Freescale Semiconductor 56F827 User manual

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
A0
CLKO
Active Low Signals
(Logic Zero)
Noted with an
overbar in text and
in most figures
WE
OE
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
10
34
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
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/...