Samsung S5PC110 Manual page 95

S5PC110_UM
2.2.10.3 Port Group GPE1 Control Register (GPE1PUD, R/W, Address = 0xE020_0108)
GPE1PUD
GPE1PUD[n]
2.2.10.4 Port Group GPE1 Control Register (GPE1DRV, R/W, Address = 0xE020_010C)
GPE1DRV
GPE1DRV[n]
2.2.10.5 Port Group GPE1 Control Register (GPE1CONPDN, R/W, Address = 0xE020_0110)
GPE1CONPDN
GPE1[n]
2.2.10.6 Port Group GPE1 Control Register (GPE1PUDPDN, R/W, Address = 0xE020_0114)
GPE1PUDPDN
GPE1[n]
Bit
[2n+1:2n] 00 = Pull-up/ down disabled
01 = Pull-down enabled
n=0~4
10 = Pull-up enabled
11 = Reserved
Bit
[2n+1:2n] 00 = 1x
10 = 2x
n=0~4
01 = 3x
11 = 4x
Bit
[2n+1:2n] 00 = Output 0
01 = Output 1
n=0~4
10 = Input
11 = Previous state
Bit
[2n+1:2n] 00 = Pull-up/ down disabled
01 = Pull-down enabled
n=0~4
10 = Pull-up enabled
11 = Reserved
2 GENERAL PURPOSE INPUT/ OUTPUT
Description
Description
Description
Description
Initial State
0x0155
Initial State
0x0000
Initial State
0x00
Initial State
0x00
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