AMBA specification 2.0.pdf

【核心代码】

Contents
AMBA Specification
Preface
About this document ......................................................................................................iv
Feedback ......................................................................................................................vii
 Chapter 1 Introduction to the AMBA Buses
1.1 Overview of the AMBA specification .............................................................1-2
1.2 Objectives of the AMBA specification ...........................................................1-3
1.3 A typical AMBA-based microcontroller..........................................................1-4
1.4 Terminology ..................................................................................................1-6
1.5 Introducing the AMBA AHB...........................................................................1-7
1.6 Introducing the AMBA ASB...........................................................................1-9
1.7 Introducing the AMBA APB.........................................................................1-10
1.8 Choosing the right bus for your system.......................................................1-12
1.9 Notes on the AMBA specification................................................................1-14
 Chapter 2 AMBA Signals
2.1 AMBA signal names......................................................................................2-2
2.2 AMBA AHB signal list....................................................................................2-3
2.3 AMBA ASB signal list....................................................................................2-6
2.4 AMBA APB signal list....................................................................................2-8
x © Copyright ARM Limited 1999. All rights reserved. ARM IHI 0011A
 Chapter 3 AMBA AHB
3.1 About the AMBA AHB................................................................................... 3-3
3.2 Bus interconnection...................................................................................... 3-4
3.3 Overview of AMBA AHB operation............................................................... 3-5
3.4 Basic transfer................................................................................................ 3-6
3.5 Transfer type ................................................................................................ 3-9
3.6 Burst operation ........................................................................................... 3-11
3.7 Control signals............................................................................................ 3-17
3.8 Address decoding....................................................................................... 3-19
3.9 Slave transfer responses............................................................................ 3-20
3.10 Data buses ................................................................................................. 3-25
3.11 Arbitration ................................................................................................... 3-28
3.12 Split transfers.............................................................................................. 3-35
3.13 Reset .......................................................................................................... 3-40
3.14 About the AHB data bus width.................................................................... 3-41
3.15 Implementing a narrow slave on a wider bus ............................................. 3-42
3.16 Implementing a wide slave on a narrow bus .............................................. 3-43
3.17 About the AHB AMBA components ............................................................ 3-44
3.18 AHB bus slave............................................................................................ 3-45
3.19 AHB bus master ......................................................................................... 3-49
3.20 AHB arbiter................................................................................................. 3-53
3.21 AHB decoder .............................................................................................. 3-57
 Chapter 4 AMBA ASB
4.1 About the AMBA ASB................................................................................... 4-2
4.2 AMBA ASB description................................................................................. 4-4
4.3 ASB transfers ............................................................................................... 4-6
4.4 Address decode.......................................................................................... 4-14
4.5 Transfer response ...................................................................................... 4-16
4.6 Multi-master operation................................................................................ 4-19
4.7 Reset operation .......................................................................................... 4-23
4.8 Description of ASB signals ......................................................................... 4-25
4.9 About the ASB AMBA components ............................................................ 4-46
4.10 ASB bus slave ............................................................................................ 4-47
4.11 ASB bus master.......................................................................................... 4-52
4.12 ASB decoder .............................................................................................. 4-63
4.13 ASB arbiter ................................................................................................. 4-71
 Chapter 5 AMBA APB
5.1 About the AMBA APB................................................................................... 5-2
5.2 APB specification.......................................................................................... 5-4
5.3 About the APB AMBA components .............................................................. 5-7
5.4 APB bridge ................................................................................................... 5-8
5.5 APB slave................................................................................................... 5-11
5.6 Interfacing APB to AHB .............................................................................. 5-14
5.7 Interfacing APB to ASB .............................................................................. 5-20
5.8 Interfacing rev D APB peripherals to rev 2.0 APB...................................... 5-22
ARM IHI 0011A © Copyright ARM Limited 1999. All rights reserved. xi
 Chapter 6 AMBA Test Methodology
6.1 About the AMBA test interface......................................................................6-2
6.2 External interface ..........................................................................................6-4
6.3 Test vector types...........................................................................................6-6
6.4 Test interface controller ................................................................................6-7
6.5 The AHB Test Interface Controller..............................................................6-12
6.6 Example AMBA AHB test sequences .........................................................6-17
6.7 The ASB test interface controller ................................................................6-25
6.8 Example AMBA ASB test sequences..........................................................6-27
Index