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PRELIMINARY
S3C6400 RISC MICROPROCESSOR
GPIO
10-
21
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 H CONTROL REGISTERS
There are six control registers including GPHCON0, GPHCON1, GPHDAT, GPHPUD, GPHCONSLP and
GPHPUDSLP in the Port H Control Registers.
Register
Address
R/W
Description
Reset Value
GPHCON0 0x7F0080E0
R/W
Port
H
Configuration Register
0x00
GPHCON1 0x7F0080E4
R/W
Port
H
Configuration Register
0x00
GPHDAT
0x7F0080E8
R/W
Port H Data Register
Undefined
GPHPUD 0x7F0080EC
R/W
Port
H
Pull-up/down Register
0x00055555
GPHCONSLP
0x7F0080F0
R/W
Port H Sleep mode Configuration Register
0x0
GPHPUDSLP
0x7F0080F4
R/W
Port H Sleep mode Pull-up/down Register
0x0
GPHCON0
Bit
Description
Initial State
GPH0
[3:0]
0000 = Input
0001 = Output
0010 = MMC CLK1
0011 = reserved
0100 = Key pad COL[0] 0101 = ADDR_CF[0]
0110 = Reserved
0111 = External Interrupt Group 6[0]
0000
GPH1
[7:4]
0000 = Input
0001 = Output
0010 = MMC CMD1
0011 = reserved
0100 = Key pad COL[1] 0101 = ADDR_CF[1]
0110 = Reserved
0111 = External Interrupt Group 6[1]
0000
GPH2
[11:8]
0000 = Input
0001 = Output
0010 = MMC DATA1[0] 0011 = reserved
0100 = Key pad COL[2] 0101 = ADDR_CF[2]
0110 = Reserved
0111 = External Interrupt Group 6[2]
0000
GPH3
[15:12]
0000 = Input
0001 = Output
0010 = MMC DATA1[1] 0011 = reserved
0100 = Key pad COL[3] 0101 = Reserved
0110 = Reserved
0111 = External Interrupt Group 6[3]
0000
GPH4
[19:16]
0000 = Input
0001 = Output
0010 = MMC DATA1[2] 0011 = reserved
0100 = Key pad COL[4] 0101 = Reserved
0110 = Reserved
0111 = External Interrupt Group 6[4]
0000
GPH5
[23:20]
0000 = Input
0001 = Output
0010 = MMC DATA1[3] 0011 = reserved
0100 = Key pad COL[5] 0101 = Reserved
0110 = Reserved
0111 = External Interrupt Group 6[5]
0000
GPH6
[27:24]
0000 = Input
0001 = Output
0010 = MMC DATA1[4] 0011 = MMC DATA2[0]
0100 = Key pad COL[6] 0101 = Reserved
0110 = ADDR_CF[0]
0111 = External Interrupt Group 6[6]
0000
GPH7
[31:28]
0000 = Input
0001 = Output
0010 = MMC DATA1[5] 0011 = MMC DATA2[1]
0100 = Key pad COL[7] 0101 = Reserved
0110 = ADDR_CF[1]
0111 = External Interrupt Group 6[7]
0000