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发表于 2011-7-10 22:14:07
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S3C2440.pdf
S3C2440.pdf
【文件名】:11710@52RD_S3C2440.rar
【格 式】:rar
【大 小】:2202K
【简 介】:
【目 录】:
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Chapter 1 Product Overview
Introduction........................................................................................................................................1-1
Features ............................................................................................................................................1-2
Block Diagram ...................................................................................................................................1-5
Pin Assignments................................................................................................................................1-6
Signal Descriptions.............................................................................................................................1-20
S3C2440A Special Registers................................................................................................................1-26
Chapter 2 Programmer's Model
Overview............................................................................................................................................2-1
Processor Operating States .........................................................................................................2-1
Switching State..........................................................................................................................2-1
Memory Formats........................................................................................................................2-1
Big-Endian Format.......................................................................................................................2-2
Little-Endian Format ....................................................................................................................2-2
Instruction Length........................................................................................................................2-2
Operating Modes .........................................................................................................................2-3
Registers ...................................................................................................................................2-3
The Program Status Registers ......................................................................................................2-7
Exceptions ................................................................................................................................2-10
Interrupt Latencies .......................................................................................................................2-15
Reset ........................................................................................................................................2-15
Chapter 3 ARM Instruction Set
Instruction Set Summay.......................................................................................................................3-1
Format Summary ........................................................................................................................3-1
Instruction Summary....................................................................................................................3-2
The Condition Field.............................................................................................................................3-4
Branch and Exchange (Bx)...................................................................................................................3-5
Instruction Cycle Times................................................................................................................3-5
Assembler Syntax .......................................................................................................................3-5
Using R15 as an Operand ............................................................................................................3-5
Branch and Branch with Link (B, Bl)......................................................................................................3-7
The Link Bit ...............................................................................................................................3-7
Instruction Cycle Times................................................................................................................3-7
Assembler Syntax .......................................................................................................................3-8
Data Processing.................................................................................................................................3-9
Cpsr Flags .................................................................................................................................3-11
Shifts ........................................................................................................................................3-12
Immediate Operand Rotates .........................................................................................................3-16
Writing to R15............................................................................................................................3-16
Using R15 as an Operandy...........................................................................................................3-16
TEQ, TST, Cmp and Cmn Opcodes...............................................................................................3-16
Instruction Cycle Times................................................................................................................3-16
Assembler Syntax .......................................................................................................................3-17
Examples ..................................................................................................................................3-17
Psr Transfer (MRS, MSR).....................................................................................................................3-18
Operand Restrictions ...................................................................................................................3-18
Reserved Bits.............................................................................................................................3-20
Examples ..................................................................................................................................3-20
Instruction Cycle Times................................................................................................................3-20
Assembly Syntax ........................................................................................................................3-21
Examples ..................................................................................................................................3-21
Multiply And Multiply-Accumulate (MUL, MLA).......................................................................................3-22
Cpsr Flags .................................................................................................................................3-24
Instruction Cycle Times................................................................................................................3-24
Assembler Syntax .......................................................................................................................3-24
Examples ..................................................................................................................................3-24
Multiply Long And Multiply-Accumulate Long (MULL, MLAL) ...................................................................3-25
Operand Restrictions ...................................................................................................................3-26
Cpsr Flags .................................................................................................................................3-26
Instruction Cycle Times................................................................................................................3-26
Assembler Syntax .......................................................................................................................3-27
Examples ..................................................................................................................................3-27 |
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