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)

Single Data Transfer (LDR, STR)...........................................................................................................3-28

Offsets and Auto-Indexing ............................................................................................................3-29

Shifted Register Offset .................................................................................................................3-29

Bytes and Words ........................................................................................................................3-29

Use of R15..................................................................................................................................3-31

Example .....................................................................................................................................3-31

Data Aborts ................................................................................................................................3-31

Instruction Cycle Times................................................................................................................3-31

Assembler Syntax .......................................................................................................................3-32

Examples ...................................................................................................................................3-33

Halfword and Signed Data Transfer (LDRH/STRH/LDRSB/LDRSH) ...........................................................3-34

Offsets and Auto-Indexing ............................................................................................................3-35

Halfword Load and Stores.............................................................................................................3-36

Use of R15..................................................................................................................................3-37

Data Aborts ................................................................................................................................3-37

Instruction Cycle Times................................................................................................................3-37

Assembler Syntax .......................................................................................................................3-38

Examples ...................................................................................................................................3-39

Block Data Transfer (LDM, STM)...........................................................................................................3-40

The Register List .........................................................................................................................3-40

Addressing Modes.......................................................................................................................3-41

Address Alignment ......................................................................................................................3-41

Use of the S Bit...........................................................................................................................3-43

Use of R15 as The Base ..............................................................................................................3-43

Inclusion of the Base in the Register List .......................................................................................3-44

Data Aborts ................................................................................................................................3-44

Instruction Cycle Times................................................................................................................3-44

Assembler Syntax .......................................................................................................................3-45

Examples ...................................................................................................................................3-46

Single Data Swap (SWP).....................................................................................................................3-47

Bytes and Words ........................................................................................................................3-47

Use of R15..................................................................................................................................3-48

Data Aborts ................................................................................................................................3-48

Instruction Cycle Times................................................................................................................3-48

Assembler Syntax .......................................................................................................................3-48

Software Interrupt (SWI) .......................................................................................................................3-49

Return from the Supervisor ...........................................................................................................3-49

Comment Field............................................................................................................................3-49

Instruction Cycle Times................................................................................................................3-49

Assembler Syntax .......................................................................................................................3-50

Coprocessor Data Operations (CDP).....................................................................................................3-51

Coprocessor Instructions..............................................................................................................3-51

Instruction Cycle Times................................................................................................................3-52

Examples ...................................................................................................................................3-52

S3C2440A MICROCONTROLLER

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