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PRELIMINARY
GPIO
S3C6400 RISC MICROPROCESSOR
10-
36
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.
GPNDAT
Bit
Description
GPN[15:0]
[15:0]
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.
GPNPUD
Bit
Description
GPN[n] [2n+1:2n]
n = 0~15
00 = pull-up/down disabled
01 = pull-down enabled
10 = pull-up enabled
11 = Reserved.