Freescale Semiconductor 56F827 Manuale utente

56F800

16-bit Digital Signal Controllers

freescale.com

56F827

Evaluation Module User Manual

DSP56F827EVMUM

Rev. 2

07/2005

TABLE OF CONTENTS

Table of Contents, Rev. 2

Freescale Semiconductor i

Preface vii

Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

Suggested Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

Notation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii

Definitions, Acronyms, and Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix

References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x

Chapter 1

Introduction

1.1 56F827EVM Architecture. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

1.2 56F827EVM Configuration Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

1.3 56F827EVM Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Chapter 2

Technical Summary

2.1 56F827. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

2.2 Program and Data Memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

2.3 SPI EEPROM Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

2.4 RS-232 Serial Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

2.5 Clock Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

2.6 Operating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

2.7 Debug LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8

2.8 Debug Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8

2.8.1 JTAG Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

2.8.2 Parallel JTAG Interface Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

2.9 External Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12

2.10 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

2.11 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

2.12 Stereo Codec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

2.12.1 Analog Input/Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16

2.12.2 Digital Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16

2.13 Daughter Card Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17

2.13.1 Memory Daughter Card Expansion Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17

2.13.2 Peripheral Daughter Card Expansion Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18

56F827EVM User Manual, Rev. 2

ii Freescale Semiconductor

2.14 SCI Port #2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20

2.15 Test Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20

Appendix A

56F827EVM Schematics

Appendix B

56F827EVM Bill of Material

LIST OF FIGURES

List of Figures, Rev. 2

Freescale Semiconductor iii

1-1 Block Diagram of the 56F827EVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

1-2 56F827EVM Jumper Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

1-3 Connecting the 56F827EVM Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

2-1 Schematic Diagram of the External Memory Interface. . . . . . . . . . . . . . . . . . . . . . . 2-3

2-2 SPI EEPROM Memory Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

2-3 Schematic Diagram of the RS-232 Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

2-4 Schematic Diagram of the Clock Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

2-5 Schematic Diagram of the Debug LED Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8

2-6 Block Diagram of the Parallel JTAG Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

2-7 Schematic Diagram of the User Interrupt Interface. . . . . . . . . . . . . . . . . . . . . . . . . 2-12

2-8 Schematic Diagram of the RESET Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

2-9 Schematic Diagram of the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

2-10 Codec Analog Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15

2-11 CS4218 Stereo Audio Codec. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16

56F827EVM User Manual, Rev. 2

iv Freescale Semiconductor

LIST OF TABLES

List of Tables, Rev. 2

Freescale Semiconductor v

1-1 56F827EVM Default Jumper Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

2-1 SPI Port Connector Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

2-2 RS-232 Serial Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

2-3 Operating Mode Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

2-4 JTAG Connector Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

2-5 Parallel JTAG Interface Disable Jumper Selection . . . . . . . . . . . . . . . . . . . . . . . 2-9

2-6 Parallel JTAG Interface Connector Description . . . . . . . . . . . . . . . . . . . . . . . . 2-11

2-7 Codec Sample Rate Selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15

2-8 Memory Daughter Card Connector Description . . . . . . . . . . . . . . . . . . . . . . . . 2-17

2-9 Peripheral Daughter Card Connector Description . . . . . . . . . . . . . . . . . . . . . . . 2-19

2-10 SCI Port #2 Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20

56F827EVM User Manual, Rev. 2

vi Freescale Semiconductor

Preface, Rev. 2

Freescale Semiconductor vii

Preface

This reference manual describes in detail the hardware on the 56F827 Evaluation Module.

Audience

This document is intended for application developers who are creating software for

devices using the 56F827 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 56F827 hardware.

•Appendix A, "56F827EVM Schematics" contains the schematics of the

DSP56F827EVM.

•Appendix B, 56F827EVM Bill of Material - provides a list of the materials used on the

DSP56F827EVM board.

Suggested Reading

More documentation on the 56F827 and the DSP56F827EVM kit may be found at URL:

www.freescale.com

DSP56F827EVM User Manual, Rev. 2

viii Freescale Semiconductor

Notation 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 “$” 

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

-10

Voltage is often shown as

positive: +3.3V

Blue Text Linkable on-line ...refer to

Figure 1-1

Bold Reference sources,

paths, emphasis

...see:

http://www.freescale.com/...

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