Samsung S3C6400X User Manual page 259

GPIO
GPO14 [29:28]
GPO15 [31:30]
GPODAT
GPO[15:0]
GPOPUD
GPO[n]
GPOCONSLP
GPO[n] [2n+1:2n]
GPOPUDSLP
GPO[n]
Note
1. When the ports are set to memory interface signals, the pull-up/down are disabled
2. When the ports are set to memory interface signals, their states are controlled by MEM0CONSTOP in
stop mode and MEM0CONSLP0 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.
38
10-
00 = Input
10 = MEM0_ADDR[14] 11 = Ext. Interrupt Group7 [14]
00 = Input
10 = MEM0_ADDR[15] 11 = Ext. Interrupt Group7 [15]
Bit
[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.
Bit
[2n+1:2n] 00 = pull-up/down disabled
n = 0~15 01 = pull-down enabled
10 = pull-up enabled
11 = Reserved.
Bit
00 = output 0
n = 0~15 01 = output 1
10 = input
11 = Previuos state
Bit
[2n+1:2n] 00 = pull-up/down disabled
n = 0~15 01 = pull-down enabled
10 = pull-up enabled
11 = Reserved.
S3C6400 RISC MICROPROCESSOR
01 = Output
01 = Output
Description
Description
Description
Description
10
10
Initial State
00