQ
76
INT3
INT2/INTA0/PWD/PIO31
77
INT2
INT1/SELECT
78
INT1
INT0
79
IRQ_ENET
C34
NMI
70
NMI
22PF
16V
U10
S6
19
S6/LOCK/CLKDIV2/PIO29
UZI
20
UZI/PIO26
ALE
30
ALE
S2
32
S1
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
CLKOUTA
CLKOUTB
A11
39
A12
CLK_40MHZ
A13
X2
A14
37
A15
X2
A16
X1
A17/PIO7
36
A18/PIO8
X1
A19/PIO9
33
R49
CLKOUTB
1
82
PCS6
PCS5/A1/PIO3
83
PCS5
S2
PCS3/RTS1/RTR1/PIO19
85
PCS3
33
S1
PCS2/CTS1/ENRX1/PIO18
86
PCS2
S0
34
S0
PCS1/PIO17
88
PCS1
DRQ_ENET
68
HOLD
PCS0/PIO16
89
PCS0
HLDA
67
HLDA
LCS/ONCE0
81
LCS
RD
29
RD
MCS3/RFSH/PIO25
92
MCS3
WR
28
WR
MCS2/PIO24
91
MCS2
DT/R
71
DT/R/PIO4
MCS1/PIO15
74
MCS1
DEN
72
DEN/DS/PIO5
MCS0/PIO14
73
MCS0
IOCHRDY
31
ARDY
UCS/ONCE1
80
CS_FLASH
SRDY
69
SRDY/PIO6
BHE
27
BHE/ADEN
DRQ1/INT6/PIO13
99
DRQ1
WHB
65
WHB
DRQ0/INT5/PIO12
100
DRQ0
WLB
66
WLB
23
CTS0
RTS0/RTR0/PIO20
26
RTS0
C39
25
TXD0
15PF
TXD0/PIO22
RXD0/PIO23
24
RXD0
RXD1
22
RXD1
TXD1
21
TXD1
SIGNAL=VDD;15,38,44,61,84,90
SIGNAL=GND;12,35,41,64,87,93
IC
AM186ES
SQFP100
D[15:0]
22PF
16V
2
X1
1
Y1
40MHZ
AD0
AD1
X2
1
1
2
C38
22PF
2
1
3
AD3
AD2
5
7
AD4
9
D4
D0
D1
D2
ADVANCED MICRO DEVICES
COPYRIGHT 1995 AMD
D3
AD5
11
D5
AD6
14
D6
AD8
AD9
AD7
17
D7
8
D11
2
10
D12
4
13
D13
D8
16
D14
D9
18
D15
AD10
TMROUT1/PIO1
6
96
D10
TMRIN1/PIO0
TMROUT1
AD11
95
AD12
TMRIN1
AD13
TMROUT0/PIO10
AD14
TMRIN0/PIO11
97
AD15
98
C33
2
CTS0/ENRX0/PIO21
TMROUT0
1
2
PCS6/A2/PIO2
TMRIN0
RCLKOUTB
33
SCHEMATIC
APPROVED
BY:
SIZE DATE
MODULE
186ES
DRAWN BY
DIAGRAM
DATE
CPU
Subsystem
Sean
Michaud
C
DWG. NO.
REV
04/14/97
ENGINEER
C
SHEET
5
of
9
J2
R34
1
TXD0
2
9 9
8 8
U6
1/8W
11 T1IN
10 T2IN
TXD0T
R35
1
RTS0
2
RTS0T
1/8W
R36
1
RXD0
12 R1OUT
9 R2OUT
RXD0T
CTS0T
2
T1OUT 14
T2OUT 7
7 7
6 6
5 5
4 4
R1IN 13
R2IN 8
VDD
1/8W
R37
1
CTS0
1 C1+
3 C1-
2
1/8W
1
C28
1
C27
22PF
16V
2
1
C25
V- 6
1
R47
C23
0.1UF
22PF
16V
2
22PF
16V
C20
0.1UF
0.1UF
2
1
33
0.1UF
2
2
1
C19
1 1
C22
2
RESET
1
C26
22PF
16V
2
V+ 2
4 C2+
5 C21
1
3 3
2 2
R52
CR13
GREEN
CATH
3
RED
390
MAX232
2
2
2
J3
R31
10K
5%
1
11 T1IN
10 T2IN
TXD1T
PCS3T
R2
1
TXD1
12 R1OUT
9 R2OUT
RXD1T
R3
1
R5
1
PCS2T
1 C1+
3 C1-
DO NOT
POPULATE
2
R4
3 3
2 2
1
V+ 2
4 C2+
5 C21
1
R1IN 13
R2IN 8
1
R48
C18
V- 6
C21
0.1UF
2
2
1
DO NOT
POPULATE
2
C17
C16
0.1UF
0.1UF
1
33
0.1UF
2
2
0 OHMS
1/8W
1 1
VDD
0 OHMS
1/8W
PCS2
5 5
4 4
2
0 OHMS
1/8W
RXD1
7 7
6 6
T1OUT 14
T2OUT 7
2
0 OHMS
1/8W
PCS3
9 9
8 8
U5
RESET
R53
CR15
GREEN
CATH
3
RED
390
MAX232
2
ADVANCED MICRO DEVICES
COPYRIGHT 1995 AMD
1
2
1
1
1
C31
C32
C30
C29
22PF
16V
22PF
16V
22PF
16V
22PF
16V
2
2
SCHEMATIC
APPROVED
BY:
2
SIZE DATE
MODULE
186ES
DO NOT
POPULATE
DIAGRAM
DATE
Memory
Section
Sean
Michaud
C
DWG. NO.
REV
04/14/97
C
DO NOT
POPULATE
DRAWN BY
ENGINEER
SHEET
7
of
9
VDD
U11
TMROUT0
CR5
R61
3
GREEN
CATH
RED
330
1/8W
1
MA1
2
MA2
MA3
MA4
SRDY
CR6
R60
3
GREEN
CATH
RED
330
1/8W
MA5
1
MA6
2
MA7
MA8
MA9
DEN
CR7
R58
3
GREEN
CATH
RED
330
1/8W
MA10
1
MA11
2
MA12
MA13
MA14
DT/R
CR8
R59
3
CR9
R57
3
GREEN
CATH
RED
330
1/8W
PCS6
CATH
RED
330
1/8W
PCS5
GREEN
CR10
R56
3
GREEN
CATH
RED
330
1/8W
MA15
1
MA16
2
MA1
D14
MA2
23 A2
22 A3
DQ13 41
DQ12 39
D13
MA3
D12
MA4
21 A4
20 A5
DQ11 36
DQ10 34
D11
MA5
D10
MA6
19 A6
18 A7
DQ9 32
DQ8 30
D9
MA7
D8
MA8
8 A8
7 A9
DQ7 44
DQ6 42
D7
MA9
D6
MA10
6 A10
5 A11
DQ5 40
DQ4 38
D5
MA11
D4
MA12
4 A12
3 A13
DQ3 35
DQ2 33
D3
MA13
D2
MA14
2 A14
1 A15
DQ1 31
DQ0 29
D1
MA15
D0
MA16
MA19
16 A18
CE_FLASH
RD
26 CE
28 OE
WR
11 WE
5 A0
4 A1
IO16 6
IO15 7
D15
3 A2
2 A3
IO14 10
IO13 11
D13
54 A4
53 A5
IO12 16
IO11 17
D11
52 A6
51 A7
IO10 20
IO9 21
D9
33 A8
32 A9
IO8 34
IO7 35
D7
31 A10
30 A11
IO6 38
IO5 39
D5
29 A12
27 A13
IO4 44
IO3 45
D3
26 A14
25 A15
IO2 48
IO1 49
D1
D14
D12
D10
D8
D6
D4
D2
D0
24 A16
23 A17
MA17
MA18
1
2
RESET 12
RY/BY 15
BYTE 47
RESET
CS_SRAM
RD
BYTE
MA0
12 UB
43 LB
MEMW
15 R/W
SBHE
1
13 CE
42 OE
OP1 14
OP2 41
2
29F400
SRAM
R38
0
CR11
R54
3
GREEN
CATH
RED
330
1/8W
TMRIN1
D15
MA18
NOTE:
TMROUT1
DQ15/A-1 45
DQ14 43
48 A16
17 A17
MA17
U9
25 A0
24 A1
CR12
R55
3
GREEN
CATH
RED
330
1/8W
A18
is
included
to
allow
29F800
1
2
1
2
ADVANCED MICRO DEVICES
COPYRIGHT 1995 AMD
VDD
SCHEMATIC
2
APPROVED
R39
10K
5%
1
SW2
CS_FLASH
CE_FLASH
DIAGRAM
DATE
SIZE DATE
MODULE
1
3
FLASHCS
BY:
186ES
Memory
Section
DRAWN BY
Sean
Michaud
C
DWG. NO.
REV
04/14/97
C
2
ENGINEER
SHEET 6 of 9
VDD
INT1
INT2
1 B1
A1 2
3 B2
A2 4
D7
5 B3
A3 6
D6
7 B4
A4 8
D5
9 B5
A5 10
D4
TMRIN0
11 B6
A6 12
D3
TMRIN1
13 B7
A7 14
D2
TMROUT1
15 B8
A8 16
D1
CS_FLASH
17 B9
A9 18
D0
LCS
19 B10
A10 20
IOCHRDY
WR
21 B11
A11 22
SRDY
RD
23 B12
A12 24
MA19
UZI
25 B13
A13 26
MA18
MCS3
27 B14
A14 28
MA17
MCS2
29 B15
A15 30
MA16
MCS1
31 B16
A16 32
MA15
MCS0
33 B17
A17 34
MA14
35 B18
A18 36
MA13
RTS0
37 B19
A19 38
MA12
TXD0
39 B20
A20 40
MA11
RXD0
41 B21
A21 42
MA10
CTS0
43 B22
A22 44
MA9
NMI
45 B23
A23 46
MA8
INT4
47 B24
A24 48
MA7
INT3
49 B25
A25 50
MA6
HLDA
51 B26
A26 52
MA5
WLB
53 B27
A27 54
MA4
ALE
55 B28
A28 56
MA3
57 B29
A29 58
MA2
59 B30
A30 60
MA1
61 B31
A31 62
MA0
63 B32
A32 64
INT3
RESET
VDD
INT4
TMROUT0
2
2
2
R24
R25
10K
5%
10K
5%
1
1
2
R26
10K
5%
1
R23
10K
5%
1
1 D0
C0 2
DRQ_ENET
3 D1
C1 4
BHE
S6
5 D2
C2 6
PCS6
INT2
7 D3
C3 8
PCS5
INT1
9 D4
C4 10
PCS3
11 D5
C5 12
PCS2
13 D6
C6 14
PCS1
15 D7
C7 16
PCS0
DRQ1
17 D8
C8 18
DRQ0
19 D9
C9 20
IRQ_ENET
DRQ0
RCLKOUTA
21 D10
C10 22
RCLKOUTB
23 D11
C11 24
D8
S2
25 D12
C12 26
D9
S1
27 D13
C13 28
D10
S0
29 D14
C14 30
D11
DT/R
31 D15
C15 32
DRQ1
NMI
2
2
R22
R21
10K
5%
10K
5%
1
1
2
R20
10K
5%
DEN
1
D12
33 D16
C16 34
D13
35 D17
C17 36
D14
37 D18
C18 38
D15
39 D19
C19 40
FLASHCS
P2
WHB
VDD
J1
VDD
1 1
2 2
2
2
R17
R18
10K
5%
10K
5%
1
1
2
R19
10K
5%
1
2
2
R29
R30
10K
5%
10K
5%
1
1
2
P1
3 3
R13
10K
5%
ADVANCED MICRO DEVICES
COPYRIGHT 1995 AMD
1
WLB
WHB
SCHEMATIC
APPROVED
BY:
DIAGRAM
DATE
SRDY
BYTE
SIZE DATE
MODULE
Expansion
Headers
C
DWG. NO.
REV
04/14/97
C
WR
BHE
DRAWN BY
Sean
Michaud
ENGINEER
SHEET 8 of 9
VDD
VDD
1
1
1
1
1
1
1
1
1
1
1
C3
C4
C5
C6
C44
C43
C47
C46
C40
C2
0.01UF
0.01UF
0.01UF
0.01UF
0.01UF
0.01UF
0.01UF
0.01UF
22UF
16
22UF
16
2
2
2
2
2
2
2
2
2
C37
22UF
16
2
2
VDD
1
1
C8
0.01UF
2
1
C10
0.01UF
2
1
1
C9
0.01UF
2
1
1
C7
0.01UF
2
1
1
C41
0.01UF
2
1
1
C48
0.01UF
2
1
1
C49
0.01UF
2
1
2
C50
R62
0.01UF
100K
1/8W
2
1
VDD
VDD
VDD
R32
10K
5%
U4
1
1
1
1
2
7 SENSE
2 RESIN
VCC
8
RST
6
RESET
3 CT
4 GND
RST
5
RESET
REF
1
1
2
1
R33
C15
C14
C13
C11
C45
C51
C42
C52
0.01UF
0.01UF
0.01UF
0.01UF
0.01UF
0.01UF
0.01UF
0.01UF
2
2
1
2
2
1
2
1
2
2
1
1
2
C55
C53
C56
C58
C57
0.01UF
0.01UF
0.01UF
0.01UF
0.01UF
0.01UF
2
2
2
10K
5%
0.1UF
2
2
1
1
C54
2
3
2
C24
1.0UF
16V
SW1
C12
ADVANCED MICRO DEVICES
COPYRIGHT 1995 AMD
2
SCHEMATIC
APPROVED
BY:
SIZE DATE
MODULE
Bypass
DRAWN BY
DIAGRAM
DATE
Capacitors
Sean
Michaud
C
DWG. NO.
REV
04/14/97
ENGINEER
C
SHEET
9
of
9
net186about.book : 186appa.fm Page 12 Monday, June 23, 1997 11:05 AM
Board Bill of Materials (BOM)
Table A-1. Net186 Demonstration Board BOM
Ref
Description
MFG1
4
C1, C2, C37, C40
22 MFd, SMT, C case, 20 V
Any
30
C3–C14, C41–C58
0.01 MFd, SMT, 16 V
Any
1
C15
1.0 MFd, SMT, 16 V
Any
13
C16–C24, C59–
C62
0.1 MFd, SMT, 20 V
Any
10
C25–C34
22 PFd, SMT, 16 V
Any
2
C35, C361
33 PFd, SMT, 16 V
Any
2
C38, C39
15 PFd, SMT, 16 V
Any
14
CR1–CR14
LED, 3-pin, SMT
LUMEX
SSL-LX15IGC-RP-TR
1
J1
Power jack, 5.5 mm, RA
Switchcraft
RAPC-712
2
J2, J3
DB9 right-angle connector, front
metal-shell
AMP
787844-1
1
J5
RJ-45 connector
1
P1
Am186 Conn, 64-pin header
Any
1
P2
Am186 Conn, 40-pin header
Any
1
R1
5 Ω, 5%
Any
4
R2–R5
0 Ω, 5%
Any
28
R6–R33, R45, R46,
R51, R63–R67
10 kΩ, 5%
Any
5
R34–R38
0 Ω, 5%
Any
4
R40–R43
330 Ω, 5%
Any
1
R44
2.2 kΩ, 5%
Any
4
R47–R50
33 Ω, 5%
Any
2
R52, R53
390 Ω, 5%
Any
8
R54–R61
330 Ω, 5%
Any
1
R62
100 kΩ, 5%
Any
1
SW1
Reset switch, (SMT-J lead)
C&K
KT11P3JM
1
T1
10BASE-T filter and transformer
Pulse
Engineering
PE68068T
A-12
Net186TM Demonstration Board User’s Manual
Part No 1
1.0
Qty
net186about.book : 186appa.fm Page 13 Monday, June 23, 1997 11:05 AM
Qty
Ref
Description
MFG1
Part No 1
1
U1
128 x 16 EEPROM
National
NM93C56N
1
U2
22V10 PAL
AMD
PALCE22V10H-7JC/5
1
U3
128 x 16 EEPROM
National
NM93C56N
1
U4
Reset controller, SMT
TI
TL7705ACD
2
U5, U6
RS-232 driver, narrow SMT
Maxim
MAX232ACSE
1
U7
PCnet-ISA II Ethernet Controller
AMD
Am79C961AVC\W
1
U9
256K x 16 SRAM (SMT)
Toshiba
TC514161
1
U10
Am186ES microcontroller
AMD
Am186ES-40VC\W
1
U11
512K x 16 Flash memory (SMT)
AMD
Am29F400AT-70EC
1
Y1
40.0-MHz quartz crystal, 16 pF
Epson
MA-306
1
Y2
20.0-MHz quartz crystal, 16 pF
Epson
MA-306
1.0
Net186TM Demonstration Board User’s Manual
A-13
net186about.book : 186appb.fm Page 1 Monday, June 23, 1997 11:05 AM
Appendix B
PCnet Family History
The following is a brief discussion/history of the LANCE (Local Area Network
Controller for Ethernet) and the subsequent family of integrated single-chip
Ethernet controllers that followed based on the LANCE/CLANCE (CMOS Local
Area Network Controller for Ethernet) architecture called the PCnet Family.
The PCnet Family of single-chip Ethernet controllers is based on the original
Am7990 LANCE bus mastering architecture. The original LANCE controller was
introduced in 1985. Its architecture is the basis for AMD’s PCnet Family of highly
integrated single-chip Ethernet controllers. The one Ethernet controller that is the
exception is the Am79C940 MACE (Media Access Controller for Ethernet). The
original LANCE, the PCnet family, and MACE are described below.
1.0
For more information about members of AMD’s family of Ethernet controllers,
refer to the AMD Networking Products Guide CD, order #21244, included in your
kit.
LANCE / CLANCE
The LANCE (Am7990) was a standalone Media Access Controller (MAC). It had
no PHY layer logic. This means it had no integrated Manchester Encoder/Decoder
(ENDEC) nor did it have an integrated 10BASE-T transceiver (TMAU). In 1992,
AMD refabricated the NMOS LANCE to produce a CMOS LANCE called the
C-LANCE (Am79C90). Though the internal architecture of the CLANCE is a little
different than the internal architecture of the LANCE, to the user/programmer, the
architecture of the CLANCE is exactly the same as the LANCE. This means that
whatever software suites were developed for the LANCE can also be used with
the Am79C90 CLANCE without changing any of the original Am7990 LANCE
software code. Thus, whenever the name CLANCE is used, it is really the original
LANCE Ethernet media access controller fabricated using CMOS technology. The
CLANCE is pin compatible to the LANCE and like the LANCE, CLANCE is also
a bus-mastering Ethernet controller.
AMD still offers the CLANCE (Am79C90) Ethernet controller. The original
LANCE architecture is as popular today as it was when it was first introduced over
a decade ago.
Net186TM Demonstration Board User’s Manual
B-1
net186about.book : 186appb.fm Page 2 Monday, June 23, 1997 11:05 AM
PCnet Family of Ethernet Controllers
There is a series of four basic sets of PCnet family Ethernet controllers. You can
tell which bus environment a particular PCnet Ethernet controller was designed
for by its name, as described in the following sections.
PCnet-ISA Series (16-Bit) for ISA/EISA-Based
Environments
PCnet-ISA (Am79C960) was AMD’s first PCnet Ethernet controller introduced in
1992. This particular product won the 1992 Award from PC Magazine and was
described as “The year’s most technically innovative connectivity product brings
networking to the masses.”
PCnet-ISA+ (Am79C961) was the next PCnet-ISA member introduced in 1993,
and was not pin compatible to the PCnet-ISA. Compared to the PCnet-ISA, the
PCnet-ISA+ was jumperless and was compliant to Microsoft’s Plug and Play
specifications for ISA.
B-2
Net186TM Demonstration Board User’s Manual
1.0
During the last half of the 1980s, AMD embarked on a program to produce highly
integrated single-chip Ethernet controllers based exclusively on the original
LANCE/CLANCE architecture; that is, an Ethernet controller chip with integrated
MAC/ENDEC/TMAU (Media Access Control/Encoder-Decoder/10BASE-T
Media Access Unit). In addition, it was decided to integrate the bus interface logic
on board the chip. The idea of maintaining architecture compatibility with the
original LANCE/CLANCE Ethernet controllers was done to ensure software
compatibility. AMD realized that there was a very large base of LANCE/CLANCE
users who did not want to rewrite their LANCE-based software code. The inclusion
of a bus interface logic on board the chip was done to provide easy, painless direct
connections, without additional hardware glue logic, to most popular standard
buses. These buses included ISA, EISA, VL and PCI buses. AMD now has a series
of single-chip Ethernet controllers, collectively called the PCnet family of Ethernet
controllers.
net186about.book : 186appb.fm Page 3 Monday, June 23, 1997 11:05 AM
PCnet-ISA II (Am79C961A) is the last member of the PCnet-ISA series introduced
in 1994. This device is pin compatible to the PCnet-ISA+. Like the PCnet-ISA+,
this device is jumperless and is compliant to Microsoft’s Plug and Play
specifications for ISA. Additionally, PCnet-ISA II is full-duplex capable. This
means it can transmit and receive data at the same time over its 10BASE-T twisted
pair port. Full-duplex gives PCnet-ISA II the capability of bidirectional data
transfer rate of up to 20 Mbit/s combined. PCnet-ISA II also has a feature unique
to AMD’s Ethernet controllers, Magic PacketTM Technology. Created in
collaboration with Hewlett-Packard, Magic Packet Technology allows you to
remotely wake up a sleeping PC or any piece of equipment on a network.
Today, only the PCnet-ISA II (Am79C961A) is available and is featured on the
Net186 standalone demonstration board. The PCnet-ISA (Am79C960) and the
PCnet-ISA+ (Am79C961) are no longer offered.
PCnet-32 (32-Bit) for VL or General 32-Bit Local-Bus Based
Environments
1.0
PCnet-32 (Am79C965) was introduced in 1993. While it appears to be made
specifically for the VL bus, PCnet-32 is really a general 32-bit Ethernet controller.
However, this device does not support full-duplex or Magic Packet Technology. It
is well suited for general 32-bit embedded networking applications, and in
particular, high-end routers. The PCnet-32 also interfaces very well to an 80486.
PCnet-PCI II (32-Bit) for PCI-Based Environments
PCnet-PCI II (Am79C970A) was introduced in 1995 and is a 32-bit Ethernet
controller designed for use in PCI bus based environments. The PCnet-PCI II has
a General Purpose Serial Interface (GPSI) enabling you to bypass the ENDEC &
TMAU and connect directly to the MAC, External Address Detection Interface
(EADI), bigger FIFOs, and full-duplex capability. PCnet-PCI was introduced in
1993. While AMD no longer offers the PCnet-PCI (Am79C970), software drivers
written for the PCnet-PCI can also be used on the PCnet-PCI II. Like the PCnetISA II, PCnet-PCI II also has Magic Packet Technology to remotely wake up a
sleeping PC or any piece of equipment on a network.
Net186TM Demonstration Board User’s Manual
B-3
net186about.book : 186appb.fm Page 4 Monday, June 23, 1997 11:05 AM
PCnet-FAST (32-Bit) for PCI-Based Environments
PCnet-FAST (Am79C971) was introduced in June 1996 and is AMD’s latest PCnet
family member introduced to address the growing need for 100 Mbit/s fast Ethernet
capability. PCnet-FAST is capable of operating as a 10-Mbit/s Ethernet controller
as well. Like PCnet-ISA II and PCnet-PCI II, PCnet-FAST is full-duplex capable
and also has Magic Packet Technology.
Software Compatibility
1.0
The PCnet family of Ethernet controllers (PCnet-ISA II, PCnet-32, PCnet-PCI II
and PCnet-FAST) is LANCE/CLANCE software compatible. This means you can
use the original 16-bit LANCE/CLANCE software on the above members of the
PCnet family of single-chip Ethernet controllers. It is this software compatibility
that is the PCnet family’s biggest value proposition. You have an upgrade path
from the popular standalone LANCE/CLANCE MAC to a highly integrated,
single-chip solution whose architecture is compatible to the LANCE/CLANCE.
B-4
Net186TM Demonstration Board User’s Manual
net186about.book : 186appb.fm Page 5 Monday, June 23, 1997 11:05 AM
MACE (16-Bit) for General 16-Bit
Environments
AMD offers another single-chip Ethernet controller device that is not a member
of the PCnet Family. This Ethernet controller is called the Media Access Controller
for Ethernet (MACE Am79C940). The name implies a standalone MAC, which it
is not. Think of the PCnet-ISA II Ethernet controller without the ISA bus interface
logic, LANCE DMA controller, and buffer memory management unit: a 16-bit,
general purpose, busless, single-chip Ethernet controller. Unlike the members of
the PCnet family, which are bus-mastering devices, the MACE is a bus-slave
Ethernet controller device.
Because the MACE does not have the same architecture as the LANCE/CLANCE,
software originally developed for the LANCE/CLANCE will not run on the
MACE.
1.0
Net186TM Demonstration Board User’s Manual
B-5
net186about.book : 186appc.fm Page 1 Monday, June 23, 1997 11:05 AM
Appendix C
References
This appendix contains a short list of reference material for those who would like
to learn more about Ethernet or networking in general.
Books and Literature
TCP/IP Illustrated by W. Richard Stevens, Addison-Wesley Publishing (http://
www.aw.com), ISBN 0-201-63346-9.
Internetworking by Mark A. Miller, M&T Books (1-800-533-4372), ISBN
1-55851-143-1. A good general overview, including wide area communications.
1.0
Embedded Networking Applications Design Guide Kit, AMD (1-800-222-9323),
order #20397.
Periodicals
Looking in the classifieds of Embedded Systems Programming magazine (Miller
Freeman, 1-800-829-5537, http://embedded.com), you will find numerous
advertisements for protocol stacks, RTOSs, emulators, etc. This magazine also has
a number of general embedded articles that are worthwhile reading.
Another noteworthy publication is Electronic Engineering Times (CMP
Publications, Inc., http://techweb.cmp.com/). This is a weekly publication
providing an abundance of information on the current state of the electronics
industry, including occasional in-depth articles on networking and embedded
applications as well as advertisements for all types of electronics services and
products.
Net186TM Demonstration Board User’s Manual
C-1
net186about.book : 186appc.fm Page 2 Monday, June 23, 1997 11:05 AM
World Wide Web
The WWW is an excellent resource for finding out more about networking,
especially embedded networking applications. Just searching on “TCP tutorial”
will bring up plenty to keep you busy.
A few web sites produced by such searches are:
• http://www-cne.gmu.edu/modules/network/index.html
This is a very informative “subway map” of a wide range of networking tutorials
and resources, including a link to the original TCP/IP tutorial RFC (request for
comment).
Most networking companies also have web sites which offer a wide variety of
useful information. Also, several newsgroups frequently discuss Ethernet issues,
including embedded networking application issues. Try reading the
comp.arch.embedded or comp.protocols.tcp-ip newsgroups.
C-2
Net186TM Demonstration Board User’s Manual
1.0
• http://www.softaid.net/emulate/articles/article.html
Another informative source, this provides an extensive collection of articles
written by Jack Ganssle of Softaid (one of our Fusion E86 partners). There are
dozens of articles of relevance to the embedded developer.
net186about.book : 186appd.fm Page 1 Monday, June 23, 1997 11:05 AM
Appendix D
PAL Source File Listing
This appendix contains the contents of the PAL source file included in your kit.
1.0
Net186TM Demonstration Board User’s Manual
D-1
net186about.book : 186appd.fm Page 2 Monday, June 23, 1997 11:05 AM
PAL Source File Contents
REVISION HISTRY
; 3/19/96
MB - CREATED
; 3/28/96
MB - add 85C30 support, use 186ES
; 4/8/96
MB - included digital one-shot for sbhe_
; 5/7/96
MB - fixed mistake w/ I/O slave reads (added PCS3,
;
removed rd_)
; 5/7/96
MB - added support for PCnet byte writes (added ADX0)
; 5/7/96
MB - fixed mistake on sbhe tristate
; 7/25/96
MB - took out 85C30, converted from 16V8 to 22V10
; 11/7/96
MB - went back to I/O mapped
; 11/18/96
MB - changed to support 16 bit SRAM, swapped pins to match
;
schematic
; 11/27/96
MB - swapped pins (again) to match schematic
; 1/24/97
MB - swapped pins (yet again) to match schematic
CHIP
es_pcnet
PALCE22V10
;Note DIP pinout for SSOP
;---------------------------------- PIN Declarations --------------;
DIP
PLCC
PIN 1
clka
;2 - clk from 186ES
PIN 2
master_ ;3 - from PCnet, indicates PCnet has bus
PIN 3
lcs_
;4 - lower chip select from 186ES, addresses memory
PIN 4
hlda
;5 - from 186ES, inverted to DACK* on PCnet
PIN 5
bhe_
;6 - Byte High Enable from 186ES
PIN 6
wlb_
;7 - Write Low Byte from 186ES
PIN 7
whb_
;9 - Write High Byte from 186ES
PIN 8
mcs0_ ;10 - /MCS0, not used in this design, could be used
;
to memory map PCnet-ISA
PIN 9
pcs2_
;11 - peripheral CS from 186ES
PIN 10
pcs3_
;12 - peripheral CS from 186ES
PIN 16
PIN 17
PIN 20
PIN 21
PIN 22
PIN 23
D-2
dbhe_
;19 - Delayed bhe_, external N/C
aen_
;20 - Address Enable to PCnet
sbhe_
;24 - System Byte High Enable on PCnet and SRAM
hlda_
;25 - connected to DACK* on PCnet
memw_ ;26 - Memory Write drives SRAM when ES has bus
rcs_
;27 - ram chip select
Net186TM Demonstration Board User’s Manual
1.0
;PALASM Design Description
;------------------- Declaration Segment -----------TITLE
186ES PCnet-ISA Glue Logic
PATTERN
AUTHOR
Mark Bowers, FAE Atlanta
COMPANY Advanced Micro Devices, inc.
DATE
3/19/96
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;----------------------------------- Boolean Equation Segment -----EQUATIONS
hlda_ = /hlda
/rcs_ = /lcs_ + /master_
;lcs_ doesn’t tristate on a bus hold
;PCS2 and PCS3 assert when the 186ES address is x2xxh and x3xx
respectively.
;This is the I/O space that we want to talk to the PCnet-ISA in.
/aen_ = /pcs2_ + /pcs3_
;The signal memw_ drives the R/W line on the SRAM. When the 186ES has the
;bus, this is simply a logical AND of whb_ and wlb_. The 186ES signal /WR
;can NOT be used because the pulse width is too short at 40MHz.
/memw_ = /whb_ + /wlb_
memw_.TRST = master_
1.0
;To support 8 bit I/O cycles to the PCnet-ISA, SBHE must be asserted
before
;IOR or IOW. To conform to the ISA spec, SBHE is extended so the trailing
;edge occurs after IOR or IOW goes high. The signal sbhe is tristated
when
;PCnet has the bus.
dbhe_ := bhe_
/sbhe_ = /bhe_ + /dbhe_
sbhe_.TRST = master_
Net186TM Demonstration Board User’s Manual
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Appendix E
EEPROM Contents
This appendix contains the text file named NET186.DAT that shows the contents
of the EEPROM used on the Net186 demonstration board. The utility EESETUP
can be used to program the EEPROM based on the data in this file.
Note that the data in this file is byte reversed from what ends up in the PCnet
registers. There are several differences from a typical PC application:
1. The I/O resources are hardcoded to:
DMA = 3
IRQ = 3
I/O ADX = 200h
1.0
The DMA and IRQ must be assigned as shown because that is how the
PCnet-ISA II is connected to the Am186ES microcontroller. The I/O ADX
could be changed (200h - 3FFh in increments of 20h), but the contents of the
EEPROM have to match where the PCnet is mapped in the 186 software.
2. ISACSR0 and ISACSR1 are both set to 0002h. This sets the Master Mode
Read/Write Active time to 100 ns, which maximizes DMA performance.
3. ISACSR2 is set to 0212h, which minimizes the Read/Write Inactive time for
DMA transfers, and maximizes performance.
When the Am186ES microcontroller and PCnet-ISA II are "alive", software drivers
can be loaded and network traffic can be processed. Please refer to “Software” on
page x.
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NET186.DAT File Listing
// The #ieee_addr keyword here stimulates a call to Address Manager
which
// dispenses the next available IEEE address from ADDR_MGR.DAT data
base.
//
OR
// The #force_addr keyword here gives you the ability to force a
specific
// IEEE address by providing your own six bytes of information.
//
OR
// The #reuse_ieee_addr keyword here causes EESETUP to (blindly) reuse
the
// IEEE address currently programmed in the EEPROM.
//
// Choose and enable exactly one of the following three examples...
//#ieee_addr
//#force_ieee_addr 0x00 0x11 0x22 0x33 0x44 0x55
#reuse_ieee_addr
#reserved 0x00 0x00 0x00
// Used by AMD device drivers.
#hwid 0x01
// User defined bytes.
#user1 0x00 0x00
E-2
Net186TM Demonstration Board User’s Manual
1.0
// File: net186.dat
// Revision: 1.0
// PCnet Family controller: Am79C961A PCnet-ISA II
//
// ANSI identifier string: AMD PCnet-ISA II Ethernet Network Adapter
//
// Card state at power-on/Reset: active/visible in I/O space
// Plug and Play BIOS or Configuration Manager: not required to wake
card
// Plug and Play Boot Device: No
// Plug and Play Boot ROM: Not specified
/
********.*********.*********+******************.*********.********/
/*
EEPROM Byte Map
*/
/*
PCnet-ISA+ Data Sheet - PID# 18183 Rev.B - Apr 1994
*/
/*
PCnet-ISA II Data Sheet - PID# 19364A Rev.A - OCT 1994
*/
/
********.*********.**********+******************.*********.********
/
// 64 bytes of PCnet-ISA+ Configuration Information follows:
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NET186.DAT File Listing (continued)
// 16-bit checksum #1 - automatically computed by EESETUP.
#chksum1 0xC1 0xC2
// Used by AMD device drivers.
#driver_ww 0x57 0x57
#eisa_cfg 0x00 0x01 0x02 0x03
// Master Mode Read Active time set for 100ns for maximum performance
#isacsr0 0x02 0x00
// Master Mode Write Active time set for 100ns for maximum performance
#isacsr1 0x02 0x00
1.0
// #isacsr2: Bit 1 of the second byte is the P&P_ACT bit:
//
bit 1 = 0 = inactive/invisible, board needs Plug and Play to
wake it.
//
bit 1 = 1 = active/visible, board powers up visible on the ISA bus.
//
// bit 4 determines the ISA bus inactive time. Setting this bit
// to a 1 will minimize this time for the Net186
//
// Choose and enable exactly one of the following two examples...
// If you want the adapter active/visible (Legacy):
#isacsr2 0x12 0x02
// If you want the adapter inactive/invisible (Plug and Play):
//#isacsr2 0x12 0x00
#isacsr5 0x84 0x00
#isacsr6 0x08 0x40
#isacsr7 0x90 0x00
// PCnet-ISA II (Full Duplex): Enable Full Duplex Register
// If you’re using a PCnet-ISA II controller,
//
These two bytes are automatically included in the EEPROM image.
//
You must select the #pnp_unused field with 8 bytes to compensate.
// If you’re using a PCnet-ISA+ controller,
//
These two bytes are NOT included in the EEPROM image.
//
You must select the #pnp_unused field with 10 bytes to compensate.
#isacsr9 0x00 0x00
// Plug and Play Registers 60/61. Base I/O address: 200
// The address you specify here should also be specified on the
// #io (Programmable I/O Port Descriptor) command line.
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NET186.DAT File Listing (continued)
#pnp_i/o 0x02 0x00
// Plug and Play Registers 70/71. Interrupt Request: 3
// The interrupt you specify here should also be specified on the
// #irq (Interrupt Request Descriptor) command line.
#pnp_irq 0x03 0x00
// Plug and Play Register 74. DMA Channel: 3
// The DMA channel you specify here should also be specified on the
// #dma (DMA Channel Descriptor) command line.
#pnp_dma 0x03
// Plug and Play Registers 40/41/42/43/44. ROM Address Descriptor.
//
The five byte descriptor syntax is as follows:
//
#pnp_rom 0x0M 0xN0 0xWW 0xS1 0xS2
//
M represents address lines 19-16 and N represents address
lines lines
//
15-12 of the ROM starting address. To get 8-bit ROM accesses you
//
substitute 00 for WW and to get 16-bit accesses you substitute
02 for
//
WW. For the ROM size you substitute FF for S1 and substitute one of
//
the following for S1:
//
if 8K use E0, if 16K use C0, if 32K use 80, if 64K use 00
//
//
For boot ROM set all five bytes to 0x00.
//
//
Example: To specify a boot ROM at address 0xC8000 with 16-bit
//
accesses and a size of 32K...you substitute C for M and 8 for N.
//
To get 16-bit accesses you substitute 02 for WW. You substitute FF
//
for S1 and 80 for S2 to specify a 32K size.
//
#pnp_rom 0x0C 0x80 0x02 0xFF 0x80
//
//
Specific address alignment limitations for each size of boot ROM
//
are explained in the PCnet-ISA+ and PCnet-ISA II data sheets.
//
// Choose and enable exactly one of the following examples...
// No ROM.
#pnp_rom 0x00 0x00 0x00 0x00 0x00
// ROM @ 0C8000, 8-bit data, 8K in size.
//#pnp_rom 0x0C 0x80 0x00 0xFF 0xE0
// ROM @ 0C8000, 8-bit data, 16K in size.
//#pnp_rom 0x0C 0x80 0x00 0xFF 0xC0
// ROM @ 0C8000, 8-bit data, 32K in size.
//#pnp_rom 0x0C 0x80 0x00 0xFF 0x80
// ROM @ 0D0000, 8-bit data, 64K in size.
E-4
Net186TM Demonstration Board User’s Manual
1.0
#reserved 0x00
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NET186.DAT File Listing (continued)
//#pnp_rom 0x0D 0x00 0x00 0xFF 0x00
#reserved 0x00
// Plug and Play Registers 48/49/4A/4B/4C. Shared SRAM Address
Descriptor.
// The Shared SRAM descriptor is disabled for AMD Bus Master boards.
#pnp_ram 0x00 0x00 0x00 0x00 0x00
#reserved 0x00
// Plug and Play Register F0. Vendor Defined Configuration Register.
// MUST BE 0x00 for AMD PCnet-ISA+ and PCnet-ISA II boards!
#pnp_vendid 0x41
// 8-bit checksum #2 - automatically computed by EESETUP.
#chksum2 0xC2
#ext_shft_chn 0x00 0x00
1.0
// If you’re using a PCnet-ISA II controller,
//
The #isacsr9 bytes are automatically included in the EEPROM image.
//
You must select the #pnp_unused field with 8 bytes to compensate.
// If you’re using a PCnet-ISA+ controller,
//
The #isacsr9 bytes are NOT included in the EEPROM image.
//
You must select the #pnp_unused field with 10 bytes to compensate.
//
// Choose and enable exactly one of the following two examples...
// If you’re using the PCnet-ISA+:
//#pnp_unused 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09
// If you’re using the PCnet-ISA II:
#pnp_unused 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07
/
********.*********.*******************+******************.********/
/*
Plug and Play ISA Configuration Record
*/
/*
Plug and Play ISA Specification
*/
/*
Version 1.0a
*/
/*
May 5, 1994
*/
/********.*********.*******************+**************************/
/* The following Plug and Play fixed and variable length data
structures,
*/
/* which are loaded into the EEPROM beginning at offset 64, are
absolutely, */
/* positively, required by EESETUP to be present and in the order
shown.
*/
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NET186.DAT File Listing (continued)
/*
*/
/* It’s possible to have data structures present that don’t actually
*/
/* consume system resources. For example, a #mem_rom_desc structure
could
*/
/* have a range length field of zero which disables the memory
requirement. */
/********.*********.**************************.*********.********/
// Serial Identifier (8 bytes with 1 byte computed checksum)
// 32-bit EISA Vendor ID (AMD, PCnet-ISA+), 32-bit Vendor Serial/
Unique Number
#ser_id 0x04 0x96 0x55 0xAA 0x00 0x00 0x00 0x00 0xC3
// ANSI Identifier String (large resource, 3 bytes+string)
//
// Choose and enable exactly one of the following examples...
//#ansi_id 0x82 0x27 0x00 AMD PCnet-ISA+ Ethernet Network Adapter
#ansi_id 0x82 0x29 0x00 AMD PCnet-ISA II Ethernet Network Adapter
// Logical Device ID (small resource, 5 bytes)
// 32-bit logical device ID (if single device same as #ser_id), flag
byte
// Bit 0/last byte indicates if device required for boot: 0=No, 1=Yes.
#log_dev_id 0x15 0x04 0x96 0x55 0xAA 0x02
// Compatible Device ID (small resource, 5 bytes)
// ID of other device with which this device is compatible.
#comp_dev_id 0x1C 0x41 0xD0 0x82 0x8C
// Memory Range Descriptor 0 (large resource, 12 bytes)
//
If memory is enabled for a boot ROM, make sure the #mem_rom_desc
//
field reflects the same configuration as the #pnp_rom field above.
//
If boot ROM is not enabled, you must edit the length field to
specify
//
a zero length.
//
This descriptor does not directly affect hardware settings.
//
This descriptor is supplied as a "courtesy" to Plug and Play
//
so that it may accurately determine the board’s hardware settings.
//
//
Generic example for 16K boot ROM @ address 0xMN000 where M
represents
E-6
Net186TM Demonstration Board User’s Manual
1.0
// Plug and Play Version Number (small resource, 3 bytes)
#pnp_ver 0x0A 0x10 0x00
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NET186.DAT File Listing (continued)
1.0
//
address lines 19-16 and N represents address lines 15-12.
//
0x81 0x09 0x00 0x62 0xN0 0x0M 0xN0 0x0M 0x00 0x40 0x40 0x00
//
For 8K ROM at address 0xC8000, you would substitute C for M and
//
substitute 8 for N and get the following.
//
0x81 0x09 0x00 0x62 0x80 0x0C 0x80 0x0C 0x00 0x20 0x20 0x00
//
Address alignment limitations for each size of boot ROM are
explained
//
in the PCnet-ISA+ and PCnet-ISA II data sheets.
//
// Choose and enable exactly one of the following examples...
// 8K boot ROM @ 0C8000
//#mem_rom_desc 0x81 0x09 0x00 0x62 0x80 0x0C 0x80 0x0C 0x00 0x20 0x20
0x00
// 16K boot ROM @ 0C8000
//#mem_rom_desc 0x81 0x09 0x00 0x62 0x80 0x0C 0x80 0x0C 0x00 0x40 0x40
0x00
// 32K boot ROM @ 0C8000
//#mem_rom_desc 0x81 0x09 0x00 0x62 0x80 0x0C 0x80 0x0C 0x00 0x80 0x80
0x00
// 64K boot ROM @ 0C8000
//#mem_rom_desc 0x81 0x09 0x00 0x62 0x80 0x0C 0x80 0x0C 0x00 0x00 0x00
0x01
// No boot ROM (length = 0)
//#mem_rom_desc 0x81 0x09 0x00 0x62 0x00 0x00 0x00 0x00 0x00 0x00 0x00
0x00
// Memory Range Descriptor 1 (large resource, 12 bytes)
// The Shared SRAM is disabled for AMD Bus Master boards.
// No Shared Static RAM (length = 0)
//#mem_ram_desc 0x81 0x09 0x00 0x33 0x00 0x00 0x00 0x00 0x00 0x00 0x00
0x00
// Programmable I/O Port Descriptor (small resource, 8 bytes)
// Min I/O Address, Max I/O Address, alignment, contiguous ports.
// This descriptor does not directly affect hardware settings. It is
// supplied as a "courtesy" to Plug and Play configuration software so
// the board’s hardware settings may be accurately determined.
// The #io command should be in agreement with the #pnp_io command.
//
// Choose and enable exactly one of the following examples...
// I/O base 200h
#io 0x47 0x00 0x00 0x02 0x00 0x02 0x20 0x18
// I/O base 220h
//#io 0x47 0x00 0x20 0x02 0x20 0x02 0x20 0x18
// I/O base 240h
//#io 0x47 0x00 0x40 0x02 0x40 0x02 0x20 0x18
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// I/O base 260h
//#io 0x47 0x00 0x60 0x02 0x60 0x02 0x20 0x18
// I/O base 280h
//#io 0x47 0x00 0x80 0x02 0x80 0x02 0x20 0x18
// I/O base 2A0h
//#io 0x47 0x00 0xA0 0x02 0xA0 0x02 0x20 0x18
// I/O base 2C0h
//#io 0x47 0x00 0xC0 0x02 0xC0 0x02 0x20 0x18
// I/O base 2E0h
//#io 0x47 0x00 0xE0 0x02 0xE0 0x02 0x20 0x18
// I/O base 300h
#io 0x47 0x00 0x00 0x03 0x00 0x03 0x20 0x18
// I/O base 320h
//#io 0x47 0x00 0x20 0x03 0x20 0x03 0x20 0x18
// I/O base 340h
//#io 0x47 0x00 0x40 0x03 0x40 0x03 0x20 0x18
// I/O base 360h
//#io 0x47 0x00 0x60 0x03 0x60 0x03 0x20 0x18
// I/O base 380h
//#io 0x47 0x00 0x80 0x03 0x80 0x03 0x20 0x18
// I/O base 3A0h
//#io 0x47 0x00 0xA0 0x03 0xA0 0x03 0x20 0x18
// I/O base 3C0h
//#io 0x47 0x00 0xC0 0x03 0xC0 0x03 0x20 0x18
// I/O base 3E0h
//#io 0x47 0x00 0xE0 0x03 0xE0 0x03 0x20 0x18
// DMA (small resource, 3 bytes)
// DMA supported bit mask, Transfer Type Info (8/16-bit, Master).
// This descriptor does not directly affect hardware settings. It is
// supplied as a "courtesy" to Plug and Play configuration software so
// the board’s hardware settings may be accurately determined.
// The #dma command should be in agreement with the #pnp_dma command.
//
// Choose and enable exactly one of the following examples...
// DMA3
#dma 0x2A 0x04 0x05
// DMA5
//#dma 0x2A 0x20 0x05
// DMA6
//#dma 0x2A 0x40 0x05
// DMA7
//#dma 0x2A 0x80 0x05
// IRQ (small resource, 4 bytes)
// IRQ supported bit mask, High true edge sensitive, Low true Level
E-8
Net186TM Demonstration Board User’s Manual
1.0
NET186.DAT File Listing (continued)
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NET186.DAT File Listing (continued)
1.0
sensitive
// This descriptor does not directly affect hardware settings. It is
// supplied as a "courtesy" to Plug and Play configuration software so
// the board’s hardware settings may be accurately determined.
// The #irq command should be in agreement with the #pnp_irq command.
//
// Choose and enable exactly one of the following examples...
// IRQ3
#irq 0x23 0x08 0x00 0x09
// IRQ4
//#irq 0x23 0x10 0x00 0x09
// IRQ5
//#irq 0x23 0x20 0x00 0x09
// IRQ9
//#irq 0x23 0x00 0x02 0x09
// IRQ10
//#irq 0x23 0x00 0x04 0x09
// IRQ11
//#irq 0x23 0x00 0x08 0x09
// IRQ12
//#irq 0x23 0x08 0x10 0x09
// IRQ15
//#irq 0x23 0x08 0x80 0x09
// END TAG (small resource, 1 byte with 1 byte computed checksum)
#end_tag 0x79 0xC4
// end of net186.dat
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Appendix F
TCP/IP Primer
Protocol stacks are one of the most difficult areas to understand about networking.
Figure F-1 below shows a client and server communicating using FTP on top of a
TCP/IP stack, using drivers for their particular Ethernet hardware. If you
understood that sentence, you don’t need to read further!
Server’s Stack
Client’s Stack
FTP,
Telnet,
etc.
FTP,
Telnet,
etc.
TCP
TCP
1.0
IP
Driver
NDIS(1)
Hardware
IP
Driver
Hardware
Note 1. For the purpose of this example
Figure F-1. Client and Server Protocol Stacks
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Overview
TCP/IP and its associated applications like FTP are arguably the most used set of
protocols in the embedded world. The basic idea is that applications do useful work,
while everything below them is infrastructure. A key stack concept is that levels
communicate with their peers by making requests of the level below while
satisfying requests from above. The client FTP, for example, converses with the
server FTP by sending data down through its stack and up through the server stack.
Additionally, each successive layer has a clearly defined task:
• TCP is basically responsible for end-to-end reliability, meaning that it
guarantees that each packet arrives at the other end without error and in
sequence.
• IP on the other hand, doesn’t care about reliability, but instead enables global
connectivity with its IP addressing scheme (that’s those dotted decimal
addresses like 122.1.2.3 that you’ve probably seen).
The net result is that Ethernet hardware exchanges packets containing application
data, a TCP header, and an IP header, all wrapped up with an 802.3 (Ethernet)
header and CRC. Please see any of the widely available TCP/IP references for
more detail.
F-2
Net186TM Demonstration Board User’s Manual
1.0
• The driver is nothing more than a software shim that allows any vendor’s
Ethernet solution to work with standard IP software interfaces like NDIS.
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Drivers, Protocol Stacks, and RTOS Support
Choosing a protocol stack is a matter of matching design requirements and budget
to the available sources. Freeware stacks that reduce initial costs are available, but
can take a lot of time to get working and may result in terrible performance. At the
other end of the spectrum, vendors such as US Software offer a wide range of highlevel protocols (such as SNMP), as well as porting and integration services. Highend stacks may cost more, but are worthwhile if performance and time-to-market
are critical.
All commercial protocol stacks have a few target-dependent modules that provide
independence from hardware drivers and real-time operating system APIs. To
interface to a new hardware driver or RTOS, only these interface modules need to
be changed so that generic calls like send_packet or task_wait are replaced by the
calls specific to the given driver and RTOS. This means that you can use nearly
any protocol stack with any combination of hardware drivers and real-time
operating system.
1.0
Most stacks also come with drivers for the most common Ethernet chips and
interface modules for the most popular RTOS’. Also some stacks come with a very
simple pseudo-RTOS, which implements rudimentary task switching. If your needs
are simple, these nano-kernels may work just fine. And of course you can always
integrate a home grown RTOS. Table F-1 lists some protocol stack vendors and
the protocols they support.
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Table F-1. Protocol Stack Vendors
Vendor
Product
Protocols Supported
US Software
800-356-7097
www.ussw.com
USNET
TCP/IP, FTP, TELNET, PING,
SNMP, etc.
EBS, Inc.
508-448-9340
www.etcbin.com
RT-IP
TCP/IP, FTP, TELNET, PPP,
etc.
Accelerated Technology
800-468-6853
www.atinucleus.com
Nucleus NET
TCP/IP
Pacific Softworks
800-541-9508
www.pscificsw.com
Fusion TCP/IP TCP/IP, SNMP, PPP, SMTP, etc.
Epilogue
505-271-9933
www.epilogue.com
Attache +
1.0
IP, UDP, TCP, RMON
Most of these stack vendors have separate prices for various protocol extensions.
Typically, a base set includes the basic protocols like IP, UDP, PING, and TELNET.
You then pay extra for extensions like TCP, FTP, PPP, SNMP, RMON, and other
higher level protocols and applications. Different vendors have different
combinations of up-front charges and per-copy royalties. You will have to get
quotes from each vendor, and compare them for your anticipated needs.
The Net186 demonstration board comes with a TCP/IP stack and an example web
server application from US Software. For more information about these, see the
US Software literature include in your kit.
For freeware protocol stacks, download Packet Driver from
http://www.crynwr.com/crynwr/. Packet Driver is not a TCP/IP stack itself. If
you unzip the file and look at SOFTWARE.DOC, you will find a list of various
protocol stacks (including several TCP/IP packages) and other applications that
support Packet Driver. Many of these applications should be suitable for embedded
applications.
F-4
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Table F-2 lists some RTOS vendors that advertise in Embedded Systems
Programming or Electronic Engineering Times. They support the 80186 16-bit
processors.
Table F-2. RTOS Vendors
Vendor
Product
Web Site
US Software
800-356-7097
SuperTask!
www.ussw.com
Kadak, Inc.
604-734-2796
AMX
www.kadak.com
Accelerated Technology
800-468-6853
Nucleus
www.atinucleus.com
Embedded Systems Product
800-525-4302
RTXC
www.esphou.com
CMX
508-872-7675
CMX
www.cmx.com
1.0
Also, see the March 1997 issue of Embedded Systems Programming. This issue
contains a special report on Real-Time Operating Systems written by Nicholas
Cravotta. This article references a web page which summarizes the results. The
URL is: http://www.embedded.com/97/SR9703.
For a list of RTOS vendors that specifically support the PCnet-ISA II Ethernet
controller, see the Fusion E86SM Catalog, the Embedded Systems Programing
article mentioned above, and Third Party RTOS Software Vendors Committed to
Support PCnet Family, order #20430.
For a list of shareware/freeware RTOS’, check out http://www.eg3.com/
realxrto.htm.
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Index
Numerics
10BASE-T port, 2-11
A
1.0
Access Unit Interface (AUI) port, 2-11
Am186ES microcontroller
block diagram, 2-6
initialization, 2-20
operating frequency, 2-5
Am29F400 Flash memory, 2-8
application
running a sample, 1-6
AUI port. See Access Unit Interface.
RJ-45, 2-10
controller
Ethernet, 2-10
conventions
notational, xiii
CR5–CR12 PIO LEDs, 2-16
D
DB–9 serial connector pinout, 2-9
DEN pin, 2-16
documentation
conventions, xiii
description of, x
reference material, xii
DT/R pin, 2-16
B
E
BBS
technical support, 3-2
bill of materials, A-12
E86MON utility
invoking, 1-4
no prompt, 1-5
EEPROM
contents, E-1
e-mail
technical support, 3-2
Ethernet controller
additional resources, C-1
initialization, 2-20
Legacy mode, 2-21
Overview, 2-9
PAL equations, 2-19
PAL source file, D-1
C
clock
configuration, 2-12
logic, 2-12
rates supported, 2-12
connecting
demonstration board to PC, 1-2
connector
Net186TM Demonstration Board User’s Manual
Index-1
net186about.book : net186aboutix.fm Page 2 Monday, June 23, 1997 11:05 AM
Plug-and-Play, 2-21
protocol stacks, F-1
reference material, C-1
RTOS support, F-3
TCP/IP, F-1
things to remember, 2-22
expansion interface
overview, 2-12
P1 pinout, 2-13
P2 pinout, 2-14
LEDs
flashing incorrectly, 1-5
indicators, 2-16
no power, 1-5
PIO indicators, 2-16
Legacy mode, 2-21
M
features
Net186 demonstration board, ix
Flash memory overview, 2-8
FLASHCS, 2-15
FTP site, 3-5
FusionE86 program, 3-5
Media Access Controller for
(MACE), B-5
memory
Flash, 2-8
ROM, 2-8
SRAM, 2-8
Ethernet
N
H
hotline numbers, 3-3
I
installing
demonstration board, 1-2
requirements, 1-2
troubleshooting, 1-5
interfaces
expansion, 2-12
RS-232 serial, 2-9
Net186 demonstration board
10BASE-T port, 2-11
bill of materials, A-12
block diagram, ix
clock logic, 2-12
documentation, x
EEPROM contents, E-1
expansion interface, 2-12
features, ix
initialization, 2-20
LEDs, 2-16
Legacy mode, 2-21
overview, viii
PAL equations, 2-19
parts list, 2-4
PCnet-ISA II Ethernet controller, 2-10
PIOs, 2-16
Plug-and-Play, 2-21
power supply, 2-18
Net186TM Demonstration Board User’s Manual
1.0
F
Index-2
L
net186about.book : net186aboutix.fm Page 3 Monday, June 23, 1997 11:05 AM
Net186 demonstration board, cont.
protocol stacks, F-1
reset logic, 2-12
RJ-45 connector, 2-10
ROM space, 2-8
RS-232 serial ports, 2-9
RTOS support, F-3
schematics, A-2
SRAM, 2-8
TCP/IP primer, F-1
technical support, 3-1
Networking
additional resources, C-1
reference material, C-1
P
1.0
PAL equations, 2-19
PAL22V10, 2-19
source file, D-1
PC/104 expansion interface, 2-12
pinout, 2-13, 2-14
support, 2-13
PCnet family
background, B-2
LANCE/CLANCE, B-1
MACE, B-5
PCnet-32, B-3
PCnet-ISA series, B-2
PCnet-PCI II, B-3
software compatibility, B-4
PCnet-ISA II Ethernet controller
10BASE-T port, 2-11
AUI port, 2-11
initialization, 2-20
Legacy mode, 2-21
PAL equations, 2-19
PAL source file, D-1
PCnet family, B-1
Plug-and-Play, 2-21
protocol stacks, F-1
RJ-45 connector, 2-10
RTOS support, F-3
TCP/IP primer, F-1
things to remember, 2-22
PCS pins, 2-16
pinout
DB–9 serial connector, 2-9
PC/104 interface (P1), 2-13
PC/104 interface (P2), 2-14
RS-232 serial ports, 2-9
PIO signals
mapped to LEDs, 2-16
overview, 2-16
Plug-and-Play (PnP), 2-21
ports
10BASE-T, 2-11
AUI, 2-11
expansion, 2-12
RS-232 serial, 2-9
power supply
5-V vs. 9-V, 2-18
input requirements, 2-18
polarity, 2-18
product support
FTP site, 3-5
third party (FusionE86), 3-5
WWW site, 3-4
protocol stacks, F-1
R
RES pin, 2-12
RESET button
nothing happens when pushing, 1-5
reset logic, 2-12
RJ-45 connector
pin assignment, 2-10
pin functions, 2-10
ROM space, 2-8
RS-232 serial ports, 2-9
pinout, 2-9
Net186TM Demonstration Board User’s Manual
Index-3
net186about.book : net186aboutix.fm Page 4 Monday, June 23, 1997 11:05 AM
S
W
sample applications, 1-6
schematics, A-2
software
E86MON, x
E86Stack, x
E86Web, x
invoking the E86MON utility, 1-4
PCnet family, B-4
protocol stack vendors, F-4
protocol stacks, F-1
RTOS vendors, F-5
TCP/IP, F-1
SRAM, 2-8
support, product. See product support.
support, technical. See technical support.
WWW
networking reference material, C-2
product support, 3-4
technical support, 3-2
1.0
T
TCP/IP, F-1
technical support, 3-1
BBS support, 3-2
e-mail support, 3-2
hotline numbers, 3-3
WWW support, 3-2
terminal emulation programs
displaying unreadable characters, 1-5
locking up, 1-5
TMRIN1 pin, 2-16
TMROUT1 pin, 2-16
troubleshooting
installation, 1-5
U
UCS (Upper Memory Chip Select) signal,
2-8
Index-4
Net186TM Demonstration Board User’s Manual