Samsung S3C2451X User Manual page 278

I/O PORTS
PORT G CONTROL REGISTERS (GPGCON, GPGDAT, GPGUDP)
If GPG0–GPG7 will be used for wake-up signals from Sleep/Stop/Deep Stop mode, the ports will be set in EINT.
Register
GPGCON
GPGDAT
GPGUDP
GPGCON
GPG15
GPG14
GPG13*
GPG12
GPG11
GPG10
GPG9
GPG8
GPG7
GPG6
GPG5
GPG4
GPG3
GPG2
GPG1
GPG0
11-22
Address R/W
0x56000060 R/W
0x56000064 R/W
0x56000068 R/W
Bit
[31:30] 00 = Input
10 = EINT[23]
[29:28] 00 = Input
10 = EINT[22]
[27:26] 00 = Input
10 = EINT[21]
[25:24] 00 = Input
10 = EINT[20]
[23:22] 00 = Input
10 = EINT[19]
[21:20] 00 = Input
10 = EINT[18]
[19:18] 00 = Input
10 = EINT[17]
[17:16] 00 = Input
10 = EINT[16]
[15:14] 00 = Input
10 = EINT[15]
[13:12] 00 = Input
10 = EINT[14]
[11:10] 00 = Input
10 = EINT[13]
[9:8] 00 = Input
10 = EINT[12]
[7:6] 00 = Input
10 = EINT[11]
[5:4] 00 = Input
10 = EINT[10]
[3:2] 00 = Input
10 = EINT[9]
[1:0] 00 = Input
10 = EINT[8]
Description
Configures the pins of port G
The data register for port G
Pull-up/down control register for port G
Description
01 = Output
11 = CARD_PWREN
01 = Output
11 = RESET_CF
01 = Output
11 = nREG_CF
01 = Output
11 = nINPACK
01 = Output
11 = nIREQ_CF
01 = Output
11 = CAM_FIELD_A
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = LCD_PWRDN
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
S3C2451X RISC MICROPROCESSOR
Reset Value
0x55555555
0x0
0x0