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PRELIMINARY
GPIO
S3C6400 RISC MICROPROCESSOR
10-
22
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.
GPHCON1
Bit
Description
Initial State
GPH8
[3:0]
0000 = Input
0001 = Output
0010 = MMC DATA1[6] 0011 = MMC DATA2[2]
0100 = Reserved
0101 = Reserved
0110 = ADDR_CF[2]
0111 = External Interrupt Group 6[8]
0000
GPH9
[7:4]
0000 = Input
0001 = Output
0010 = MMC DATA1[7] 0011 = MMC DATA2[3]
0100 = Reserved
0101 = Reserved
0110 = Reserved
0111 = External Interrupt Group 6[9]
0000
GPHDAT
Bit
Description
GPH[9:0]
[9:0]
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.
GPHPUD
Bit
Description
GPH[n] [2n+1:2n]
n = 0~9
00 = pull-up/down disabled
01 = pull-down enabled
10 = pull-up enabled
11 = Reserved.
GPHSLPCON
Bit
Description
Initial State
GPH[n] [2n+1:2n]
n = 0~9
00 = output 0
01 = output 1
10 = input
11 = Previous state
00
GPHPUDSLP
Bit
Description
GPH[n] [2n+1:2n]
n = 0~9
00 = pull-up/down disabled
01 = pull-down enabled
10 = pull-up enabled
11 = Reserved.