1
11
TOC
1
Introduction
1.1
1.2
1.3
1.4
1.5
Introduction
ARM7TDMI Architecture
ARM7TDMI Block Diagram
ARM7TDMI Core Diagram
ARM7TDMI Functional Diagram
Contents
1-2
1-2
1-4
1-5
1-6
2
Signal Description
2.1
Signal Description
2-1
2-2
3
Programmer’s Model
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
Processor Operating States
Switching State
Memory Formats
Instruction Length
Data Types
Operating Modes
Registers
The Program Status Registers
Exceptions
Interrupt Latencies
Reset
3-1
3-2
3-2
3-2
3-3
3-3
3-4
3-4
3-8
3-10
3-14
3-15
ARM7TDMI Data Sheet
ARM DDI 0029E
Contents-i
Open Access
1-1