Computer Hardware User Manual

I/O PORTS S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
9-16
Port 4 Control Register, Low Byte (P4CONL)
EAH, Set 1, Bank 1, R/W
.7 .6 .5 .4 .3 .2 .1 .0MSB LSB
P4.1/SEG14 P4.0/SEG15
P4CONH bit-pair pin configuration settings:
00
01
10
11
Push-pull output mode
Alternative function (SEG12-SEG15)
Input with pull-up resistor
Input mode
P4.2/SEG13P4.3/SEG12
Figure 9-20. Port 4 Low-Byte Control Register (P4CONL)