Samsung S3C6400X User Manual page 232

S3C6400 RISC MICROPROCESSOR
PORT C CONTROL REGISTER
There are five control registers including GPCCON, GPCDAT, GPCPUD, GPCCONSLP and GPCPUDSLP in the
Port C Control Registers.
Register
GPCCON 0x7F008040
GPCDAT 0x7F008044
GPCPUD 0x7F008048
GPCCONSLP 0x7F00804C
GPCPUDSLP 0x7F008050
GPCCON
GPC0
GPC1
GPC2
GPC3 [15:12]
GPC4 [19:16]
GPC5 [23:20]
GPC6 [27:24]
GPC7 [31:28]
Address R/W
R/W
R/W
R/W
R/W
R/W
Bit
[3:0] 0000 = Input
0010 = SPI MISO[0]
0100 = Reserved
0110 = Reserved
[7:4] 0000 = Input
0010 = SPI CLK[0]
0100 = Reserved
0110 = Reserved
[11:8] 0000 = Input
0010 = SPI MOSI[0]
0100 = Reserved
0110 = Reserved
0000 = Input
0010 = SPI CSn[0]
0100 = Reserved
0110 = Reserved
0000 = Input
0010 = SPI MISO[1]
0100 = Reserved
0110 = Reserved
0000 = Input
0010 = SPI CLK[1]
0100 = Reserved
0110 = Reserved
0000 = Input
0010 = SPI MOSI[1]
0100 = Reserved
0110 = Reserved
0000 = Input
0010 = SPI CSn[1]
0100 = Reserved
0110 = Reserved
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Description
Port C Configuration Register
Port C Data Register
Port C Pull-up/down Register
Port C Sleep mode Configuration Register
Port C Sleep mode Pull-up/down Register
Description
0001 = Output
0011 = reserved
0101 = ADDR_CF[0]
0111 = External Interrupt Group 2[0]
0001 = Output
0011 = reserved
0101 = ADDR_CF[1]
0111 = External Interrupt Group 2[1]
0001 = Output
0011 = reserved
0101 = ADDR_CF[2]
0111 = External Interrupt Group 2[2]
0001 = Output
0011 = reserved
0101 = Reserved
0111 = External Interrupt Group 2[3]
0001 = Output
0011 = MMC CMD2
0101 = Reserved
0111 = External Interrupt Group 2[4]
0001 = Output
0011 = MMC CLK2
0101 = Reserved
0111 = External Interrupt Group 2[5]
0001 = Output
0011 = reserved
0101 = Reserved
0111 = External Interrupt Group 2[6]
0001 = Output
0011 = reserved
0101 = Reserved]
0111 = External Interrupt Group 2[7]
GPIO
Reset Value
0x00
Undefined
0x00005555
0x0
0x0
Initial State
0000
0000
0000
0000
0000
0000
0000
0000
11
10-