Samsung S3C2451X User Manual page 270

I/O PORTS
PORT C CONTROL REGISTERS (GPCCON, GPCDAT, GPCUDP)
Register
GPCCON 0x56000020
GPCDAT 0x56000024
GPCUDP 0x56000028
Reserved 0x5600002c
GPCCON
GPC15
GPC14
GPC13
GPC12
GPC11
GPC10
GPC9
GPC8
GPC7
GPC6
GPC5
GPC4
GPC3
GPC2
GPC1
GPC0
11-14
Address R/W
R/W
R/W
R/W
–
Bit
[31:30] 00 = Input
10 = RGB/SYS_VD[7]
[29:28] 00 = Input
10 = RGB/SYS_VD[6]
[27:26] 00 = Input
10 = RGB/SYS_VD[5]
[25:24] 00 = Input
10 = RGB/SYS_VD[4]
[23:22] 00 = Input
10 = RGB/SYS_VD[3]
[21:20] 00 = Input
10 = RGB/SYS_VD[2]
[19:18] 00 = Input
10 = RGB/SYS_VD[1]
[17:16] 00 = Input
10 = RGB/SYS_VD[0]
[15:14] 00 = Input
10 = Reserved
[13:12] 00 = Input
10 = Reserved
[11:10] 00 = Input
10 = Reserved
[9:8] 00 = Input
10 = RGB_VDEN/SYS_RS
[7:6] 00 = Input
10 = RGB_VSYNC/SYS_CS1
[5:4] 00 = Input
10 = RGB_HSYNC/SYS_CS0
[3:2] 00 = Input
10 = RGB_VCLK/SYS_WR
[1:0] 00 = Input
10 = RGB_LEND/SYS_OE
Description
Configures the pins of port C
The data register for port C
Pull-up/down control for port C
Description
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
01 = Output
11 = Reserved
S3C2451X RISC MICROPROCESSOR
–
11 = Reserved
Reset Value
0x0
0x0
0x55555555
–