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PRELIMINARY
GPIO
S3C6400 RISC MICROPROCESSOR
10-
12
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.
GPCDAT
Bit
Description
GPC[7:0]
[7:0]
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.
.
GPCPUD
Bit
Description
GPC[n] [2n+1:2n]
n = 0~7
00 = pull-up/down disabled
01 = pull-down enabled
10 = pull-up enabled
11 = Reserved.
GPCSLPCON
Bit
Description
Initial State
GPC[n] [2n+1:2n]
n = 0~7
00 = output 0
01 = output 1
10 = input
11 = Previous state
00
.
GPCPUDSLP
Bit
Description
GPC[n] [2n+1:2n]
n = 0~7
00 = pull-up/down disabled
01 = pull-down enabled
10 = pull-up enabled
11 = Reserved.