S3C2440 데이터 시트보기 (PDF) - Samsung

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S3C2440

32-BIT CMOS MICROCONTROLLER

Samsung 

Table of Contents (Continued)

Chapter 3

ARM Instruction Set (Continued)

Coprocessor Data Transfers (LDC, STC)................................................................................................3-53

The Coprocessor Fields ...............................................................................................................3-54

Addressing Modes.......................................................................................................................3-54

Address Alignment ......................................................................................................................3-54

Data Aborts ................................................................................................................................3-54

Assembler Syntax .......................................................................................................................3-55

Examples ...................................................................................................................................3-55

Coprocessor Register Transfers (MRC, MCR).................................................................................3-56

The Coprocessor Fields ...............................................................................................................3-56

Transfers to R15..........................................................................................................................3-57

Transfers from R15 ......................................................................................................................3-57

Instruction Cycle Times................................................................................................................3-57

Assembler Syntax .......................................................................................................................3-57

Examples ...................................................................................................................................3-57

Undefined Instruction ...................................................................................................................3-58

Instruction Cycle Times................................................................................................................3-58

Assembler Syntax .......................................................................................................................3-58

Instruction Set Examples .............................................................................................................3-59

Using the Conditional Instructions .................................................................................................3-59

Pseudo-Random Binary Sequence Generator.................................................................................3-61

Multiplication by Constant Using the Barrel Shifter..........................................................................3-61

Loading a Word from an Unknown Alignment .................................................................................3-63

Chapter 4

Thumb Instruction Set

Thumb Instruction Set Format...............................................................................................................4-1

Format Summary ........................................................................................................................4-2

Opcode Summary .......................................................................................................................4-3

Format 1: Move Shifted Register ...........................................................................................................4-5

Operation....................................................................................................................................4-5

Instruction Cycle Times................................................................................................................4-6

Examples ...................................................................................................................................4-6

Format 2: Add/Subtract........................................................................................................................4-7

Operation....................................................................................................................................4-7

Instruction Cycle Times................................................................................................................4-8

Examples ...................................................................................................................................4-8

Format 3: Move/Compare/Add/Subtract Immediate.................................................................................4-9

Operations ..................................................................................................................................4-9

Instruction Cycle Times................................................................................................................4-10

Examples ...................................................................................................................................4-10

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S3C2440A MICROCONTROLLER

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