Copyright © 2010 ARM. All rights reserved.
ARM DUI 0552A (ID121610)
Cortex
™
-M3 Devices
Generic User Guide
ARM DUI 0552A Copyright © 2010 ARM. All rights reserved. ii
ID121610 Non-Confidential
Cortex-M3 Devices
Generic User Guide
Copyright © 2010 ARM. All rights reserved.
Release Information
The following changes have been made to this book.
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Change history
Date Issue Confidentiality Change
16 December 2010 A Non-Confidential First release
ARM DUI 0552A Copyright © 2010 ARM. All rights reserved. iii
ID121610 Non-Confidential
Contents
Cortex-M3 Devices Generic User Guide
Preface
About this book ........................................................................................................... vi
Feedback .................................................................................................................... ix
Chapter 1 Introduction
1.1 About the Cortex-M3 processor and core peripherals ............................................. 1-2
Chapter 2 The Cortex-M3 Processor
2.1 Programmers model ................................................................................................ 2-2
2.2 Memory model ....................................................................................................... 2-12
2.3 Exception model .................................................................................................... 2-21
2.4 Fault handling ........................................................................................................ 2-28
2.5 Power management ............................................................................................... 2-31
Chapter 3 The Cortex-M3 Instruction Set
3.1 Instruction set summary ........................................................................................... 3-2
3.2 CMSIS functions ...................................................................................................... 3-6
3.3 About the instruction descriptions ............................................................................ 3-8
3.4 Memory access instructions .................................................................................. 3-17
3.5 General data processing instructions .................................................................... 3-34
3.6 Multiply and divide instructions .............................................................................. 3-49
3.7 Saturating instructions ........................................................................................... 3-54
3.8 Bitfield instructions ................................................................................................. 3-56
3.9 Branch and control instructions ............................................................................. 3-60
3.10 Miscellaneous instructions ..................................................................................... 3-68
Chapter 4 Cortex-M3 Peripherals
4.1 About the Cortex-M3 peripherals ............................................................................. 4-2
ARM DUI 0552A Copyright © 2010 ARM. All rights reserved. iv
ID121610 Non-Confidential
4.2 Nested Vectored Interrupt Controller ....................................................................... 4-3
4.3 System control block .............................................................................................. 4-11
4.4 System timer, SysTick ........................................................................................... 4-33
4.5 Optional Memory Protection Unit ........................................................................... 4-37
Appendix A Cortex-M3 Options
A.1 Cortex-M3 implementation options .......................................................................... A-2
Glossary
