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Cortex-A7 Technical ReferenceManua

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  • 开发语言:C/C++
  • 实例大小:1.97M
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  • 发布时间:2023-02-06
  • 实例类别:Android手机应用开发
  • 发 布 人:Allanyang2022
  • 文件格式:.pdf
  • 所需积分:2
 相关标签: cortex ref ICA ENC EF

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Contents
Cortex-A7 MPCore Technical Reference Manual
Preface
About this book .......................................................................................................... vii
Feedback .................................................................................................................... xi
Chapter 1 Introduction
1.1 About the Cortex-A7 MPCore processor ................................................................. 1-2
1.2 Compliance .............................................................................................................. 1-3
1.3 Features ................................................................................................................... 1-5
1.4 Interfaces ................................................................................................................. 1-6
1.5 Configurable options ................................................................................................ 1-7
1.6 Test features ............................................................................................................ 1-8
1.7 Product documentation and design flow .................................................................. 1-9
1.8 Product revisions ................................................................................................... 1-11
Chapter 2 Functional Description
2.1 About the Cortex-A7 MPCore processor functions .................................................. 2-2
2.2 Interfaces ................................................................................................................. 2-8
2.3 Clocking and resets ................................................................................................. 2-9
2.4 Power management ............................................................................................... 2-12
Chapter 3 Programmers Model
3.1 About the programmers model ................................................................................ 3-2
3.2 Execution environment support ............................................................................... 3-3
3.3 Advanced SIMD and VFP Extensions ..................................................................... 3-4
3.4 Security Extensions architecture ............................................................................. 3-5
3.5 Virtualization Extensions architecture ...................................................................... 3-7
3.6 Large Physical Address Extension architecture ...................................................... 3-8
3.7 Multiprocessing Extensions ..................................................................................... 3-9
3.8 Modes of operation ................................................................................................ 3-10
Contents
ARM DDI 0464F Copyright © 2011-2013 ARM. All rights reserved. iv
ID051113 Non-Confidential
3.9 Memory model ....................................................................................................... 3-11
Chapter 4 System Control
4.1 About system control ............................................................................................... 4-2
4.2 Register summary .................................................................................................... 4-3
4.3 Register descriptions ............................................................................................. 4-26
Chapter 5 Memory Management Unit
5.1 About the MMU ........................................................................................................ 5-2
5.2 Memory management system ................................................................................. 5-3
5.3 TLB organization ...................................................................................................... 5-5
5.4 TLB match process .................................................................................................. 5-6
5.5 Memory access sequence ....................................................................................... 5-7
5.6 MMU enabling and disabling ................................................................................... 5-8
5.7 External aborts ......................................................................................................... 5-9
5.8 MMU software accessible registers ....................................................................... 5-10
Chapter 6 L1 Memory System
6.1 About the L1 memory system .................................................................................. 6-2
6.2 Cache behavior ........................................................................................................ 6-3
6.3 L1 instruction memory system ................................................................................. 6-4
6.4 L1 data memory system .......................................................................................... 6-6
6.5 Data prefetching ...................................................................................................... 6-8
6.6 Direct access to internal memory ............................................................................ 6-9
Chapter 7 L2 Memory System
7.1 About the L2 Memory system .................................................................................. 7-2
7.2 Snoop Control Unit .................................................................................................. 7-3
7.3 Master interface ....................................................................................................... 7-5
7.4 Optional integrated L2 cache ................................................................................. 7-10
7.5 AXI privilege information ........................................................................................ 7-11
Chapter 8 Generic Interrupt Controller
8.1 About the GIC .......................................................................................................... 8-2
8.2 GIC functional description ........................................................................................ 8-3
8.3 GIC programmers model ......................................................................................... 8-6
Chapter 9 Generic Timer
9.1 About the Generic Timer .......................................................................................... 9-2
9.2 Generic timer functional description ........................................................................ 9-3
9.3 Timer programmers model ...................................................................................... 9-4
Chapter 10 Debug
10.1 About debug .......................................................................................................... 10-2
10.2 Debug register interfaces ....................................................................................... 10-4
10.3 Debug register summary ....................................................................................... 10-5
10.4 Debug register descriptions ................................................................................... 10-9
10.5 Debug events ....................................................................................................... 10-33
10.6 External debug interface ...................................................................................... 10-34
Chapter 11 Performance Monitoring Unit
11.1 About the Performance Monitoring Unit ................................................................. 11-2
11.2 PMU functional description .................................................................................... 11-3
11.3 PMU registers summary ........................................................................................ 11-4
11.4 PMU register descriptions ...................................................................................... 11-7
11.5 Events .................................................................................................................. 11-10
11.6 Interrupts .............................................................................................................. 11-12
11.7 Exporting PMU events ......................................................................................... 11-13
Contents
ARM DDI 0464F Copyright © 2011-2013 ARM. All rights reserved. v
ID051113 Non-Confidential
Appendix A Signal Descriptions
A.1 About the signal descriptions ................................................................................... A-2
A.2 Clock and reset signals ............................................................................................ A-3
A.3 Configuration signals ............................................................................................... A-4
A.4 Generic Interrupt Controller signals ......................................................................... A-5
A.5 Generic timer signals ............................................................................................... A-6
A.6 Power control signals ............................................................................................... A-7
A.7 ACE master interface signals .................................................................................. A-8
A.8 External debug interface ........................................................................................ A-13
A.9 DFT and MBIST interface signals .......................................................................... A-17
Appendix B Revisions


标签: cortex ref ICA ENC EF

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