Motorola DSP56F801 Instructions for use

© Motorola, Inc., 2001. All rights reserved.
Semiconductor Products Sector
DSP56F801 Evaluation Module
Hardware User’s Manual
Order this document by
DSP56F801EVMUM/D
Rev. 0, 05/17/2001

Table of Contents i
Preface
Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vii
Organization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Suggested Reading. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Notation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii
Definitions, Acronyms, and Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Chapter 1
Introduction
1.1 DSP56F801EVM Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1.2 DSP56F801EVM Configuration Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1.3 DSP56F801EVM Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Chapter 2
Technical Summary
2.1 DSP56F801 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.2 RS-232 Serial Communications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2.3 Clock Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2.4 Debug LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2.5 Debug Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
2.5.1 JTAG Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
2.5.2 Parallel JTAG Interface Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
2.6 External Interrupt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2.7 Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
2.8 Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
2.9 UNI-3 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
2.10 Speed Up/Down Switches and Run/Stop Switch. . . . . . . . . . . . . . . . . . . . . . . . 2-13
2.11 Motor Control PWM Signals and LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
2.12 Motor Protection Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
2.12.1 UNI-3 Motor Protection Logic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
2.13 Back-EMF and Motor Phase Current Sensing. . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
2.14 Quadrature Encoder/Hall-Effect Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
2.15 Zero-Crossing Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Table of Contents

ii DSP56F801EVM Hardware User’s Manual 
2.16 Peripheral Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
2.16.1 External Control Signal Expansion Connector . . . . . . . . . . . . . . . . . . . . . . 2-19
2.16.2 Timer Channel D Expansion Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
2.16.3 A/D Port Expansion Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
2.16.4 Serial Communications Port Expansion Connector. . . . . . . . . . . . . . . . . . . 2-20
Appendix A
DSP56F801EVM Schematics
Appendix B
DSP56F801EVM Bill of Material

List of Figures iii
1-1 Block Diagram of the DSP56F801EVM . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1-2 DSP56F801EVM Jumper Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1-3 Connecting the DSP56F801EVM Cables. . . . . . . . . . . . . . . . . . . . . . . . . 1-4
2-1 Block Diagram of the RS-232 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2-2 Block Diagram of the Clock Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2-3 Block Diagram of the Debug LED Interface . . . . . . . . . . . . . . . . . . . . . . 2-5
2-4 Block Diagram of the Parallel JTAG Interface. . . . . . . . . . . . . . . . . . . . . 2-7
2-5 Block Diagram of the User Interrupt Interface. . . . . . . . . . . . . . . . . . . . . 2-8
2-6 Block Diagram of the RESET Interface . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
2-7 Block Diagram of the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
2-8 RUN/STOP and General Purpose Switches . . . . . . . . . . . . . . . . . . . . . . 2-13
2-9 PWM Interface and LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
2-10 FAULT0 Selection Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
2-11 Back-EMF or Motor Phase Current Sense Signals. . . . . . . . . . . . . . . . . 2-17
2-12 Zero-Crossing Encoder Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
A-1 DSP56F801 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2
A-2 RESET, MODE, CLOCK, IRQ AND RUN/STOP SWITCH . . . . . . . . .A-3
A-3 DSP56F801 PWM LEDS AND USER LED . . . . . . . . . . . . . . . . . . . . . . A-4
A-4 RS-232 AND SCI CONNECTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-5
A-5 PARALLEL JTAG HOST TARGET INTERFACE AND JTAG
CONNECTOR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-6
A-6 OVER VOLTAGE/CURRENT DETECTORS &
BACK-EMF/PHASE-CURRENT INPUT SELECTORS . . . . . . . . . A-7
A-7 HALL-EFFECT/ZERO-CROSSING AND PFC SELECTION. . . . . . . .A-8
A-8 UNI-3 INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-9
A-9 PORT TIMER D, A/D, SPI, SCI, PWM AND CONTROL LINE
CONNECTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-10
A-10 POWER SUPPLIES +3.3V AND +5.0V . . . . . . . . . . . . . . . . . . . . . . . .A-11
A-11 BYPASS CAPACITORS AND SPARE GATES. . . . . . . . . . . . . . . . . .A-12
List of Figures

iv DSP56F801EVM Hardware User’s Manual 

List of Tables v
1-1 DSP56F801EVM Default Jumper Options. . . . . . . . . . . . . . . . . . . . . . . . 1-3
2-1 RS-232 Serial Connector Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2-2 JTAG Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
2-3 Parallel JTAG Interface Disable Jumper Selection. . . . . . . . . . . . . . . . . . 2-6
2-4 Parallel JTAG Interface Connector Description. . . . . . . . . . . . . . . . . . . . 2-7
2-5 UNI-3 Connector Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
2-6 FAULT0 Source Selection Jumper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
2-7 External Control Signal Connector Description . . . . . . . . . . . . . . . . . . . 2-19
2-8 Timer D Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
2-9 A/D Port Connector Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
2-10 SCI0 Connector Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
List of Tables

vi DSP56F801EVM Hardware User’s Manual 

Preface vii
Preface
This reference manual describes in detail the hardware on the DSP56F801 Evaluation
Module.
Audience
This document is intended for application developers who are creating software for
devices using the Motorola DSP56F801 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 DSP56F801 hardware.
•Appendix A, DSP56F801EVM Schematics - contains the schematics of the
DSP56F801EVM.
•Appendix B, DSP56F801EVM Bill of Material - provides a list of the materials used on
the DSP56F801EVM board.
Suggested Reading
More documentation on the DSP56F801 and the DSP56F801EVM kit may be found at
URL:
http://www.mot.com/SPS/DSP/documentation/index.html

viii DSP56F801EVM Hardware User’s Manual 
Notation Conventions
This manual uses the following notational conventions:
Definitions, Acronyms, and Abbreviations
Definitions, acronyms and abbreviations for terms used in this document are defined
below for reference.References
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 back-
slash: /WE
Hexadecimal Values Begin with a “$” sym-
bol $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
Blue Text Linkable on-line ...refer to Chapter 7,
License
Bold Reference sources,
paths, emphasis ...see:
http://www.mot.com/SP
S/DSP...
A/D Analog to Digital
D/A Digital to Analog
DSP Digital Signal Processor or Digital Signal Processing
EVM Evaluation Module
GPIO General Purpose Input and Output Port on Motorola’s Family of DSPs
IC Integrated Circuit
JTAG Joint Test Action Group. A bus protocol/interface used for test and
debug.
LQFP Low profile Quad Flat Pack