Port Group Gpb Control Register - Samsung S5PC110 Manual

S5PC110_UM

2.2.4 PORT GROUP GPB CONTROL REGISTER

There are six control registers, namely, GPBCON, GPBDAT, GPBPUD, GPBDRV, GPBCONPDN and
GPBPUDPDN in the Port Group GPB Control Registers.
2.2.4.1 Port Group GPB Control Register (GPBCON, R/W, Address = 0xE020_0040)
GPBCON
GPBCON[7]
GPBCON[6]
GPBCON[5]
GPBCON[4]
GPBCON[3]
GPBCON[2]
GPBCON[1]
GPBCON[0]
Bit
[31:28] 0000 = Input
0001 = Output
0010 = SPI_1_MOSI
0011 ~ 1110 = Reserved
1111 = GPB_INT[7]
[27:24] 0000 = Input
0001 = Output
0010 = SPI_1_MISO
0011 ~ 1110 = Reserved
1111 = GPB_INT[6]
[23:20] 0000 = Input
0001 = Output
0010 = SPI_1_nSS
0011 ~ 1110 = Reserved
1111 = GPB_INT[5]
[19:16] 0000 = Input
0001 = Output
0010 = SPI_1_CLK
0011 ~ 1110 = Reserved
1111 = GPB_INT[4]
[15:12] 0000 = Input
0001 = Output
0010 = SPI_0_MOSI
0011 ~ 1110 = Reserved
1111 = GPB_INT[3]
[11:8] 0000 = Input
0001 = Output
0010 = SPI_0_MISO
0011 ~ 1110 = Reserved
1111 = GPB_INT[2]
[7:4] 0000 = Input
0001 = Output
0010 = SPI_0_nSS
0011 ~ 1110 = Reserved
1111 = GPB_INT[1]
[3:0] 0000 = Input
0001 = Output
0010 = SPI_0_CLK
0011 ~ 1110 = Reserved
1111 = GPB_INT[0]
2 GENERAL PURPOSE INPUT/ OUTPUT
Description Initial State
0000
0000
0000
0000
0000
0000
0000
0000
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