Samsung S3C6400X User Manual page 261

GPIO
GPP14 [29:28]
GPPDAT
GPP[14:0]
GPPPUD
GPP[n]
GPPCONSLP
GPP[n] [2n+1:2n]
GPPPUDSLP
GPP[n]
Note
1. When the ports are set to memory interface signals, their states are controlled by MEM0CONSTOP in stop
mode, MEM0CONSLP1 in sleep mode
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.
40
10-
00 = Input
10 = MEM0_CData
Bit
[14:0] 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 = 0~14 01 = pull-down enabled
10 = pull-up enabled
11 = Reserved.
Bit
00 = output 0
n = 0~14 01 = output 1
10 = input
11 = Previuos state
Bit
[2n+1:2n] 00 = pull-up/down disabled
n = 0~14 01 = pull-down enabled
10 = pull-up enabled
11 = Reserved.
S3C6400 RISC MICROPROCESSOR
01 = Output
11 = Ext. Interrupt Group8 [14]
Description
Description
Description
Description
10
Initial State
00