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I/O PORTS S3C2440A RISC MICROPROCESSOR
9-22
PORT J CONTROL REGISTERS(GPJCON, GPJDAT)
Register Address R/W Description Reset Value
GPJCON 0x560000d0 R/W Configures the pins of port J 0x0
GPJDAT 0x560000d4 R/W The data register for port J Undef.
GPJUP 0x560000d8 R/W pull-up disable register for port J 0x0000
Reserved 0x560000dc - - -
GPJCON Bit Description
GPJ12 [25:24] 00 = Input 01 = Output
10 = CAMRESET 11 = Reserved
GPJ11 [23:22] 00 = Input 01 = Output
10 = CAMCLKOUT 11 = Reserved
GPJ10 [21:20] 00 = Input 01 = Output
10 = CAMHREF 11 = Reserved
GPJ9 [19:18] 00 = Input 01 = Output
10 = CAMVSYNC 11 = Reserved
GPJ8 [17:16] 00 = Input 01 = Output
10 = CAMPCLK 11 = Reserved
GPJ7 [15:14] 00 = Input 01 = Output
10 = CAMDATA[7] 11 = Reserved
GPJ6 [13:12] 00 = Input 01 = Output
10 = CAMDATA[6] 11 = Reserved
GPJ5 [11:10] 00 = Input 01 = Output
10 = CAMDATA[5] 11 = Reserved
GPJ4 [9:8] 00 = Input 01 = Output
10 = CAMDATA[4] 11 = Reserved
GPJ3 [7:6] 00 = Input 01 = Output
10 = CAMDATA[3] 11 = Reserved
GPJ2 [5:4] 00 = Input 01 = Output
10 = CAMDATA[2] 11 = Reserved
GPJ1 [3:2] 00 = Input 01 = Output
10 = CAMDATA[1] 11 = Reserved
GPJ0 [1:0] 00 = Input 01 = Output
10 = CAMDATA[0] 11 = Reserved