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PDF ARM720T Data sheet ( Hoja de datos )
| Número de pieza | ARM720T | |
| Descripción | General-purpose 32-bit Microprocessor | |
| Fabricantes | ARM | |
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ARM720T
(Rev 3)
Technical Reference Manual
ARM DDI 0192A
1 page  
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
ARM DDI 0192A
7.9 Determining the core and system state....................................................... 7-25
7.10 The PC during debug.................................................................................. 7-30
7.11 Priorities and exceptions............................................................................. 7-34
7.12 Scan interface timing .................................................................................. 7-35
7.13 Scan and debug signals used by the embedded trace logic....................... 7-42
EmbeddedICE Logic
8.1 About EmbeddedICE Logic........................................................................... 8-2
8.2 The watchpoint registers............................................................................... 8-4
8.3 Programming breakpoints............................................................................. 8-9
8.4 Programming watchpoints........................................................................... 8-11
8.5 The debug control register .......................................................................... 8-13
8.6 Debug status register .................................................................................. 8-15
8.7 Coupling breakpoints and watchpoints ....................................................... 8-17
8.8 Debug communications channel ................................................................. 8-19
Bus Clocking
9.1 About the ARM720T bus interface................................................................ 9-2
9.2 Fastbus extension......................................................................................... 9-3
9.3 Standard mode ............................................................................................. 9-5
AMBA Interface
10.1 About the AMBA interface........................................................................... 10-2
10.2 ASB bus interface signals ........................................................................... 10-3
10.3 Cycle types ................................................................................................. 10-4
10.4 Addressing signals...................................................................................... 10-7
10.5 Memory request signals.............................................................................. 10-8
10.6 Data signal timing ....................................................................................... 10-9
10.7 Slave response signals ............................................................................. 10-10
10.8 Maximum sequential length ...................................................................... 10-12
10.9 Read-lock-write ......................................................................................... 10-13
10.10 Little-endian and big-endian operation...................................................... 10-14
10.11 Multi-master operation .............................................................................. 10-17
10.12 Bus master handover ................................................................................ 10-19
10.13 Default bus master.................................................................................... 10-21
AMBA Test
11.1 Slave operation, test mode ......................................................................... 11-2
11.2 ARM720T test mode ................................................................................... 11-3
11.3 ARM7TDM core test mode.......................................................................... 11-5
11.4 RAM test mode ........................................................................................... 11-6
11.5 TAG test mode............................................................................................ 11-8
11.6 MMU test mode......................................................................................... 11-10
11.7 Test register mapping ............................................................................... 11-11
Trace Interface Port
12.1 About the ETM ............................................................................................ 12-2
Copyright © ARM Limited 1997, 1998, 2000. All rights reserved.
v
5 Page 
Preface
This preface introduces the ARM720T and its reference documentation. It contains the
following sections:
• About this document on page xii
• Further reading on page xv
• Feedback on page xvi.
ARM DDI 0192A
Copyright © ARM Limited 1997, 1998, 2000. All rights reserved.
xi
11 Page | ||
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