CONTROL REGISTERS S3C8245/P8245/C8249/P8249
4-32
P4CONH Port 4 Control Register (High Byte)ECH Set 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 P4.7/SEG23 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 P4.6/SEG22 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 P4.5/SEG21 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 P4.4/SEG20 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