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ARM Cortex-M23处理器技术参考手册
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ARM Cortex-M23处理器技术参考手册
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Copyright © 2016 ARM. All rights reserved.
ARM DDI 0550C (ID112116)
ARM
®
Cortex
®
-M23 Processor
Revision: r1p0
Technical Reference Manual
ARM DDI 0550C Copyright © 2016 ARM. All rights reserved. ii
ID112116 Non-Confidential
ARM Cortex-M23 Processor
Technical Reference Manual
Copyright © 2016 ARM. All rights reserved.
Release Information
The following changes have been made to this book.
Proprietary Notice
This document is protected by copyright and other related rights and the practice or implementation of the information
contained in this document may be protected by one or more patents or pending patent applications. No part of this
document may be reproduced in any form by any means without the express prior written permission of ARM. No
license, express or implied, by estoppel or otherwise to any intellectual property rights is granted by this document
unless specifically stated.
Your access to the information in this document is conditional upon your acceptance that you will not use or permit
others to use the information for the purposes of determining whether implementations infringe any third party patents.
THIS DOCUMENT IS PROVIDED “AS IS”. ARM PROVIDES NO REPRESENTATIONS AND NO
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no representation with respect to, and has undertaken no analysis to identify or understand the scope and content of,
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This document may include technical inaccuracies or typographical errors.
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Copyright ©, ARM Limited or its affiliates. All rights reserved.
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Change history
Date Issue Confidentiality Change
25 April 2016 A Confidential First release for r0p0
29 July 2016 B Confidential First release for r1p0
18 November 2016 C Non-Confidential Second release for r1p0
ARM DDI 0550C Copyright © 2016 ARM. All rights reserved. iii
ID112116 Non-Confidential
Confidentiality Status
This document is Non-Confidential. The right to use, copy and disclose this document may be subject to license
restrictions in accordance with the terms of the agreement entered into by ARM and the party that ARM delivered this
document to.
Product Status
The information in this document is final, that is for a developed product.
Web Address
http://www.arm.com
ARM DDI 0550C Copyright © 2016 ARM. All rights reserved. iv
ID112116 Non-Confidential
Contents
ARM Cortex-M23 Processor Technical Reference
Manual
Preface
About this book .......................................................................................................... vii
Feedback ..................................................................................................................... x
Chapter 1 Introduction
1.1 About the processor ................................................................................................. 1-2
1.2 Compliance .............................................................................................................. 1-3
1.3 Features ................................................................................................................... 1-4
1.4 Interfaces ................................................................................................................. 1-5
1.5 Test Features ........................................................................................................... 1-6
1.6 Configurable options ................................................................................................ 1-7
1.7 Product documentation, design flow, and architecture ............................................ 1-9
1.8 Product revisions ................................................................................................... 1-12
Chapter 2 Functional Description
2.1 About the functions .................................................................................................. 2-2
2.2 Interfaces ................................................................................................................. 2-5
Chapter 3 Programmers Model
3.1 About the programmers model ................................................................................ 3-2
3.2 Modes of operation and execution ........................................................................... 3-3
3.3 Instruction set summary ........................................................................................... 3-4
3.4 Memory model ....................................................................................................... 3-10
3.5 Registers summary ................................................................................................ 3-12
3.6 Exceptions ............................................................................................................. 3-14
Contents
ARM DDI 0550C Copyright © 2016 ARM. All rights reserved. v
ID112116 Non-Confidential
Chapter 4 System Control
4.1 About system control ............................................................................................... 4-2
4.2 System control register summary ............................................................................ 4-3
Chapter 5 Nested Vectored Interrupt Controller
5.1 About the NVIC ........................................................................................................ 5-2
5.2 NVIC register summary ........................................................................................... 5-3
Chapter 6 Security Attribution and Memory Protection
6.1 About Security Attribution and Memory Protection .................................................. 6-2
6.2 SAU register summary ............................................................................................. 6-4
6.3 MPU register summary ............................................................................................ 6-5
Chapter 7 Debug
7.1 About debug ............................................................................................................ 7-2
7.2 Debug register summary ......................................................................................... 7-9
Appendix A Revisions
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