Samsung S3C2451X User Manual page 272

I/O PORTS
PORT D CONTROL REGISTERS (GPDCON, GPDDAT, GPDUDP)
Register
GPDCON
GPDDAT
GPDUDP
Reserved
GPDCON
GPD15
GPD14
GPD13
GPD12
GPD11
GPD10
GPD9
GPD8
GPD7
GPD6
GPD5
GPD4
GPD3
GPD2
GPD1
GPD0
11-16
Address R/W
0x56000030 R/W
0x56000034 R/W
0x56000038 R/W
0x5600003c –
Bit
[31:30] 00 = Input
10 = RGB_VD[23]
[29:28] 00 = Input
10 = RGB_VD[22]
[27:26] 00 = Input
10 = RGB_VD[21]
[25:24] 00 = Input
10 = RGB_VD[20]
[23:22] 00 = Input
10 = RGB_VD[19]
[21:20] 00 = Input
10 = RGB_VD[18]
[19:18] 00 = Input
10 = RGB/SYS_VD[17]
[17:16] 00 = Input
10 = RGB/SYS _VD[16]
[15:14] 00 = Input
10 = RGB/SYS _VD[15]
[13:12] 00 = Input
10 = RGB/SYS _VD[14]
[11:10] 00 = Input
10 = RGB/SYS _VD[13]
[9:8] 00 = Input
10 = RGB/SYS _VD[12]
[7:6] 00 = Input
10 = RGB/SYS _VD[11]
[5:4] 00 = Input
10 = RGB/SYS _VD[10]
[3:2] 00 = Input
10 = RGB/SYS _VD[9]
[1:0] 00 = Input
10 = RGB/SYS _VD[8]
Description
Configures the pins of port D
The data register for port D
Pull-up/down control register for port D
S3C2451X RISC MICROPROCESSOR
–
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
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
01 = Output
11 = Reserved
Reset Value
0x0
0x0
0x55555555
–