Samsung S5PC110 Manual page 112

S5PC110_UM
2.2.17.2 Port Group GPG2 Control Register (GPG2DAT, R/W, Address = 0xE020_01E4)
GPG2DAT
[6:0]
GPG2DAT[6:0]
2.2.17.3 Port Group GPG2 Control Register (GPG2PUD, R/W, Address = 0xE020_01E8)
GPG2PUD
GPG2PUD[n]
2.2.17.4 Port Group GPG2 Control Register (GPG2DRV, R/W, Address = 0xE020_01EC)
GPG2DRV
GPG2DRV[n]
2.2.17.5 Port Group GPG2 Control Register (GPG2CONPDN, R/W, Address = 0xE020_01F0)
GPG2CONPDN
GPG2[n]
2.2.17.6 Port Group GPG2 Control Register (GPG2PUDPDN, R/W, Address = 0xE020_01F4)
GPG2PUDPDN
GPG2[n]
Bit
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=0~6
10 = Pull-up enabled
11 = Reserved
Bit
[2n+1:2n] 00 = 1x
10 = 2x
n=0~6
01 = 3x
11 = 4x
Bit
[2n+1:2n] 00 = Output 0
01 = Output 1
n=0~6
10 = Input
11 = Previous state
Bit
[2n+1:2n] 00 = Pull-up/ down disabled
01 = Pull-down enabled
n=0~6
10 = Pull-up enabled
11 = Reserved
2 GENERAL PURPOSE INPUT/ OUTPUT
Description
Description
Description
Description
Description
Initial State
0x00
Initial State
0x1555
Initial State
0x0000
Initial State
0x00
Initial State
0x00
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