S3C8245/P8245/C8249/P8249 I/O PORTS

9-13

Port 4 Control Register, Low Byte (P4CONL)
EDH, Set 1, Bank 1, R/W
.7 .6 .5 .4 .3 .2 .1 .0MSB LSB
P4.2/SEG18 P4.1/SEG17 P4.0/SEG16
P4CONL bit-pair pin configuration settings:
00
01
10
11 Output mode, push-pull
Input mode, pull-up
P4.3/SEG19
Input mode
Opendrain output mode
NOTE:
If LCD is enabled by LCON.4, SEG signal go out
otherwise port 4 I/0 can be selected.
Figure 9-13. Port 4 Low-Byte Control Register (P4CONL)