CONTROL REGISTERS S3C9228/P9228
4-18
P1CON – Port 1 Control Register EFH
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
RESETRESET Value 00000000
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
.7-.6 P1.3/AD3/INT Configuration Bits
0 0 Schmitt trigger input
0 1 Push-pull output
1 0 N-channel open-drain output
1 1 Alternative function (ADC mode)
.5-.4 P1.2/AD2/INT Configuration Bits
0 0 Schmitt trigger input
0 1 Push-pull output
1 0 N-channel open-drain output
1 1 Alternative function (ADC mode)
.3-.2 P1.1/AD1/INT Configuration Bits
0 0 Schmitt trigger input
0 1 Push-pull output
1 0 N-channel open-drain output
1 1 Alternative function (ADC mode)
.1-.0 P1.0/AD0/INT Configuration Bits
0 0 Schmitt trigger input
0 1 Push-pull output
1 0 N-channel open-drain output
1 1 Alternative function (ADC mode)