PRELIMINARY
S3C6400 RISC MICROPROCESSOR
GPIO
10-
27
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.
PORT K CONTROL REGISTERS
There are four control registers including GPKCON0, GPKCON1, GPKDAT, and GPKPUD in the Port K Control
Registers.
Register
Address
R/W
Description
Reset Value
GPKCON0
0x7F008800
R/W
Port K Configuration Register 0
0x22222222
GPKCON1
0x7F008804
R/W
Port K Configuration Register 1
0x22222222
GPKDAT
0x7F008808
R/W
Port K Data Register
Undefined
GPKPUD
0x7F00880C
R/W
Port K Pull-up/down Register
0x55555555
GPKCON0
Bit
Description
Initial State
GPK0
[3:0]
0000 = Input
0001 = Output
0010 = Host I/F DATA[0]
0011 = HSI RX READY
0100 = Reserved
0101 = DATA_CF[0]
0110 = Reserved
0111 = Reserved
0010
GPK1
[7:4]
0000 = Input
0001 = Output
0010 = Host I/F DATA[1]
0011 = HSI RX WAKE
0100 = Reserved
0101 = DATA_CF[1]
0110 = Reserved
0111 = Reserved
0010
GPK2
[11:8]
0000 = Input
0001 = Output
0010 = Host I/F DATA[2]
0011 = HSI RX FLAG
0100 = Reserved
0101 = DATA_CF[2]
0110 = Reserved
0111 = Reserved
0010
GPK3
[15:12]
0000 = Input
0001 = Output
0010 = Host I/F DATA[3]
0011 = HSI RX DATA
0100 = Reserved
0101 = DATA_CF[3]
0110 = Reserved
0111 = Reserved
0010
GPK4
[19:16]
0000 = Input
0001 = Output
0010 = Host I/F DATA[4]
0011 = HSI TX READY
0100 = Reserved
0101 = DATA_CF[4]
0110 = Reserved
0111 = Reserved
0010
GPK5
[23:20]
0000 = Input
0001 = Output
0010 = Host I/F DATA[5]
0011 = HSI TX WAKE
0100 = Reserved
0101 = DATA_CF[5]
0110 = Reserved
0111 = Reserved
0010
GPK6
[27:24]
0000 = Input
0001 = Output
0010 = Host I/F DATA[6]
0011 = HSI TX FLAG
0100 = Reserved
0101 = DATA_CF[6]
0110 = Reserved
0111 = Reserved
0010
GPK7
[31:28]
0000 = Input
0001 = Output
0010 = Host I/F DATA[7]
0011 = HSI TX DATA
0100 = Reserved
0101 = DATA_CF[7]
0110 = Reserved
0111 = Reserved
0010