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56852 Evaluation Module User Manual 56F850 16-bit Digital Signal Controllers DSP56852EVMUM Rev. 3 07/2005 freescale.com TABLE OF CONTENTS Preface vii Chapter 1 Introduction 1.1 1.2 1.3 56852EVM Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 56852EVM Configuration Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 56852EVM Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Chapter 2 Technical Summary 2.1 56852 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 2.2 Program and Data Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 2.2.1 SRAM Bank 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 2.2.2 SRAM Bank 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 2.3 SPI Serial EEPROM/Data FLASH Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 2.4 RS-232 Serial Communications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 2.5 Clock Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7 2.6 Operating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 2.7 Debug LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 2.8 Debug Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 2.8.1 JTAG Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 2.8.2 Parallel JTAG Interface Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 2.9 External Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13 2.10 Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14 2.11 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15 2.12 Stereo Codec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16 2.12.1 Analog Input/Output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17 2.12.2 Digital Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17 2.13 Daughter Card Connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19 2.13.1 Memory Daughter Card Expansion Connector . . . . . . . . . . . . . . . . . . . . . . 2-19 2.13.2 Peripheral Daughter Card Expansion Connector . . . . . . . . . . . . . . . . . . . . . 2-21 2.14 Test Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22 Table of Contents, Rev. 3 Freescale Semiconductor i Appendix A DSP56852EVM Schematics Appendix B DSP56852EVM Bill of Material DSP56852EVM User Manual, Rev. 3 ii Freescale Semiconductor LIST OF FIGURES 1-1 Block Diagram of the 56852EVM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1-2 56F801EVM Jumper Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 1-3 Connecting the 56852EVM Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 2-1 Schematic Diagram of the External CS0 Memory Interface . . . . . . . . . . . . . . . . . . . 2-3 2-2 Schematic Diagram of the External CS1/CS2 Memory Interface . . . . . . . . . . . . . . . 2-4 2-3 SPI EEPROM Memory Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 2-4 Schematic Diagram of the RS-232 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 2-5 Schematic Diagram of the Clock Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7 2-6 Schematic Diagram of the Debug LED Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 2-7 Block Diagram of the Parallel JTAG Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 2-8 Schematic Diagram of the User Interrupt Interface. . . . . . . . . . . . . . . . . . . . . . . . . 2-13 2-9 Schematic Diagram of the RESET Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14 2-10 Schematic Diagram of the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15 2-11 Codec Analog Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17 2-12 CS4218 Stereo Audio Codec. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18 List of Figures, Rev. 3 Freescale Semiconductor iii DSP56852EVM User Manual, Rev. 3 iv Freescale Semiconductor LIST OF TABLES 1-1 56F801EVM Default Jumper Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 2-1 SPI Port Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 2-2 RS-232 Serial Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 2-3 Operating Mode Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 2-4 LED Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 2-5 JTAG Connector Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 2-6 Parallel JTAG Interface Disable Jumper Selection . . . . . . . . . . . . . . . . . . . . . . 2-10 2-7 Parallel JTAG Interface Connector Description . . . . . . . . . . . . . . . . . . . . . . . . 2-12 2-8 Codec Sample Rate Selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16 2-9 SSI Port Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18 2-10 GPIO Port Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19 2-11 Memory Daughter Card Connector Description . . . . . . . . . . . . . . . . . . . . . . . . 2-19 2-12 Peripheral Daughter Card Connector Description . . . . . . . . . . . . . . . . . . . . . . . 2-21 List of Tables, Rev. 3 Freescale Semiconductor v DSP56852EVM User Manual, Rev. 3 vi Freescale Semiconductor Preface This reference manual describes in detail the hardware on the 56852 Evaluation Module. Audience This document is intended for application developers who are creating software for devices using the Freescale 56852 part. Organization This manual is organized into two chapters and two appendixes. • Chapter 1, Introduction - provides an overview of the EVM and its features. • Chapter 2, Technical Summary - describes in detail the 56852 hardware. • Appendix A, DSP56852EVM Schematics - contains the schematics of the 56852EVM. • Appendix B, DSP56852EVM Bill of Material - provides a list of the materials used on the 56852EVM board. Suggested Reading More documentation on the 56852 and the 56852EVM kit may be found at URL: www.freescale.com Preface, Rev. 3 Freescale Semiconductor vii Conventions This manual uses the following notational conventions: Term or Value Symbol Examples Active High Signals (Logic One) No special symbol attached to the signal name A0 CLKO Active Low Signals (Logic Zero) Noted with an overbar in text and in most figures WE OE Hexadecimal Values Begin with a “$” symbol $0FF0 $80 Decimal Values No special symbol attached to the number Binary Values Begin with the letter “b” attached to the number b1010 b0011 Numbers Considered positive unless specifically noted as a negative value 5 -10 Blue Text Linkable on-line Bold Reference sources, paths, emphasis Exceptions In schematic drawings, Active Low Signals may be noted by a backslash: /WE 10 34 Voltage is often shown as positive: +3.3V ...refer to Chapter 7, License ...see: www.freescale.com DSP56852EVM User Manual, Rev. 3 viii Freescale Semiconductor Definitions, Acronyms, and Abbreviations Definitions, acronyms and abbreviations for terms used in this document are defined below for reference. Codec COder/DECoder; a part used to convert analog signals to digital (coder) and digital signals to analog (decoder) DSP Digital Signal Processor or Digital Signal Processing EEPROM Electrically Erasable Programmable Read-Only Memory EOnCE Enhanced On-Chip Emulation; a debug bus and port created by Freescale to enable a designer to create a low-cost hardware interface for a professional-quality debug environment EVM Evaluation Module; a hardware platform which allows a customer to evaluate the silicon and develop his application GPIO General Purpose Input and Output port on Freescale’s family of controllers; does not share pin functionality with any other peripheral on the chip and can only be set as an input, output or level-sensitive interrupt input IC Integrated Circuit ISSI Improved Synchronous Serial Interface port on Freescale’s family of controllers JTAG Joint Test Action Group; a bus protocol/interface used for test and debug LED Light Emitting Diode MBGA MAP Ball Grid Array package MPIO Multi Purpose Input and Output port on Freescale’s family of controllers; shares package pins with other peripherals on the chip and can function as a GPIO PCB Printed Circuit Board PLL Phase Locked Loop RAM Random Access Memory ROM Read Only Memory SCI Serial Communications Interface port on Freescale’s family of controllers Preface, Rev. 3 Freescale Semiconductor ix SPI Serial Peripheral Interface port on Freescale’s family of controllers SRAM Static Random Access Memory SSI Synchronous Serial Interface port on Freescale’s family of controllers WS Wait State References The following sources were referenced to produce this manual: [1] DSP56800E Reference Manual, Freescale Semiconductor [2] DSP56852 Digital Signal Processor User’s Manual, Freescale Semiconductor [3] DSP56852 Digital Signal Processor Technical Data, Freescale Semiconductor DSP56852EVM User Manual, Rev. 3 x Freescale Semiconductor Chapter 1 Introduction The 56852EVM is used to demonstrate the abilities of the 56852 and to provide a hardware tool allowing the development of applications that use the 56852. The 56852EVM is an evaluation module board that includes a 56852 part, 16-bit stereo codec, external memory and a daughter card expansion interface. The daughter card expansion connectors are for signal monitoring and user feature expandability. The 56852EVM is designed for the following purposes: • Allowing new users to become familiar with the features of the 56800E architecture. The tools and examples provided with the 56852EVM facilitate evaluation of the feature set and the benefits of the family. • Serving as a platform for real-time software development. The tool suite enables the user to develop and simulate routines, download the software to on-chip or on-board RAM, run it, and debug it using a debugger via the JTAG/Enhanced OnCE (EOnCE) port. The breakpoint features of the EOnCE port enable the user to easily specify complex break conditions and to execute user-developed software at full speed until the break conditions are satisfied. The ability to examine and modify all user-accessible registers, memory and peripherals through the EOnCE port greatly facilitates the task of the developer. • Serving as a platform for hardware development. The hardware platform enables the user to connect external hardware peripherals. The on-board peripherals can be disabled, providing the user with the ability to reassign any and all of the controller's peripherals. The EOnCE port's unobtrusive design means that all memory on the board and on the chip is available to the user. 1.1 56852EVM Architecture The 56852EVM facilitates the evaluation of various features present in the 56852 part. The 56852EVM can be used to develop real-time software and hardware products based on the 56852. The 56852EVM provides the features necessary for a user to write and debug software, Introduction, Rev. 3 Freescale Semiconductor 1-1 demonstrate the functionality of that software and interface with the customer's application-specific device(s). The 56852EVM is flexible enough to allow a user to fully exploit the 56852's features to optimize the performance of their product, as shown in Figure 1-1. 56852 RESET LOGIC MODE LOGIC CS0 (Program Memory) 128Kx16-bit SRAM RESET MODE SPI SPI Data FLASH 1M-bit IRQ IRQ Interface SCI RS-232 Interface Address, Data & Control DSub 9-Pin Peripheral Daughter Card Connector CS1/CS2 (Data Memory) 128Kx16-bit SRAM Memory Daughter Card Connector JTAG Connector JTAG/EOnCE ISSI Stereo 16-bit Codec Amp DSub 25-Pin Parallel JTAG Interface 4.00MHz Crystal GPIO XTAL/EXTAL +1.8V, +3.3V & GND Stereo Line In Stereo Line Out Headphone Jack Debug LEDs Power Supply +1.8V, +3.3V & +5.0V Figure 1-1. Block Diagram of the 56852EVM 1.2 56852EVM Configuration Jumpers Ten jumper groups, (JG1-JG10), shown in Figure 1-2, are used to configure various features on the 56852EVM board. Table 1-1 describes the default jumper group settings. DSP56852EVM User Manual, Rev. 3 1-2 Freescale Semiconductor 56852EVM Configuration Jumpers 2 4 8 2 JG3 JG5 JG6 7 1 JG2 3 1 JG8 1 3 JG7 JG1 1 3 P6 P1 S3 JG7 TB1 P2 JG8 JTAG RESET JG6 JG4 JG5 Y1 J3 J2 JG2 JG3 JG4 JG9 U2 S1 U1 IRQA 5 6 2 1 2 4 1 3 S2 U3 DSP56852EVM RE10520B REV S/N 1 2 9 10 HEADPHONE IRQB JG1 P5 J1 S5 JG9 JG10 S5 JG10 S4 P3 LEDS U7 P4 U5 LINE IN LINE OUT Figure 1-2. 56F801EVM Jumper Reference Table 1-1. 56F801EVM Default Jumper Options Jumper Group Comment Jumpers Connections JG1 Enable on-board Byte selectable SRAM via CS1/CS2 (U3) 1-2, 3-4 JG2 Enable on-board Word selectable SRAM via CS0 (U2) 1–2 JG3 Use on-board XTAL crystal input for oscillator 1–2 JG4 Use on-board EXTAL crystal input for oscillator 2–3 JG5 Enable SCI Port to RS-232 transceiver JG6 Enable SPI Port to Serial EEPROM/Data FLASH JG7 Enable on-board Parallel JTAG Host/Target Interface NC JG8 Enable RS-232 output NC JG9 Enable SSI Port for CODEC data. 1-2, 3-4, 5-6, 7-8, 9-10 JG10 Enable GPIO for CODEC control. 1-2, 3-4, 5-6 1–2, 3-4 1–2, 3–4, 5–6 & 7–8 Introduction, Rev. 3 Freescale Semiconductor 1-3 1.3 56852EVM Connections An interconnection diagram is shown in Figure 1-3 for connecting the PC and the external +12.0V DC/AC power supply or external +5.0V DC lab power supply to the 56852EVM board. Parallel Extension Cable 56852EVM PC-compatible Computer P1 Connect cable to Parallel/Printer port P2 External with 2.1mm, +12.0V receptacle Power connector TB1 +5.0V Lab Supply Figure 1-3. Connecting the 56852EVM Cables Perform the following steps to connect the 56852EVM cables: 1. Connect the parallel extension cable to the Parallel port of the host computer. 2. Connect the other end of the parallel extension cable to P1, shown in Figure 1-3, on the 56F801EVM board. This provides the connection which allows the host computer to control the board. 3. Make sure that the external +12.0V DC 1.2A switching power supply or the external +5.0V DC 1A lab power supply is not plugged into a +120V AC power source. 4. Connect the 2.1mm output power plug from the external switching power supply into P2, shown in Figure 1-3, on the 56852EVM board. Optionally, attach an external +5.0V DC lab power supply via the 2-pin terminal block, TB1. 5. Apply power to the external power supply. The green Power-On LED, LED7, will illuminate when power is correctly applied. DSP56852EVM User Manual, Rev. 3 1-4 Freescale Semiconductor Chapter 2 Technical Summary The 56852EVM is designed as a versatile controller development card for developing real-time software and hardware products to support a new generation of applications in digital and wireless messaging, digital answering machines, feature phones, modems, and digital cameras. The power of the 16-bit 56852, combined with the on-board 128K u16-bit external program/data static RAM (SRAM), 128K u16-bit external data/program SRAM, RS-232 interface, stereo 16-bit codec interface, Daughter Card Expansion interface and parallel JTAG interface, makes the 56852EVM ideal for developing and implementing many audio and voice algorithms, as well as for learning the architecture and instruction set of the 56852 processor. The main features of the 56852EVM, with board and schematic reference designators include: • 56852 16-bit +1.8V/+3.3V Digital Signal Processor operating at 120MHz [U1] • External fast static RAM (FSRAM) memory, configured as: — 128Ku16-bit of memory [U2] with 1 wait state at 120MHz via CS0 — 128Ku16-bit of memory [U3] with 1 wait state at 120MHz via CS1/CS2 • 1M-bit Serial EEPROM/Data FLASH [U4] • 4.00MHz crystal oscillator for controller frequency generation [Y1] • Optional external oscillator frequency input connectors [JG3 and JG4] • Joint Test Action Group (JTAG) port interface connector for an external debug Host Target Interface [J3] • On-board Parallel JTAG Host Target Interface, with a connector for a PC printer port cable [P1] • RS-232 interface for easy connection to a host processor [U6 and P6] • 16-bit stereo codec interface [U5, JG9, JG10, P3 and P4] • Stereo headphone interface [U12 and P5] Technical Summary, Rev. 3 Freescale Semiconductor 2-1 • Codec sample rate selector [S4] • Peripheral Daughter Card Expansion Connector, to allow the user to connect his own SCI, ISSI, SPI or GPIO-compatible peripheral to the controller [J2] • Memory Daughter Card Expansion Connector, to allow the user to connect his own memory or memory device to the controller [J1] • On-board power regulation from an external +12V DC-supplied power input [P2] • On-board power regulation from an optional +5V DC-supplied power input [TB1] • Light Emitting Diode (LED) power indicator [LED7] • Six on-board real-time user debugging LEDs [LED1-6] • Boot MODE selector [S5] • Manual RESET push-button [S3] • Manual interrupt push-button for IRQA [S1] • Manual interrupt push-button for IRQB [S2] 2.1 56852 The 56852EVM uses a Freescale DSP56852VF120 part, designated as U1 on the board and in the schematics. This part will operate at a maximum speed of 120MHz. A full description of the 56852, including functionality and user information, is provided in these documents: • DSP56852 Technical Data, (DSP56852): Provides features list and specifications, including signal descriptions, DC power requirements, AC timing requirements and available packaging • DSP56852 User’s Manual, (DSP56852UM): Provides an overview description of the controller and detailed information about the on-chip components, including the memory and I/O maps, peripheral functionality, and control/status register descriptions for each subsystem • DSP56800E Reference Manual, (DSP56800ERM): Provides a detailed description of the core processor, including internal status and control registers and a detailed description of the family instruction set Refer to these documents for detailed information about chip functionality and operation. They can be found on this URL: www.freescale.com DSP56852EVM User Manual, Rev. 3 2-2 Freescale Semiconductor Program and Data Memory 2.2 Program and Data Memory The 56852EVM contains two 128Kx16-bit Fast Static RAM banks. SRAM bank 0 is controlled by CS0 and SRAM bank 1 is controlled by CS1 and CS2. 2.2.1 SRAM Bank 0 SRAM bank 0, which is controlled by CS0, uses a 128Ku16-bit Fast Static RAM (GSI GS72116, labeled U2) for external memory expansion; see the FSRAM schematic diagram in Figure 2-1. CS0 can be configured to use this memory bank as 16-bit program memory, data memory, or both. Additionally, CS0 can be configured to assign this memory’s size and starting address to any modulo address space. This memory bank will operate with one wait state access while the 56852 is running at 120MHz and can be disabled by removing the jumper at JG2. GS72116 56852 A0-A16 A0-A16 D0-D15 DQ0-DQ15 RD OE WR WE CS0 +3.3V Jumper Removed: Disable SRAM 1 2 Jumper Pin 1-2: Enable SRAM JG2 CE Figure 2-1. Schematic Diagram of the External CS0 Memory Interface 2.2.2 SRAM Bank 1 SRAM bank 1, which is controlled by CS1 and CS2, uses a 128Ku16-bit Fast Static RAM (GSI GS72116, labelled U3) for external memory expansion; see the FSRAM schematic diagram in Figure 2-2. Using CS1 and CS2, this memory bank can be configured as byte (8-bit) or word (16-bit) accessable program memory, data memory, or both. Additionally, CS1 and CS2 can be configured to assign this memory’s size and starting address to any modulo address space. Technical Summary, Rev. 3 Freescale Semiconductor 2-3 This memory bank will operate with one wait state access while the 56852 is running at 120MHz and can be disabled by removing the jumpers at JG1. GS72116 56852 A0-A16 A0-A16 D0-D15 DQ0-DQ15 OE RD WR JG1 CS1 1 2 CS2 3 4 WE LB HB CE Jumper Pin 1-2: Enable SRAM Low Byte Jumper Pin 3-4: Enable SRAM High Byte Figure 2-2. Schematic Diagram of the External CS1/CS2 Memory Interface DSP56852EVM User Manual, Rev. 3 2-4 Freescale Semiconductor SPI Serial EEPROM/Data FLASH Memory 2.3 SPI Serial EEPROM/Data FLASH Memory A 1M-bit +3.3V SPI serial EEPROM/Data FLASH Memory, Atmel AT45DB011B-SC, is provided on the 56852EVM, reference Figure 2-3. This memory connects directly to the SPI Port through a header on the 56852. It can be used to load program code and data into the 56852’s internal or external memory spaces. Jumper block JG6 is provided to allow the user to disconnect the on-board SPI EEPROM/Data FLASH from the SPI port and allow him to connect his own SPI port peripheral. Since the SPI port and ISSI port are multiplexed on the 56852, the SPI port jumpers need to be removed to use the ISSI port. The header details are shown in Table 2-1. Data FLASH Enable (SPI Port Connector) 56852 Serial EEPROM / Data FLASH MOSI/SRFS SDI MISO/SRCK SDO SCLK/STCK SCK SS/STFS/PC3 CS Figure 2-3. SPI EEPROM Memory Block Diagram Table 2-1. SPI Port Connector Description JG6 Pin # Signal Pin # Signal 1 SS/STFS/PC3 2 CS 3 MISO/SRCK 4 SDO 5 MOSI/SRFS 6 SDI 7 SCLK/STCK 8 SCK . Technical Summary, Rev. 3 Freescale Semiconductor 2-5 2.4 RS-232 Serial Communications The 56852EVM provides an RS-232 interface by the use of an RS-232 level converter, (Maxim MAX3245EEAI, designated as U6). Refer to the RS-232 schematic diagram in Figure 2-4. The RS-232 level converter transitions the SCI UART’s +3.3V signal levels to RS-232-compatible signal levels and connects to the host’s serial port via connector P6. Flow control is not provided, but could be implemented using uncommitted GPIO signals. The pinout of connector P6 is listed in Table 2-2. The RS-232 level converter/transceiver can be disabled by placing a jumper at JG8. RS-232 Level Converter Interface 56852 TXD T1in RXD R1out P6 T1out R1in +3.3V x FORCEOFF Jumper Removed: Enable RS-232 Jumper Pin 1-2: Disable RS-232 1 6 2 7 3 8 4 9 5 JG8 1 2 Figure 2-4. Schematic Diagram of the RS-232 Interface Table 2-2. RS-232 Serial Connector Description P6 Pin # Signal Pin # Signal 1 Jumper to 6 & 4 6 Jumper to 1 & 4 2 TXD 7 Jumper to 8 3 RXD 8 Jumper to 7 4 Jumper to 1 & 6 9 N/C 5 GND . DSP56852EVM User Manual, Rev. 3 2-6 Freescale Semiconductor Clock Source 2.5 Clock Source The 56852EVM uses a 4.00MHz crystal, Y1, connected to its External Crystal Inputs, EXTAL and XTAL. To achieve its 120MHz maximum operating frequency, the 56852 uses its internal PLL to multiply the input frequency by 30. An external oscillator source can be connected to the controller by using the oscillator bypass connectors, JG3 and JG4; see Figure 2-5. If the input frequency is above 4MHz, then the EXTAL input should be jumpered to ground by adding a jumper between JG4 pins 1 and 2. The input frequency would then be injected on JG3’s pin 2. If the controller needs to be synchronized to the codec’s sample frequency, then the controller’s input frequency should be jumpered using the 12.2280MHz codec frequency. If the input frequency is below 4MHz, then the input frequency can be injected on JG4’s pin 2. EXTERNAL OSCILLATOR HEADERS 56852 JG4 3 2 EXTAL 1 4.00MHz JG3 12.2880MHz 1 2 3 XTAL Figure 2-5. Schematic Diagram of the Clock Interface Technical Summary, Rev. 3 Freescale Semiconductor 2-7 2.6 Operating Mode The 56852EVM provides a boot-up MODE selection switch, S5. This switch is used to select the operating mode of the controller as it exits RESET. Refer to the DSP56852 User’s Manual for a complete description of the chip’s operating modes. Table 2-3 shows the two operation modes available on the 56852. Table 2-3. Operating Mode Selection Operating Mode S5 (ON) Comment 0 1–2, 3-4 & 5-6 1 3-4 & 5-6 Bootstrap from SPI 2 1-2 & 5-6 Normal Expanded mode 3 5-6 Bootstrap from External byte-wide memory Development Expanded mode 2.7 Debug LEDs Six on-board Light-Emitting Diodes, (LEDs), are provided to allow real-time debugging for user programs. These LEDs will allow the programmer to monitor program execution without having to stop the program during debugging; refer to Figure 2-6. Table 2-4 describes the control of each LED. Table 2-4. LED Control Controlled by User LED Port Signal LED1 Port A PA2 LED2 Port C PC4 LED3 Port C PC5 LED4 Port C PC3 LED5 Port E PE1 LED6 Port E PE0 Setting PA2, PC4, PC5, PC3, PE1 or PE0 to a Logic One value will turn on the associated LED. DSP56852EVM User Manual, Rev. 3 2-8 Freescale Semiconductor Debug Support 56852 INVERTING BUFFER +3.3V RED LED PA2 YELLOW LED PC4 GREEN LED PC5 RED LED PC3 YELLOW LED PE1 GREEN LED PE0 Figure 2-6. Schematic Diagram of the Debug LED Interface 2.8 Debug Support The 56852EVM provides an on-board Parallel JTAG Host Target Interface and a JTAG interface connector for external Target Interface support. Two interface connectors are provided to support each of these debugging approaches. These two connectors are designated the JTAG connector and the Host Parallel Interface Connector. Technical Summary, Rev. 3 Freescale Semiconductor 2-9 2.8.1 JTAG Connector The JTAG connector on the 56852EVM allows the connection of an external Host Target Interface for downloading programs and working with the 56852’s registers. This connector is used to communicate with an external Host Target Interface which passes information and data back and forth with a host processor running a debugger program. Table 2-5 shows the pin-out for this connector. Table 2-5. JTAG Connector Description J3 Pin # Signal Pin # Signal 1 TDI 2 GND 3 TDO 4 GND 5 TCK 6 GND 7 NC 8 KEY 9 RESET 10 TMS 11 +3.3V 12 NC 13 DE 14 TRST When this connector is used with an external Host Target Interface, the parallel JTAG interface should be disabled by placing a jumper in jumper block JG7. Reference Table 2-6 for this jumper’s selection options. Table 2-6. Parallel JTAG Interface Disable Jumper Selection JG7 Comment No jumpers On-board Parallel JTAG Interface Enabled 1–2 Disable on-board Parallel JTAG Interface DSP56852EVM User Manual, Rev. 3 2-10 Freescale Semiconductor Debug Support 2.8.2 Parallel JTAG Interface Connector The Parallel JTAG Interface Connector, P1, allows the 56852 to communicate with a Parallel Printer Port on a Windows PC; reference Figure 2-7. Using this connector, the user can download programs and work with the 56852’s registers. Table 2-7 shows the pin-out for this connector. When using the parallel JTAG interface, the jumper at JG7 should be removed, as shown in Table 2-6. Parallel JTAG Interface DB-25 Connector IN OUT OUT IN TDI TDO 56852 P_TRST IN OUT TDI TDO TRST TMS IN OUT TMS TCK IN OUT TCK P_RESET IN OUT RESET IN OUT DE P_DE +3.3V EN Jumper Removed: Enable JTAG I/F JG7 1 2 Jumper Pin 1-2: Disable JTAG I/F Figure 2-7. Block Diagram of the Parallel JTAG Interface Technical Summary, Rev. 3 Freescale Semiconductor 2-11 Table 2-7. Parallel JTAG Interface Connector Description P1 Pin # Signal Pin # Signal 1 NC 14 NC 2 PORT_RESET 15 PORT_IDENT 3 PORT_TMS 16 NC 4 PORT_TCK 17 NC 5 PORT_TDI 18 GND 6 PORT_TRST 19 GND 7 PORT_DE 20 GND 8 PORT_IDENT 21 GND 9 PORT_VCC 22 GND 10 NC 23 GND 11 PORT_TDO 24 GND 12 NC 25 GND 13 PORT_CONNECT DSP56852EVM User Manual, Rev. 3 2-12 Freescale Semiconductor External Interrupts 2.9 External Interrupts Two on-board push-button switches are provided for external interrupt generation, as shown in Figure 2-8. S1 allows the user to generate a hardware interrupt for signal line IRQA. S2 allows the user to generate a hardware interrupt for signal line IRQB. These two switches allow the user to generate interrupts for his user-specific programs. +3.3V 56852 10K S1 IRQA 0.1µF +3.3V 10K S2 IRQB 0.1µF Figure 2-8. Schematic Diagram of the User Interrupt Interface Technical Summary, Rev. 3 Freescale Semiconductor 2-13 2.10 Reset Logic is provided on the 56852 to generate an internal Power-On RESET. Additional, reset logic is provided to support the RESET signals from the JTAG connector, the Parallel JTAG Interface and the user RESET push-button; refer to Figure 2-9. JTAG_RESET RESET RESET PUSHBUTTON MANUAL RESET TRST JTAG_TAP_RESET Figure 2-9. Schematic Diagram of the RESET Interface DSP56852EVM User Manual, Rev. 3 2-14 Freescale Semiconductor Power Supply 2.11 Power Supply The main power input, +12.0V DC/AC, to the 56852EVM is through a 2.1mm coax power jack. An optional +5.0V DC power supply input is available through a 2-pin terminal block, TB1. A +12.0V DC 1.2A power supply is provided with the 56852EVM; however, less than 500mA is required by the EVM. The remaining current is available for user daughter card applications when connected to the daughter card interface. The power regulation on the 56852EVM provides +5.0V DC voltage regulation for the codec’s analog circuits and to the additonal voltage regulation logic on the EVM. The additonal voltage regulation logic provides +1.8V DC voltage regulation for the controller’s core and +3.3V DC voltage regulation for the controller’s I/O, memory, parallel JTAG interface and supporting logic; refer to Figure 2-10. Power applied to the 56852EVM is indicated with a Power-On LED, referenced as LED7. P2 +12.0V DC +5.0V Regulator Power Condition +5.0V DC Analog +3.3V Regulator +3.3V DC CODEC TB1 +5.0V DC 56852 GND 56852EVM PARTS +1.8V Regulator +1.8V DC 56852 CORE Figure 2-10. Schematic Diagram of the Power Supply Technical Summary, Rev. 3 Freescale Semiconductor 2-15 2.12 Stereo Codec A 16-bit audio quality stereo codec, Crystal Semiconductor CS4218, is connected to the 56852’s ISSI port to support audio, voice and signal analysis applications. The codec is clocked with a 12.288MHz oscillator. This allows the codec to operate between a sample frequency of 8KHz and 48KHz. The sample rate can be manually set by setting the appropriate switch positions on DIP switch S4. The sample rate selections possible using this three-position DIP switch are detailed in Table 2-8. The codec supports +3.3V digital levels, eliminating the need for voltage level translation circuitry. Additionally, a set of zero ohm resistors are provided on the EVM to allow a user to disconnect the on-board codec from the ISSI port and allow him to connect his own codec to the ISSI port; see Figure 2-12. The on-board codec has analog signal conditioning logic, allowing direct connection to its line level input and line level output signals through two 1/8” stereo jacks; reference Figure 2-11. Table 2-8. Codec Sample Rate Selector SW 4 Position 3 (MF6) SW 4 Position 2 (MF7) SW 4 Position 3 (MF8) Sample Rate ON ON ON 48.00KHz ON ON OFF 32.00KHz ON OFF ON 24.00KHz ON OFF OFF 19.20KHz OFF ON ON 16.00KHz OFF ON OFF 12.00KHz OFF OFF ON 9.60KHz OFF OFF OFF 8.00KHz DSP56852EVM User Manual, Rev. 3 2-16 Freescale Semiconductor Stereo Codec 2.12.1 Analog Input/Output The 56852EVM uses jacks for line-level stereo input, line-level stereo output and stereo headphone output. A National Semiconductor LM4880 provides the drive required for the use of headphones. This device offers a THD, which is superior by a factor of two to the CS4218’s on-chip headphone drive circuitry. The basic Analog codec connections are shown in Figure 2-11. CS4218 P3 Line-Level Input P4 RIN1 LOUTL LIN1 LOUTR Line-Level Output A A LM4880 P5 Headphone Output A Figure 2-11. Codec Analog Connections 2.12.2 Digital Interface The serial interface of the codec transfers digital audio data and control data into and out of the device. The ISSI port, which is multiplexed with the SPI port, consists of independent transmitter and receiver sections and is used for serial communication with the codec. On the controller side, the Serial Transmit Data pin, STXD, is an output when data is being transmitted to the codec. The Serial Receive Data pin, SRXD, is an input when data is being received from the codec. These two pins are connected to the codec’s Serial Data Input, SDIN, and Serial Data Output, SDOUT, pins. The controller’s Transmit Serial Clock pin, STCK, provides the serial bit rate clock for the ISSI interface. It is connected to the CODEC’s Serial Port Clock pin, SCLK. Data is transmitted on the rising edge of SCLK and is received on the falling edge of SCLK. The controller’s GPIO PORT C Bit 4 pin, PC4, is programmed to control the codec’s Active Low Reset signal, RESET. The Serial Transmit Frame Sync pin, STFS, is programmed to control the codec’s Frame Sync signal, FSYNC. This signal is sampled by SCLK, with a rising edge indicating a new frame is about to start. The FSYNC frequency is always the system’s sample rate. It may be an input to the codec, or it may be an output from the codec in data mode. Technical Summary, Rev. 3 Freescale Semiconductor 2-17 The basic codec digital connections are shown in Figure 2-12, Table 2-9 and Table 2-10. The codec’s MODE is set by the three MODE selection resistors, R66-R68. In the factory default setting of MODE 4, the codec is set to be the Master of the ISSI bus with its data word set at 32 bits per frame; i.e., 16 bits Left channel and 16 bits Right channel. The sample rate is selected on the Sample Rate Selector switch S4; see Table 2-8 for selection options. Codec control information is sent over a separate serial port using: PC5 as the Control Chip Select signal, CCS; PE0 as the Control Data Input signal, CDIN; and PE1 as the Control Clock signal, CCLK. CODEC Enable Logic 56852 CS4218 JG9 STXD 1 2 SDIN SRXD 3 4 SDOUT STCK 5 6 SCLK STFS 7 8 FSYNC PC4 9 10 RESET PC5 1 2 CCS PE0 3 4 CDIN PE1 5 6 CCLK JG10 Figure 2-12. CS4218 Stereo Audio Codec Table 2-9. SSI Port Connector Description JG9 Pin # Controller Signal Pin # Codec Signal 1 STXD 2 SDIN 3 SRXD 4 SDOUT 5 STCK 6 SCLK 7 STFS 8 FSYNC 9 PC4 10 RESET DSP56852EVM User Manual, Rev. 3 2-18 Freescale Semiconductor Daughter Card Connectors Table 2-10. GPIO Port Connector Description JG10 Pin # Controller Signal Pin # Codec Signal 1 PC5 2 CCS 3 PE0 4 CDIN 5 PE1 6 CCLK 2.13 Daughter Card Connectors The EVM board contains two daughter card expansion connectors. One connector, J1, contains the controller’s external memory bus signals. The other connector, J2, contains the controller’s peripheral port signals. 2.13.1 Memory Daughter Card Expansion Connector The controller’s external memory bus signals are connected to the Memory Daughter Card Expansion connector, J1. Table 2-11 shows the port signal-to-pin assignments. Table 2-11. Memory Daughter Card Connector Description J1 Pin # Signal Pin # Signal 1 A10 2 A11 3 A9 4 CS1 5 A8 6 A15 7 A7 8 A14 9 A20 10 A19 11 WR 12 A13 13 D0 14 A12 15 D1 16 D8 17 D2 18 D9 Technical Summary, Rev. 3 Freescale Semiconductor 2-19 Table 2-11. Memory Daughter Card Connector Description (Continued) J1 Pin # Signal Pin # Signal 19 GND 20 GND 21 D3 22 D10 23 D4 24 D11 25 D5 26 D12 27 D6 28 D13 29 A18 30 A17 31 D7 32 D14 33 CS0 34 D15 35 A0 36 RD 37 A1 38 A6 39 A16 40 GND 41 A2 42 A5 43 A3 44 A4 45 A19/CS3 46 CS2 47 +3.3V 48 +3.3V 49 GND 50 GND 51 +5.0V DSP56852EVM User Manual, Rev. 3 2-20 Freescale Semiconductor Daughter Card Connectors 2.13.2 Peripheral Daughter Card Expansion Connector The controller’s peripheral port signals are connected to the Peripheral Daughter Card Expansion connector, J2. Table 2-12 shows the port signal-to-pin assignments. Table 2-12. Peripheral Daughter Card Connector Description J2 Pin # Signal Pin # Signal 1 CS0/PA0 2 CS1/PA1 3 A20/CLKO 4 CS2/PA2 5 A17/TIO0 6 A18/TIO1 7 GND 8 GND 9 GND 10 GND 11 GND 12 GND 13 GND 14 GND 15 SRXD 16 CS0/PA0 17 MOSI/SRFS 18 CS1/PA1 19 SCK/SCLK 20 CS2/PA2 21 GND 22 GND 23 MOSI 24 GND 25 MISO 26 GND 27 GND 28 GND 29 SS 30 GND 31 MISO/SRCK 32 GND 33 SS/STFS 34 GND 35 RESET 36 GND 37 GND 38 GND 39 STXD 40 GND 41 SCK/STCK 42 GND Technical Summary, Rev. 3 Freescale Semiconductor 2-21 Table 2-12. Peripheral Daughter Card Connector Description (Continued) J2 Pin # Signal Pin # Signal 43 IRQB 44 RXD 45 IRQA 46 TXD 47 +3.3V 48 +3.3V 49 GND 50 GND 51 +5.0V 2.14 Test Points The 56852EVM board has a total of seven test points. Three digital GND test points are located in corners of the board. The +5.0VA and AGND test points are located in the analog corner of the board. The +1.8V and +3.3V test points are located in the power supply section of the board. DSP56852EVM User Manual, Rev. 3 2-22 Freescale Semiconductor Appendix A DSP56852EVM Schematics DSP56852EVM Schematics, Rev. 3 Freescale Semiconductor Appendix A-1 DSP56852EVM User Manual, Rev. 3 Appendix A-2 Freescale Semiconductor 1 2 3 4 A A / R E S ET TDI TDO TCK /TRST TMS /DE /RD /WR /CS0 /CS1 /CS2 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 D5 B7 A8 C6 D6 C7 B8 E2 E3 D2 D3 C3 G7 H7 H8 G8 H9 F8 F7 G6 E8 E7 E6 D8 D7 D9 C8 A9 E4 F2 F3 F4 F1 G3 G2 J1 H2 H3 J2 H4 G4 J3 F5 H5 E5 F6 G5 H6 J8 U1 RESET TDI TDO TCK TRST TMS DE RD WR B B6 B5 B1 G1 J6 J9 C9 A5 C1 H1 J7 G9 B9 A4 D1 J4 F9 E1 J5 E9 B4 D4 B2 A2 A3 B3 C4 C5 A1 C2 A7 A6 + 3 .3V +3.3V +1.8V RXD TXD STXD S R XD SCK /SS MISO MOSI /IRQA /IRQB XTAL EXTAL C C RXD TXD /SS MOSI MISO /CS2 PE0 PE1 PC3 B Size Title 13 11 9 5 3 PC4 PC5 1 PA2 2 4 6 8 10 12 GREEN LED L E D6 YELLOW LED L E D5 RED LED L E D4 GREEN LED L E D3 YELLOW LED L E D2 RED LED L E D1 270 R77 270 R76 270 R75 270 R74 270 R73 270 R72 +3.3V DSP56852EVM.DSN D Date: Thursday, January 10, 2002 Document Number E E of 10 1.4 Rev. FAX: (480) 413-2510 Sheet 1 (480) 413-5090 2100 East Elliot Road Tempe, Arizona 85284 DSP Standard Products Division Designer: DSPD Design DSP56852 Processor and DEBUG LEDS M C 74AC04AD U14F M C 74AC04AD U 1 4E M C 74AC04AD U14D M C 74AC04AD U14C M C 74AC04AD U 1 4B M C 74AC04AD U 1 4A D Figure A-1. 56852 Processor and Debug LEDs VSSA VDDA VSS1 VSS2 VSS3 VSS4 VSS5 VSS6 DSP56852VF120 CS0/PA0 CS1/PA1 CS2/PA2 A0 XTAL A1 EXTAL A2 A3 IRQA A4 IRQB A5 A6 STXD/PC0 A7 SRXD/PC1 A8 SCK/STCK/PC2 A9 SS/STFS/PC3 A10 MISO/SRCK/PC4 A11 MOSI/SRFS/PC5 A12 A13 A14 RXD/PE0 A15 TXD/PE1 A16 A17/TIO0 A18/TIO1 A19/CS3 A20/CLKOUT VDDC1 VDDC2 D0 VDDC3 D1 D2 D3 VSSC1 D4 VSSC2 D5 VSSC3 D6 D7 D8 D9 D10 VDD1 D11 VDD2 D12 VDD3 D13/MODEA VDD4 D14/MODEB VDD5 D15/MODEC VDD6 B 1 2 3 4 DSP56852EVM Schematics, Rev. 3 Freescale Semiconductor Appendix A-3 1 2 3 4 R85 10K VCC/2 R79 10K +3.3V A Y1 4.00MHz A +3.3V 3 2 3 2 DS1818 1 RST DS1818 GND Vcc U16 1 1 3 2 2 /POR A Size Title /POR XTAL EXTAL 10K R82 10K R81 10K R80 MODC MODB MODA S2 DSP56852EVM.DSN C Date: Thursday, January 10, 2002 Document Number S5 D 2 4 6 D13 D14 D15 D15 D14 D13 470K R41 470K R43 470K R86 +3.3V Sheet 2 E of 10 1.4 Rev. FAX: (480) 413-2510 2100 East Elliot Road Tempe, Arizona 85284 (480) 413-5090 Designer: D S P D D e s i g n D /IRQB /IRQA E DSP Standard Products Division C31 0.1uF R71 10K +3.3V C30 0.1uF R70 10K +3.3V Boot MODE Select 1 3 5 IRQB PUSHBUTTON S1 IRQA PUSHBUTTON RESET, CLOCK, BOOT MODE & IRQS C Figure A-2. Reset, Clock, Boot Mode & IRQs B C32 0.1uF R45 10K DNP +3.3V 3 1 JG3 OSC BYPASS RESET PUSHBUTTON S3 12.288MHZ R16 10M VCC/3 JG4 B 1 2 3 4 DSP56852EVM User Manual, Rev. 3 Appendix A-4 Freescale Semiconductor 1 2 3 4 /CS0 1 2 JG2 A A R62 1K /RD /WR A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 VSS VSS VDD VDD DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 DQ16 GS72116ATP-7 OE WE CE LB UB A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 12 34 11 33 7 8 9 10 13 14 15 16 29 30 31 32 35 36 37 38 B NC SRAM DISABLE A Size Title 1-2 JG2 SRAM ENABLE OPTION CS0 ENABLE JUMPER R63 1K 41 17 6 39 40 5 4 3 2 1 44 43 42 27 26 25 24 21 20 19 18 22 U2 /ECS2 /ECS1 10K R64 10K R61 +3.3V /CS1 /CS2 1 3 2 4 JG1 5 4 3 2 1 44 43 42 27 26 25 24 21 20 19 18 22 U3 VSS VSS VDD VDD DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 DQ16 GS72116ATP-7 OE WE CE LB UB A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 12 34 11 33 7 8 9 10 13 14 15 16 29 30 31 32 35 36 37 38 NC 1-2 NC 1-2 DSP56852EVM.DSN C Date: Sunday, October 06, 2002 Document Number NC NC 3-4 Sheet 3 E of 10 1.4 Rev. FAX: (480) 413-2510 2100 East Elliot Road Tempe, Arizona 85284 (480) 413-5090 Designer: DSPD Design D +3.3V 3-4 JG1 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 DSP Standard Products Division SRAM DISABLE SRAM LOWER BYTE ENABLE SRAM UPPER BYTE ENABLE SRAM WORD ENABLE OPTION CS1/CS2 ENABLE JUMPER R65 1K 41 17 6 / E C S 1 39 / E C S 2 40 /RD /WR A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 P R O G RAM [WORD] (CS0) and DATA [BYTE] (CS1/CS2) SRAM MEMORY +3.3V D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 E 128Kx16-bit Data Memory (CS1/CS2) D Figure A-3. Program [Word] (CS0) & Data [Byte] (CS1/CS2) SRAM Memory /ECS0 R60 10K +3.3V C 128Kx16-bit Program Memory (CS0) B 1 2 3 4 DSP56852EVM Schematics, Rev. 3 Freescale Semiconductor Appendix A-5 1 2 3 4 A A 5 MOSI JG6 8 6 4 2 1 EE_SI 2 8 EE_SO EE_SCK 4 /EE_CS DSP56852EVM.DSN C Date: Thursday, January 10, 2002 Document Number GND WP RESET VCC 7 5 3 6 /WP /RST +3.3V D D /WP /RST R59 R58 10K 10K +3.3V E E of 10 1.4 Rev. FAX: (480) 413-2510 Sheet 4 (480) 413-5090 2100 East Elliot Road Tempe, Arizona 85284 DSP Standard Products Division Designer: D S P D D e s i g n AT45DB011B-SC SCK SI SO CS U4 SPI Serial 1M E E P R O M M E M O R Y C Figure A-4. SPI Serial 1M-bit Serial EEPROM Memory A Size Title EEPROM Enable 7 3 MISO SCK 1 /SS B B 1 2 3 4 DSP56852EVM User Manual, Rev. 3 Appendix A-6 Freescale Semiconductor 1 2 3 4 1 - 2 RS-232 DISABLE A N/C TXD RXD RS-232 ENABLE RS-232 ENABLE A 1 2 JG8 JG5 1 3 A Size Title /EN 1 1 1 1 1 T2IN T3IN 22 23 20 19 18 17 16 15 14 13 12 2 24 1 28 GND V+ V- VCC INVALID R1IN R2IN R3IN R4IN R5IN T1OUT T2OUT T3OUT 21 4 5 6 7 8 9 10 11 1 T1 R2IN R3IN R4IN R5IN T2 T3 27 1 1 C28 1.0 uF 3 25 C27 1.0 uF 26 +3.3V DSP56852EVM.DSN C Date: Thursday, January 10, 2002 Document Number SCI PORT, RS-232 AND CONNECTOR MAX3245EEAI FORCEOFF FORCEON R2OUTB R1OUT R2OUT R3OUT R4OUT R5OUT T1IN T2IN T3IN C2- C1C2+ C1+ U6 C P6 DCD DSR TXD CTS RXD RTS DTR RI GND D R5IN R4IN R3IN R2IN T3IN T2IN /EN E R57 R56 R55 R54 R53 R51 R50 1K 1K 1K 1K 1K 1K 1K +3.3V E of 10 1.4 Rev. FAX: (480) 413-2510 Sheet 5 (480) 413-5090 2100 East Elliot Road Tempe, Arizona 85284 DSP Standard Products Division SCI RS-232 CONNECTOR 1 6 2 7 3 8 4 9 5 Designer: D S P D D e s i g n D Figure A-5. SCI Port, RS-232 and Connector B R52 1K T5 T6 T7 T8 T4 C29 1.0 uF C26 1.0 uF TX RX +3.3V 2 4 B 1 2 3 4 DSP56852EVM Schematics, Rev. 3 1 2 3 4 Line-Input Stereo Jack 1/8" P3 3 11 10 2 1 A + 3 .3V TIP_IN RING_IN A MOSI RXD TXD STXD S R XD SCK /SS MISO 1K R32 JG9 1 3 5 2 4 6 2 4 6 8 10 J G 10 1 3 5 7 9 GND EN OUT 5 /CCS CDIN CCLK M O D E3 DNP M O D E2 M O D E1 Mode Select 0 Ohm R68 0 Ohm R67 0 Ohm R66 1K R33 12.288MHZ C11 4 7 0pF C9 4 7 0pF CODEC_SDIN C O D E C _ S D O UT C O D E C _ S C LK CODEC_FSYNC / C O D E C _ R E SET SERIAL MODE 4 SELECTED MASTER, 32BITS PER FRAME PC5 PE0 PE1 STCK STFS PC4 U11 VCC 1 2 . 2 8 8 M HZ OSC 4 1 8 R23 5.62K 1% R20 5.62K 1% + 3 .3V 5.62K 1% R25 5.62K 1% R19 C13 0.33uF C8 0.33uF B B 14 C18 0.47uF S4 1 1 0 1 43 42 16 15 8.00 9.60 12.00 16.00 19.20 C20 0.1uF C LOUT ROUT +3.3V MODE3 MODE2 MODE1 MF6 MF7 MF8 MF5 /CCS CCLK CDIN MF1 L O UT ROUT + 1uF 25V C23 1uF 25V C21 C19 4 7 uF 10VDC C14 0.0022uF C25 1uF 25V 20.0K 1% R44 20.0K 1% R42 B Size Title 5 3 2 6 GND VDD OUT_A OUT_B LM4880M SHUTDN BYPASS IN_A IN_B U12 2 0 .0K 1% R39 2 0 .0K 1% R37 R27 3 9 .2K 1% D 4 8 1 7 +5.0VA R28 39.2K 1% TIP_OUT RING_OUT 3 11 10 2 1 DSP56852EVM.DSN D Date: Thursday, January 10, 2002 Document Number SSI 16-BIT STEREO CODEC SHUTDN BYPASS C15 0.0022uF C12 1uF 25V C10 1uF 25V Figure A-6. SSI 16-Bit Stereo Codec 1 1 1 0 1 0 1 1 0 1 0 1 0 0 32.00 1 0 24.00 48.00 0 0 0 MF8 GND VDD REFGND REFBY 35 26 23 28 25 24 32 30 29 33 34 10 9 FS (KHZ) 5 3 1 WF6 WF7 WF8 MF5 MF4 MF3 MF2 MF1 LOUT ROUT SWODE3 SWODE2 SWODE1 C S 4218-KQ GNDA VDDA Sample Select 6 4 2 MF7 MF6 MF7 MF8 17 18 CLKIN RESET PDN SSYNC SCLK SDOUT SDIN REFBUF LIN2 RIN2 LIN1 RIN1 0 MF6 +5.0VA 41 40 7 39 38 37 36 22 C17 0.47uF 1 2 .288MHZ / C O D E C _ R E SET /PDN CODEC_FSYNC C O D E C _ S C LK C O D E C _ S D O UT CODEC_SDIN 20 C16 0.47uF 21 19 U5 C + + Freescale Semiconductor Appendix A-7 TIP_PHN RING_PHN 1/8" Headphone Out Stereo Jack P5 10K 10K R35 10K R34 10K R31 10K R30 10K R29 10K R26 10K R24 10K R22 MF1 10K R38 10K SHUTDN R36 MF5 /CCS MF8 MF7 MF6 MODE3 MODE2 MODE1 /PDN R21 +3.3V E of 10 1.4 Rev. FAX: (480) 413-2510 Sheet 6 (480) 413-5090 2100 East Elliot Road Tempe, Arizona 85284 DSP Standard Products Division 3 11 10 2 1 Designer: DSPD Design C24 4 7 uF 10VDC C22 4 7 uF 10VDC 1/8" Line Out Stereo Jack P4 E 1 2 3 4 DSP56852EVM User Manual, Rev. 3 1 2 3 4 A A P_RESET 5.1K R14 DB25M 13 12 11 10 9 8 7 6 5 4 3 2 1 B E 2N2222A C B Q1 2N2222A / J _ R E SET R13 5.1K +3.3V P O R T _ C O N NECT P O RT_TDO P O R T _ VCC P O R T _DE / P O RT_TRST P O R T _ TDI P O RT_TCK PORT_TMS P O RT_RESET /J_TRST /POR / J _ R E SET 10 9 2 1 7 4 AC00 U10C 7 4 AC00 U10A 51 Oh m R11 51 Oh m R10 270 R8 270 R7 270 R6 270 R5 270 R4 C 8 3 JG7 + 3 .3V 13 12 5 4 7 4 AC00 U10D 7 4 AC00 U 1 0B B Size Title 11 6 T9 /TRST /RESET R12 5.1K 1 20 1 19 3 5 7 11 8 6 4 2 GND 2A4 2A3 2A2 2Y1 1Y4 1Y3 1Y2 1Y1 TCK TDO TDI /DE 10 17 15 13 9 12 14 16 18 + 3 .3V MC74LCX244D W VCC 1G 2G 2Y4 2Y3 2Y2 2A1 1A4 1A3 1A2 1A1 U9 D 13 11 9 7 5 3 1 J3 14 12 10 8 6 4 2 R9 5.1K KEY /J_TRST TMS /J_TRST TDI TCK /DE TMS TDO DSP56852EVM.DSN D Date: Thursday, January 10, 2002 Document Number 47K R18 47K R84 47K R83 5.1K R48 47K R78 47K R17 +3.3V (480) 413-5090 Designer: DSPD Design E Sheet 7 of 10 1.4 Rev. FAX: (480) 413-2510 2100 East Elliot Road Tempe, Arizona 85284 DSP Standard Products Division JTAG Connector / J _ R E SET +3.3V TDO P _ DE /J_TRST TDI TCK TMS P_RESET E PARALLEL JTAG HOST TARGET INTERFACE AND JTAG CONNECTOR On-Board Host Target Interface Disable Parallel JTAG Interface C Figure A-7. Parallel JTAG Host Target Interface and JTAG Connector R15 47K 25 24 23 22 21 20 19 18 17 16 15 14 P1 P O R T _ I DENT B 2 1 Appendix A-8 Freescale Semiconductor 1 2 3 4 DSP56852EVM Schematics, Rev. 3 Freescale Semiconductor Appendix A-9 1 2 3 4 GND A GND GND GND /PS GND A D3 D4 D5 D6 A18 D7 /CS0 A0 A1 A16 A2 A3 A19 A10 A9 A8 A7 A20 /WR D0 D1 D2 GND /CS3 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 GND GND GND +3.3V GND GND GND /DS STCK SRCK STFS SRFS SCLK PB0 CLKO GND STXD SCK /IRQB /IRQA /SS MISO /SS /RESET MOSI MISO SRXD MOSI SCK /CS0 A20 A17 GND GND GND GND TIO0 GND GND GND GND DSP56852EVM.DSN C Date: Thursday, January 10, 2002 Document Number 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 J2 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 GND PA1 PA2 TIO1 GND GND GND GND PA0 PA1 PA2 GND GND GND GND GND GND GND GND GND GND GND +3.3V RXD1 TXD1 PD4 PD5 PD6 PD7 PD2 PD3 PB6 PB4 PB7 PD0 PD1 PB1 PB2 GND Sheet 8 E of 10 1.4 Rev. FAX: (480) 413-2510 2100 East Elliot Road Tempe, Arizona 85284 (480) 413-5090 Designer: D S P D D e s i g n D RXD TXD /CS0 /CS1 /CS2 /CS1 /CS2 A18 E DSP Standard Products Division Daughter Peripheral Port Connector +5.0V +3.3V PB5 PB3 D PA0 D A U G H T E R CARD EXPANSION CONNECTORS A5 A4 /CS2 D10 D11 D12 D13 A17 D14 D15 /RD A6 A11 /CS1 A15 A14 A19 A13 A12 D8 D9 C Figure A-8. Daughter Card Expansion Connectors B A Size Title Daughter Address/Data Connector +5.0V +3.3V GND 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 J1 B 1 2 3 4 DSP56852EVM User Manual, Rev. 3 1 2 3 4 3 L3 D4 A +5.0V + 1 FERRITE BEAD L4 FERRITE BEAD 1 2 TB1 LED7 R3 270 +3.3V + - 2 - 1 POWER GOOD LED +5.0V +5VDC INPUT 2 P2 EXTERNAL POWER INPUT 7-12VDC/AC A 3 4 Appendix A-10 Freescale Semiconductor +5.0VA 1 3 2 3 MC33269 1 4 B 5.0V, 3.3V & Adj REGULATOR C6 0.1uF + C1 470uF 16VDC B VOUT VOUT 2 A C2 0.1uF + 3 3 C VOUT VOUT MC33269DT-ADJ GND DSP56F852EVM.DSN 1 FM4001 D2 U8 VIN VOUT VOUT MC33269DT-3.3 GND VIN Date: Thursday, January 10, 2002 Document Number P O W ER SUPPLIES C7 47uF 10VDC C4 0.1uF 1 Figure A-9. Power Supplies Size Title 4 U7 FM4001 FM4001 +5.0V D1 D3 MC33269DT-5 GND VIN U13 C R1 243 1% D L1 + + VCC C5 47uF 10VDC C3 47uF 10VDC E E of 10 1.4 Rev. FAX: (480) 413-2510 Sheet 9 (480) 413-5090 2100 East Elliot Road Tempe, Arizona 85284 DSP Standard Products Division Rlow = 107 1% for 1.8V Rlow = 243 1% for 2.5V Rlow = 127 1% for 1.9V +1.8V +3.3V Vout = 1.25( 1 + (Rlow/Rhigh)) FERRITE BEAD L2 FERRITE BEAD Designer: D S P D D e s i g n Rlow R2 107 1% Rhigh 4 2 4 2 D 1 2 3 4 DSP56852EVM Schematics, Rev. 3 1 2 3 4 C33 0.01uF +3.3V C45 0.01uF +3.3V +3.3V A C55 0.01uF +3.3V CS4218 +3.3V GS72116 +3.3V C56 0.1uF C46 0.1uF C34 0.1uF +3.3V C36 0.1uF +3.3V OSC +3.3V C57 0.01uF C47 0.01uF C48 0.1uF +3.3V B C58 0.1uF +5.0VA +3.3V C38 0.1uF A Size Title +5.0VA TP2 +3.3V +3.3V C51 0.1uF 74AC00 C41 0.01uF C C42 0.1uF C52 0.01uF D +3.3V 1 1 1 DNP D TP4 E of 10 1.4 Rev. FAX: (480) 413-2510 Sheet 1 0 (480) 413-5090 2100 East Elliot Road Tempe, Arizona 85284 DSP Standard Products Division +1.8V TEST POINT TP5 +1.8V C54 0.1uF E +3.3V +3.3V 74LCX244 C44 0.1uF +3.3V TEST POINT C53 0.1uF MAX3245 Designer: D S P D D e s i g n TP7 TP6 TP1 C43 0.01uF +3.3V Near VDDA +3.3V GROUND TEST POINT +3.3V DS1818 +1.8V DSP56852EVM.DSN TP3 ANALOG GROUND TEST POINT C50 0.1uF C40 0.1uF +1.8V Date: Thursday, January 10, 2002 Document Number BYPASS CAPS +5.0VA TEST POINT C49 0.01uF C39 0.01uF +1.8V 74AC04 +1.8V Figure A-10. Bypass Caps +3.3V AT45DB011 C37 0.01uF LM4880 +3.3V GS72116 C35 0.01uF +3.3V DSP56852 1 C 1 B 1 A 1 Freescale Semiconductor Appendix A-11 1 2 3 4 DSP56852EVM User Manual, Rev. 3 Appendix A-12 Freescale Semiconductor Appendix B DSP56852EVM Bill of Material Qty Description Ref. Designators Vendor Part #s Integrated Circuits 1 DSP56852 U1 2 GS72116 1 AT45DB011 U4 Atmel, AT45DB011B-SC 1 CS4218 U5 Crystal Semiconductor, CS4218-KQ 1 MAX3245 U6 Maxim, MAX3245EEAI 1 +3.3V Voltage Regulator U7 ON Semiconductor, MC33269DT-3.3 1 +1.8V Voltage Regulator U8 ON Semiconductor, MC33269DT-ADJ 1 74LCX244 U9 ON Semiconductor, MC74LCX244ADW 1 74AC00 U10 Fairchild, 74AC00SC 1 12.288MHz OSC U11 Epson, SG-531P-12.288MC 1 LM4880 U12 National Semiconductor, LM4880M 1 +5.0V Voltage Regulator U13 ON Semiconductor, MC33269DT-5 1 74AC04 U14 ON Semiconductor, MC74AC04AD 1 DS1818 U16 Dallas Semiconductor, DS1818 U2, U3 Freescale, DSP56852VF120 GSI, GS72116ATP-7 Resistors 1 : R1 SMEC, RC73L243OHMFT 1 107 : R2 SMEC, RC73L107OHMFT 12 270 : R3 - R8, R72 - R77 SMEC, RC73L2A270OHMJT 2 51 : R10, R11 SMEC, RC73L2A51OHMJT DSP56852EVM Bill of Material, Rev. 3 Freescale Semiconductor Appendix B-1 Qty Description Ref. Designators Vendor Part #s Resistors (Continued) 5 5.1K : R9, R12 - R14, R48 SMEC, RC73L2A5.1KOHMJT 6 47K : R15, R17, R18, R78, R83, R84 SMEC, RC73L2A47KOHMJT 1 10M : R16 SMEC, RC73L2A10MOHMJT 4 5.62K : 23 10K : 2 39.2K : 13 1K : 4 20.0K : 3 470K : R41, R43, R86 SMEC, RC73L2A470KOHMJT 0 10K : R45 SMEC, RC73L2A10KOHMJT 2 : R66, R67 SMEC, RC73JP2A 0 : R68 SMEC, RC73JP2A R19, R20, R23, R25 R21, R22, R24, R26, R29 R31, R34-R36, R38, R58-R61, R64, R70, R71, R79 - R82, R85 R27, R28 SMEC, RC73L2A5.62KOHMFT SMEC, RC73L2A10KOHMJT SMEC, RC73L2A39.2KOHMFT R32, R33, R50-R57, R62, R63, R65 SMEC, RC73L2A1KOHMJT R37, R39, R42, R44 SMEC, RC73L20.0KOHMFT Inductors 4 1.0mH FERRITE BEAD L1 - L4 Panasonic, EXC-ELSA35V LEDs 2 Red LED LED1, LED4 Hewlett-Packard, HSMS-C650 2 Yellow LED LED2, LED5 Hewlett-Packard, HSMY-C650 3 Green LED LED3, LED6, LED7 Hewlett-Packard, HSMG-C650 Diode 1 S2B-FM401 D1 Vishay, DL4001DICT 1 +50V 1A BRIDGE RECT D2 DIODES, DF02S DSP56852EVM User Manual, Rev. 3 Appendix B-2 Freescale Semiconductor Qty Description Ref. Designators Vendor Part #s Capacitors 1 470PF, +16V DC C1 ELMA, RV-16V471MH10R 21 0.1PF C2, C4, C6, C20, C30 - C32, C34, C36, C38, C40, C42, C44, C46, C48, C50, C51, C53, C54, C56, C58 SMEC, MCCE104K2NR-T1 6 47PF, +16V DC 2 0.33PF C8, C13 SMEC, MCCE334K3NR-T1 2 470pF C9, C11 SMEC, MCCE471J2NO-T1 9 1.0PF, +25V DC C10, C12, C21, C23, C25 - C29 SMEC, MCCE105K3NR-T1 2 0.0022PF C14, C15 SMEC, MCCE222K2NR-T1 3 0.47PF C16 - C18 SMEC, MCCE474K3NR-T1 12 0.01PF C33, C35, C37, C39, C41, C43, C45, C47, C49, C52, C55, C57 SMEC, MCCE103K2NR-T1 C3, C5, C7, C19, C22, C24 ELMA, RV2-16V470M-R Jumpers 3 1 u 2, 2mm Header JG2, JG7, JG8 SAMTEC, TMM-102-02-S-S 2 3 u 1, 2mm Header JG3, JG4 SAMTEC, TMM-103-02-S-S 1 4 u 2, 2mm Header JG6 SAMTEC, TMM-104-02-S-D 2 2 x 2, 2mm Header JG1, JG5 SAMTEC, TMM-102-02-S-D 1 5 x 2, 2mm Header JG9 SAMTEC, TMM-105-02-S-D 1 3 x 2, 2mm Header JG10 SAMTEC, TMM-103-02-S-D Test Points 4 Black Test Point TP1, TP3, TP6, TP7 Keystone, 5001 1 Red Test Point TP2 Keystone, 5000 1 White Test Point TP4 Keystone, 5002 1 Yellow Test Point TP5 Keystone, 5004 Crystals 1 4.00MHz Crystal Y1 CTS, ATS04ASM-T DSP56852EVM Bill of Material, Rev. 3 Freescale Semiconductor Appendix B-3 Qty Description Ref. Designators Vendor Part #s Connectors 1 DB25M Connector P1 AMPHENOL, 617-C025P-AJ121 1 2.1mm coax Power Connector P2 Switchcraft, RAPC-722 3 1/8” Stereo Jack P3 - P5 1 DE9S Connector P6 2 51-Pin HD Connector 1 7 x 2 Bergstick 1 2-Pin Terminal Block J1, J2 J3 TB1 Switchcraft, 35RAPC4BHN2 AMPHENOL, 617-C009S-AJ120 BERG, 91930-21151 SAMTEC, TSW-107-07-S-D On-Shore Technology, ED500/2DS Switches 3 SPST Pushbutton S1 - S3 Panasonic, EVQ-PAD05R 2 3-Position DIP SW S4, S5 CTS, 209-3LPST Transistors 1 2N2222A Q1 ZETEX, FMMT2222ACT Miscellaneous 19 2mm Shunt SH1 - SH19 4 Rubber Feet RF1 - RF4 Samtec, 2SN-BK-G 3M, SJ5018BLKC DSP56852EVM User Manual, Rev. 3 Appendix B-4 Freescale Semiconductor INDEX C H Clock Source 2-7 Codec Preface-ix Codec sample rate selector 2-2 Connecting the DSP56852EVM Cables 1-4 Connectors Memory Daughter Card Expansion 2-19 Host Parallel Interface Connector 2-9 Host Target Interface 2-9 D Daughter Card Connectors 2-19 Daughter Card Expansion interface 2-1 Debugging 2-8 DSP Preface-ix DSP56852EVM 1 M-bit Serial EEPROM/Data FLASH 2-1 12.0V DC power supply 2-15 128Kx16-bit of data memory (U3) 2-1 128Kx16-bit of memory (U2) 2-1 16-bit 1.8V/3.3V Digital Signal Processor 2-1 16-bit stereo codec interface 2-1 4.00MHz crystal oscillator 2-1 external oscillator frequency input 2-1 FSRAM 2-1 ISSI compatible peripheral 2-2 JTAG port interface 2-1 On-board power regulation 2-2 Parallel JTAG Host Target Interface 2-1 real-time debugging 2-8 RS-232 interface 2-1 SCI compatible peripheral 2-2 test points 2-22 I IC Preface-ix ISSI Preface-ix J JTAG Preface-ix, 1-1, 2-1 connector 2-10 Jumper Group 1-3 JG1 1-3 JG10 1-3 JG2 1-3 JG3 1-3 JG4 1-3 JG5 1-3 JG6 1-3 JG7 1-3 JG8 1-3 JG9 1-3 L LED Preface-ix M MBGA Preface-ix MPIO Preface-ix E O EEPROM Preface-ix EOnCE Preface-ix EVM Preface-ix Operating Mode 2-8 F PCB Preface-ix PLL Preface-ix FSRAM 2-3 P G GPIO Preface-ix, 2-2 Index, Rev. 3 Freescale Semiconductor Index - 1 R RAM Preface-ix ROM Preface-ix RS-232 interface 2-1, 2-6 level converter 2-6 schematic diagram 2-6 RS-232 Serial Communications 2-6 S SCI Preface-ix SPI Preface-x, 2-2 SRAM Preface-x external data 2-1 external program 2-1 SSI Preface-x stereo 16-bit codec interface 2-1 Stereo headphone interface 2-1 W WS Preface-x DSP56852EVM User Manual, Rev. 3 Index - 2 Freescale Semiconductor How to Reach Us: Home Page: www.freescale.com E-mail: [email protected] USA/Europe or Locations Not Listed: Freescale Semiconductor Technical Information Center, CH370 1300 N. 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Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. This product incorporates SuperFlash® technology licensed from SST. © Freescale Semiconductor, Inc. 2005. All rights reserved. DSP56827EVMUM Rev. 3 07/2005