P4con – Samsung S3F80JB User Manual
Page 101
CONTROL REGISTERS
S3F80JB
4-34
P4CON
— Port 4 Control Register
F0H Set1 Bank0
Bit
Identifier
.7 .6 .5 .4 .3 .2 .1 .0
Reset 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
Addressing Mode
Register addressing mode only
.7
P4.7 Mode Selection Bit
0 Open-drain
output
mode
1 Push-pull
output
mode
.6
P4.6 Mode Selection Bit
0 Open-drain
output
mode
1 Push-pull
output
mode
.5
P4.5 Mode Selection Bit
0 Open-drain
output
mode
1 Push-pull
output
mode
.4
P4.4 Mode Selection Bit
0 Open-drain
output
mode
1 Push-pull
output
mode
.3
P4.3 Mode Selection Bit
0 Open-drain
output
mode
1 Push-pull
output
mode
.2
P4.2 Mode Selection Bit
0 Open-drain
output
mode
1 Push-pull
output
mode
.1
P4.1 Mode Selection Bit
0 Open-drain
output
mode
1 Push-pull
output
mode
.0
P4.0 Mode Selection Bit
0 Open-drain
output
mode
1 Push-pull
output
mode