Samsung S5PC110 Manual page 118

S5PC110_UM
GPJ0CON
GPJ0CON[1]
GPJ0CON[0]
2.2.20.2 Port Group GPJ0 Control Register (GPJ0DAT, R/W, Address = 0xE020_0244)
GPJ0DAT
GPJ0DAT[7:0]
2.2.20.3 Port Group GPJ0 Control Register (GPJ0PUD, R/W, Address = 0xE020_0248)
GPJ0PUD
GPJ0PUD[n]
Bit
0011 = CAM_B_DATA[2]
0100 = CF_ADDR[2]
0101 = TS_CLK
0110 ~ 1110 = Reserved
1111 = GPJ0_INT[2]
[7:4] 0000 = Input
0001 = Output
0010 = MSM_ADDR[1]
0011 = CAM_B_DATA[1]
0100 = CF_ADDR[1]
0101 = MIPI_ESC_CLK
0110 ~ 1110 = Reserved
1111 = GPJ0_INT[1]
[3:0] 0000 = Input
0001 = Output
0010 = MSM_ADDR[0]
0011 = CAM_B_DATA[0]
0100 = CF_ADDR[0]
0101 = MIPI_BYTE_CLK
0110 ~ 1110 = Reserved
1111 = GPJ0_INT[0]
Bit
[7:0] When the port is configured as input port, the corresponding
bit is the pin state. When the port is configured as output
port, the pin state is the same as the corresponding bit.
When the port is configured as functional pin, the undefined
value will be read.
Bit
[2n+1:2n] 00 = Pull-up/ down disabled
01 = Pull-down enabled
n=0~7
10 = Pull-up enabled
11 = Reserved
2 GENERAL PURPOSE INPUT/ OUTPUT
Description
Description
Description
Initial State
0000
0000
Initial State
0x00
Initial State
0x5555
2-83