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PDF S3C2440 Data sheet ( Hoja de datos )

Número de pieza S3C2440
Descripción 32-BIT CMOS MICROCONTROLLER
Fabricantes Samsung semiconductor　
Logotipo Samsung semiconductor Logotipo



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S3C2440A
32-BIT CMOS
MICROCONTROLLER
USER'S MANUAL
Revision 1

1 page




S3C2440 pdf
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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5 Page





S3C2440 arduino
Table of Contents (Continued)
Chapter 9
I/O PORTS
Overview .............................................................................................................................................9-1
Port Control Descriptions .....................................................................................................................9-7
Port Configuration Register (GPACON-GPJCON)............................................................................9-7
Port Data Register (GPADAT-GPJDAT) .........................................................................................9-7
Port Pull-Up Register (GPBUP-GPJUP).........................................................................................9-7
Miscellaneous Control Register.....................................................................................................9-7
External Interrupt Control Register.................................................................................................9-7
I/O Port Control Register ......................................................................................................................9-8
Port A Control Registers (GPACON, GPADAT) ..............................................................................9-8
Port B Control Registers (GPBCON, GPBDAT, GPBUP).................................................................9-10
Port C Control Registers (GPCCON, GPCDAT, GPCUP).................................................................9-11
Port D Control Registers (GPDCON, GPDDAT, GPDUP).................................................................9-13
Port E Control Registers (GPECON, GPEDAT, GPEUP).................................................................9-15
Port F Control Registers (GPFCON, GPFDAT) ...............................................................................9-17
Port G Control Registers (GPGCON, GPGDAT) .............................................................................9-18
Port H Control Registers (GPHCON, GPHDAT) ..............................................................................9-20
Port J Control Registers (GPJCON, GPJDAT) ................................................................................9-21
Miscellaneous Control Register (MISCCR) .....................................................................................9-23
DCLK Control Registers (DCLKCON).............................................................................................9-25
EXTINTn (External Interrupt Control Register n)...............................................................................9-26
EINTFLTn (External Interrupt Filter Register n)................................................................................9-30
EINTMASK (External Interrupt Mask Register) ...............................................................................9-31
EINTPEND (External Interrupt Pending Register) ............................................................................9-32
GSTATUSn (General Status Registers) .........................................................................................9-33
DSCn (Drive Strength Control).......................................................................................................9-34
DSCn (Drive Strength Control).......................................................................................................9-35
MSLCON (Memory Sleep Control Register)....................................................................................9-36
S3C2440A MICROCONTROLLER
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