Download ICE5840 User's Guide

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ELAN Communication line Development Reference
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ELAN In Circuit Emulator
1 Introduction
ICE5840 is intended to provide the product development engineer a powerful microcontroller
design tool.
2 Components description:
Table 1:
Symbol
U1
U2
Function
eFHR5840
27C256
Y1
S1
K1
JP1
JP2
JP3
JP6
Oscillator
Reset button
Option switch
ICE interface
ICE interface
Function pin
Program ROM
select
Program HOLD
JP8
JP9
JP11
JP12
JP13
R14
D1
Description
eFHR5840 Romless IC
8-bit data width DIP package memory (EPROM).
It mimicked to 4K word (8K bytes) embedded Program ROM.
32.768KHz crystal.
Reset from /Reset pin.
Refer to Table 3,4,5.
Connect to GIC board
Connect to GIC board
Connect to user application board, refer to Table6.
Connect to VDD : GIC mode, emulate with PC. Don’t connect U2
Connect to GND : External Rom mode, U2 as program Rom.
Open : developing program on ICE.
Short : Run on Piggyback.
P71/Reset
P71/Reset as reset pin or general reset.
P70/PLLC/ERCI P70/PLLC as PLLC connect capacitance to GND.
P70/PLLC as ERCI, connect resistance to VDD.
Open: P70/PLLC as I/O port.
XIN/P61
Short: Xin/P61 as Oscillator pin.
Open: Xin/P61 as I/O port.
XOUT/P60
Short: XOUT/P60 as Oscillator pin.
Open: XOUT/P60 as I/O port.
Resistance
Resistance for ERC
LED
Indicates Power.
W 1-2 X