Samsung S3C6400X User Manual page 258

S3C6400 RISC MICROPROCESSOR
PORT O CONTROL REGISTERS
There are five control registers including GPOCON, GPODAT, GPOPUD, POCONSLP and GPOPUDSLP in the
Port O Control Registers.
Register
GPOCON 0x7F008140
GPODAT 0x7F008144
GPOPUD 0x7F008148
GPOCONSLP 0x7F00814C
GPOPUDSLP 0x7F008150
GPOCON
GPO0
GPO1
GPO2
GPO3
GPO4
GPO5 [11:10]
GPO6 [13:12]
GPO7 [15:14]
GPO8 [17:16]
GPO9 [19:18]
GPO10 [21:20]
GPO11 [23:22]
GPO12 [25:24]
GPO13 [27:26]
Address R/W
R/W
R/W
R/W
R/W
R/W
Bit
[1:0] 00 = Input
10 = MEM0_nCS[2]
[3:2] 00 = Input
10 = MEM0_nCS[3]
[5:4] 00 = Input
10 = MEM0_nCS[4]
[7:6] 00 = Input
10 = MEM0_nCS[5]
[9:8] 00 = Input
10 = MEM0_nCS[6]
00 = Input
10 = MEM0_nCS[7]
00 = Input
10 = MEM0_ADDR[6]
00 = Input
10 = MEM0_ADDR[7]
00 = Input
10 = MEM0_ADDR[8]
00 = Input
10 = MEM0_ADDR[9]
00 = Input
10 = MEM0_ADDR[10] 11 = Ext. Interrupt Group7 [10]
00 = Input
10 = MEM0_ADDR[11] 11 = Ext. Interrupt Group7 [11]
00 = Input
10 = MEM0_ADDR[12] 11 = Ext. Interrupt Group7 [12]
00 = Input
10 = MEM0_ADDR[13] 11 = Ext. Interrupt Group7 [13]
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.
Description
Port O Configuration Register
Port O Data Register
Port O Pull-up/down Register
Port O Sleep mode Configuration Register
Port O Sleep mode Pull-up/down Register
Description
01 = Output
11 = Ext. Interrupt Group7[0]
01 = Output
11 = Ext. Interrupt Group7 [1]
01 = Output
11 = Ext. Interrupt Group7 [2]
01 = Output
11 = Ext. Interrupt Group7 [3]
01 = Output
11 = Ext. Interrupt Group7 [4]
01 = Output
11 = Ext. Interrupt Group7 [5]
01 = Output
11 = Ext. Interrupt Group7 [6]
01 = Output
11 = Ext. Interrupt Group7 [7]
01 = Output
11 = Ext. Interrupt Group7 [8]
01 = Output
11 = Ext. Interrupt Group7 [9]
01 = Output
01 = Output
01 = Output
01 = Output
GPIO
Reset Value
0xAAAAAAAA
Undefined
0x0
0x0
0x0
Initial State
10
10
10
10
10
10
10
10
10
10
10
10
10
10
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