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CAN总线开发.pdf
Revision history
List of Sections
Table of Contents
List of Figures
List of Tables
Section 1. Introduction
1.1 Contents
1.2 Application intended functionality
1.3 Benefits of our solution
Section 2. Quick Start
2.1 Contents
2.2 Introduction
2.3 PC_CAN Interface Setup
2.4 MCU Flash Programming
Section 3. Hardware Description
3.1 Contents
3.2 Introduction
3.3 Technical Data
3.4 PC_CAN Interface Reference Design Architecture
3.5 The Power Supply
3.6 Board Layout
3.7 Board Connectors
3.8 Memory Map
Section 4. Software Module Descriptions
4.1 Contents
4.2 Introduction
4.3 Project Introduction
4.4 Software Implementation
Appendix A. Bill of Materials and Schematics
A.1 Contents
A.2 PC_CAN Interface Bill of Materials
A.3 PC_CAN Interface Schematics
Appendix B. Source Code Files
B.1 Contents
B.2 CAN_master.c
B.3 CAN_master.h
B.4 rti.c
B.5 rti.h
B.6 spi.c
B.7 spi.h
B.8 s12_regs.c
B.9 s12_regs.h
B.10 MC9S12DP256_RAM.prm
B.11 MC9S12DP256_FLAT.prm
Appendix C. Glossary
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Freescale Semiconductor, Inc.
PC CAN
Interface
Designer Reference
Manual
DRM034/D
Rev. 0, 03/2003
HCS12
Microcontrollers
MOTOROLA.COM/SEMICONDUCTORS
For More Information On This Product,
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Freescale Semiconductor, Inc.
For More Information On This Product,
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Freescale Semiconductor, Inc.
PC_CAN Interface
Reference Design
Designer Reference Manual — Rev 0
by: Jaromir Chocholac
Zdenek Kaspar
TU682
Czech Systems Laboratories
DRM034 — Rev 0
MOTOROLA
For More Information On This Product,
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Designer Reference Manual
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Revision history
To provide the most up-to-date information, the revision of our
documents on the World Wide Web will be the most current. Your printed
copy may be an earlier revision. To verify you have the latest information
available, refer to:
http://www.motorola.com/semiconductors
The following revision history table summarizes changes contained in
this document. For your convenience, the page number designators
have been linked to the appropriate location.
Date
January,
2003
Revision
Level
1.0
Initial release
Revision history
Description
Page
Number(s)
N/A
Designer Reference Manual
4
For More Information On This Product,
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DRM034 — Rev 0
MOTOROLA
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Designer Reference Manual — PC_CAN
List of Sections
Section 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Section 2. Quick Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Section 3. Hardware Description . . . . . . . . . . . . . . . . . . . 19
Section 4. Software Module Descriptions. . . . . . . . . . . . 33
Appendix A. Bill of Materials and Schematics . . . . . . . . 73
Appendix B. Source Code Files. . . . . . . . . . . . . . . . . . . . 81
Appendix C. Glossary. . . . . . . . . . . . . . . . . . . . . . . . . . . 123
DRM034 — Rev 0
MOTOROLA
For More Information On This Product,
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Designer Reference Manual
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List of Sections
Designer Reference Manual
6
For More Information On This Product,
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DRM034 — Rev 0
MOTOROLA
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Designer Reference Manual — PC_CAN
Table of Contents
Section 1. Introduction
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Application intended functionality . . . . . . . . . . . . . . . . . . . . . . .13
Benefits of our solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Section 2. Quick Start
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
PC_CAN Interface Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
1.1
1.2
1.3
2.1
2.2
2.3
2.4 MCU Flash Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Section 3. Hardware Description
3.1
3.2
3.3
3.4
3.5
3.6
3.7
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
PC_CAN Interface Reference Design Architecture . . . . . . . . .25
The Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Board Connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
3.8 Memory Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Section 4. Software Module Descriptions
4.1
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
DRM034 — Rev 0
MOTOROLA
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Go to: www.freescale.com
Designer Reference Manual
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Table of Contents
4.2
4.3
4.4
A.1
A.2
A.3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Project Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Software Implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Appendix A. Bill of Materials and Schematics
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
PC_CAN Interface Bill of Materials. . . . . . . . . . . . . . . . . . . . . .74
PC_CAN Interface Schematics. . . . . . . . . . . . . . . . . . . . . . . . .76
Appendix B. Source Code Files
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
B.1
CAN_master.c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
B.2
CAN_master.h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
B.3
rti.c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
B.4
rti.h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
B.5
spi.c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
B.6
spi.h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
B.7
s12_regs.c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111
B.8
B.9
s12_regs.h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
B.10 MC9S12DP256_RAM.prm . . . . . . . . . . . . . . . . . . . . . . . . . . .116
B.11 MC9S12DP256_FLAT.prm. . . . . . . . . . . . . . . . . . . . . . . . . . .119
Appendix C. Glossary
Designer Reference Manual
8
For More Information On This Product,
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DRM034 — Rev 0
MOTOROLA
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