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S3C2440A RISC MICROPROCESSOR PRODUCT OVERVIEW
1-37
Table 1-4. S3C2440A Special Registers (Sheet 11 of 14)
Register
Name
Address
(B. Endian)
Address
(L.
Endian)
Acc.
Unit
Read/
Write
Function
I/O port
GPACON 0x56000000
←
W R/W Port A Control
GPADAT 0x56000004
Port A Data
GPBCON 0x56000010
Port B Control
GPBDAT 0x56000014
Port B Data
GPBUP 0x56000018
Pull-up Control B
GPCCON 0x56000020
Port C Control
GPCDAT 0x56000024
Port C Data
GPCUP 0x56000028
Pull-up Control C
GPDCON 0x56000030
Port D Control
GPDDA1T 0x56000034
Port D Data
GPDUP 0x56000038
Pull-up Control D
GPECON 0x56000040
Port E Control
GPEDAT 0x56000044
Port E Data
GPEUP 0x56000048
Pull-up Control E
GPFCON 0x56000050
Port F Control
GPFDAT 0x56000054
Port F Data
GPFUP 0x56000058
Pull-up Control F
GPGCON 0x56000060
Port G Control
GPGDAT 0x56000064
Port G Data
GPGUP 0x56000068
Pull-up Control G
GPHCON 0x56000070
Port H Control
GPHDAT 0x56000074
Port H Data
GPHUP 0x56000078
Pull-up Control H
GPJCON 0x560000D0
Port J Control
GPJDAT 0x560000D4
Port J Data
GPJUP 0x560000D8
Pull-up Control J
MISCCR 0x56000080
Miscellaneous Control
DCLKCON 0x56000084
DCLK0/1 Control
EXTINT0 0x56000088
External Interrupt Control Register 0
EXTINT1 0x5600008C
External Interrupt Control Register 1
EXTINT2 0x56000090
External Interrupt Control Register 2