Samsung S5PC110 Manual page 89

S5PC110_UM
2.2.7.4 Port Group GPD0 Control Register (GPD0DRV, R/W, Address = 0xE020_00AC)
GPD0DRV
GPD0DRV[n]
2.2.7.5 Port Group GPD0 Control Register (GPD0CONPDN, R/W, Address = 0xE020_00B0)
GPD0CONPDN
GPD0[n]
2.2.7.6 Port Group GPD0 Control Register (GPD0PUDPDN, R/W, Address = 0xE020_00B4)
GPD0PUDPDN
GPD0[n]
Bit
[2n+1:2n] 00 = 1x
10 = 2x
n=0~3
01 = 3x
11 = 4x
Bit
[2n+1:2n] 00 = Output 0
01 = Output 1
n=0~3
10 = Input
11 = Previous state
Bit
[2n+1:2n] 00 = Pull-up/ down disabled
01 = Pull-down enabled
n=0~3
10 = Pull-up enabled
11 = Reserved
2 GENERAL PURPOSE INPUT/ OUTPUT
Description
Description
Description
Initial State
0x0000
Initial State
0x00
Initial State
0x00
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