Port Group Gpe1 Control Register - Samsung S5PC110 Manual

S5PC110_UM

2.2.10 PORT GROUP GPE1 CONTROL REGISTER

There are six control registers, namely, GPE1CON, GPE1DAT, GPE1PUD, GPE1DRV, GPE1CONPDN and
GPE1PUDPDN in the Port Group GPE1 Control Registers.
2.2.10.1 Port Group GPE1 Control Register (GPE1CON, R/W, Address = 0xE020_0100)
GPE1CON
GPE1CON[4]
GPE1CON[3]
GPE1CON[2]
GPE1CON[1]
GPE1CON[0]
2.2.10.2 Port Group GPE1 Control Register (GPE1DAT, R/W, Address = 0xE020_0104)
GPE1DAT
GPE1DAT[4:0]
Bit
[19:16] 0000 = Input
0001 = Output
0010 = CAM_A_FIELD
0011 ~ 1110 = Reserved
1111 = GPE1_INT[4]
[15:12] 0000 = Input
0001 = Output
0010 = CAM_A_CLKOUT
0011 ~ 1110 = Reserved
1111 = GPE1_INT[3]
[11:8] 0000 = Input
0001 = Output
0010 = CAM_A_DATA[7]
0011 ~ 1110 = Reserved
1111 = GPE1_INT[2]
[7:4] 0000 = Input
0001 = Output
0010 = CAM_A_DATA[6]
0011 ~ 1110 = Reserved
1111 = GPE1_INT[1]
[3:0] 0000 = Input
0001 = Output
0010 = CAM_A_DATA[5]
0011 ~ 1110 = Reserved
1111 = GPE1_INT[0]
Bit
[4:0] 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.
2 GENERAL PURPOSE INPUT/ OUTPUT
Description
Description
Initial State
0000
0000
0000
0000
0000
Initial State
0x00
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