P4Conl Port 4 Control Register Low Byte - Samsung S3C9228 User Manual

S3C9228/P9228_UM_REV1.10
P4CONL
–Port 4 Control Register Low Byte
Bit Identifier
RESET Value
Read/Write
.7-.6
.5-.4
.3-.2
.1-.0
.7 .6
0 0
R/W R/W
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
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
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
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
.5 .4
0 0
R/W R/W R/W
CONTROL REGISTERS
.3 .2 .1
0 0 0
R/W R/W
FAH
.0
0
R/W
4-29