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S3C2450X RISC MICROPROCESSOR I/O PORTS
11-27
3.10 PORT K CONTROL REGISTERS (GPKCON, GPKDAT, GPKUDP)
Register Address R/W Description Reset Value
GPKCON 0x560000e0 R/W Configures the pins of port K 0xaaaaaaaa
GPKDAT 0x560000e4 R/W The data register for port K 0x0
GPKUDP 0x560000e8 R/W pull-up/down control register for port K 0x55555555
GPKCON Bit Description
GPK15 [31:30] 00 = Input 01 = Output
10 = Sdata[31] 11 = Reserved
GPK14 [29:28] 00 = Input 01 = Output
10 = Sdata[30] 11 = Reserved
GPK13 [27:26] 00 = Input 01 = Output
10 = Sdata[29] 11 = Reserved
GPK12 [25:24] 00 = Input 01 = Output
10 = Sdata[28] 11 = Reserved
GPK11 [23:22] 00 = Input 01 = Output
10 = Sdata[27] 11 = Reserved
GPK10 [21:20] 00 = Input 01 = Output
10 = Sdata[26] 11 = Reserved
GPK9 [19:18] 00 = Input 01 = Output
10 = Sdata[25] 11 = Reserved
GPK8 [17:16] 00 = Input 01 = Output
10 = Sdata[24] 11 = Reserved
GPK7 [15:14] 00 = Input 01 = Output
10 = Sdata[23] 11 = Reserved
GPK6 [13:12] 00 = Input 01 = Output
10 = Sdata[22] 11 = Reserved
GPK5 [11:10] 00 = Input 01 = Output
10 = Sdata[21] 11 = Reserved
GPK4 [9:8] 00 = Input 01 = Output
10 = Sdata[20] 11 = Reserved
GPK3 [7:6] 00 = Input 01 = Output
10 = Sdata[19] 11 = Reserved
GPK2 [5:4] 00 = Input 01 = Output
10 = Sdata[18] 11 = Reserved
GPK1 [3:2] 00 = Input 01 = Output
10 = Sdata[17] 11 = Reserved
GPK0 [1:0] 00 = Input 01 = Output
10 = Sdata[16] 11 = Reserved