Arm
®
Cortex
®
-A55 Core
Revision: r2p0
Technical Reference Manual
Copyright © 2016–2018 Arm Limited or its affiliates. All rights reserved.
100442_0200_00_en
Arm
®
Cortex
®
-A55 Core
Technical Reference Manual
Copyright © 2016–2018 Arm Limited or its affiliates. All rights reserved.
Release Information
Document History
Issue Date Confidentiality Change
0000-00 30 September 2016 Confidential First release for r0p0
0001-00 16 December 2016 Confidential First release for r0p1
0100-00 23 June 2017 Non-Confidential First release for r1p0
0100-01 15 December 2017 Non-Confidential Second release for r1p0
0200-00 30 November 2018 Non-Confidential First release for r2p0
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Arm
®
Cortex
®
-A55 Core
100442_0200_00_en Copyright © 2016–2018 Arm Limited or its affiliates. All rights
reserved.
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Non-Confidential
110 Fulbourn Road, Cambridge, England CB1 9NJ.
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Arm
®
Cortex
®
-A55 Core
100442_0200_00_en Copyright © 2016–2018 Arm Limited or its affiliates. All rights
reserved.
3
Non-Confidential
Contents
Arm
®
Cortex
®
-A55 Core Technical Reference Manual
Preface
About this book ..................................................... ..................................................... 18
Feedback .................................................................................................................... 22
Part A Functional description
Chapter A1 Introduction
A1.1 About the core ................................................... ................................................... A1-26
A1.2 Features ................................................................................................................ A1-27
A1.3 Implementation options ............................................ ............................................ A1-28
A1.4 Supported standards and specifications ............................... ............................... A1-29
A1.5 Test features .......................................................................................................... A1-30
A1.6 Design tasks .......................................................................................................... A1-31
A1.7 Product revisions ................................................. ................................................. A1-32
Chapter A2 Technical overview
A2.1 Components .......................................................................................................... A2-34
A2.2 Interfaces .............................................................................................................. A2-38
A2.3 About system control .............................................. .............................................. A2-39
A2.4 About the Generic Timer ........................................... ........................................... A2-40
Chapter A3 Clocks, resets, and input synchronization
A3.1 About clocks, resets, and input synchronization ......................... ......................... A3-42
A3.2 Asynchronous interface ............................................ ............................................ A3-43
100442_0200_00_en Copyright © 2016–2018 Arm Limited or its affiliates. All rights
reserved.
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Non-Confidential
