S3C8245/P8245/C8249/P8249 CONTROL REGISTER
4-33
P4CONL Port 4 Control Register (Low Byte)EDHSet 1, Bank 1
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
nRESET Value 00000000
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–.6 P4.3/SEG19 Mode Selection Bits
0 0 Input mode
0 1 Input mode, pull-up
1 0 Open-drain output mode
1 1 Push-pull output mode
.5–.4 P4.2/SEG18 Mode Selection Bits
0 0 Input mode
0 1 Input mode, pull-up
1 0 Open-drain output mode
1 1 Push-pull output mode
.3–.2 P4.1/SEG17 Mode Selection Bits
0 0 Input mode
0 1 Input mode, pull-up
1 0 Open-drain output mode
1 1 Push-pull output mode
.1–.0 P4.0/SEG16 Mode Selection Bits
0 0 Input mode
0 1 Input mode, pull-up
1 0 Open-drain output mode
1 1 Push-pull output mode