Samsung S3C6400X User Manual page 243

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