Freescale Semiconductor 56852 Manuale utente

56F850

16-bit Digital Signal Controllers

freescale.com

56852

Evaluation Module User Manual

DSP56852EVMUM

Rev. 3

07/2005

TABLE OF CONTENTS

Table of Contents, Rev. 3

Freescale Semiconductor i

Preface vii

Chapter 1

Introduction

1.1 56852EVM Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

1.2 56852EVM Configuration Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

1.3 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

DSP56852EVM User Manual, Rev. 3

ii Freescale Semiconductor

Appendix A

DSP56852EVM Schematics

Appendix B

DSP56852EVM Bill of Material

LIST OF FIGURES

List of Figures, Rev. 3

Freescale Semiconductor iii

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

DSP56852EVM User Manual, Rev. 3

iv Freescale Semiconductor

LIST OF TABLES

List of Tables, Rev. 3

Freescale Semiconductor v

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

DSP56852EVM User Manual, Rev. 3

vi Freescale Semiconductor

Preface, Rev. 3

Freescale Semiconductor vii

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

DSP56852EVM User Manual, Rev. 3

viii Freescale Semiconductor

Conventions

This manual uses the following notational conventions:

Term or Value Symbol Examples Exceptions

Active High Signals

(Logic One)

No special symbol

attached to the signal

name

CLKO

Active Low Signals

(Logic Zero)

Noted with an

overbar in text and in

most figures

In schematic drawings,

Active Low Signals may be

noted by a backslash: /WE

Hexadecimal Values Begin with a “$” sym-

bol

$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

-10

Voltage is often shown as

positive: +3.3V

Blue Text Linkable on-line ...refer to Chapter 7,

License

Bold Reference sources,

paths, emphasis

...see:

www.freescale.com

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