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S3C9228/P9228 CONTROL REGISTERS
4-29
P4CONL–Port 4 Control Register Low Byte FAH
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
RESETRESET Value
0 0 0 0 0 0 0 0
Read/Write
R/W R/W R/W R/W R/W R/W R/W R/W
.7-.6
P4.3/SEG7 Configuration Bits
0 0 Input mode
0 1 Push-pull output
1 0 N-channel open-drain output
1 1 Input, pull-up mode
.5-.4
P4.2/SEG6 Configuration Bits
0 0 Input mode
0 1 Push-pull output
1 0 N-channel open-drain output
1 1 Input, pull-up mode
.3-.2
P4.1/SEG5 Configuration Bits
0 0 Input mode
0 1 Push-pull output
1 0 N-channel open-drain output
1 1 Input, pull-up mode
.1-.0
P4.0/SEG4 Configuration Bits
0 0 Input mode
0 1 Push-pull output
1 0 N-channel open-drain output
1 1 Input, pull-up mode