
S3C84E5/C84E9/P84E9 CONTROL REGISTER
4-25
P4CONL — Port 4 Control Register (Low Byte) F1H Set 1, Bank 0
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
Reset Value 0 0 0 0 0 0 0 0
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/TBPWM
0 0 Input mode with pull-up
0 1 Input mode
1 0 Push-pull output mode
1 1 Alternative function mode: TBPWM output
.5–.4 P4.2/INT10
0 0 Input mode with pull-up; falling edge interrupt (INT10)
0 1 Input mode; falling edge interrupt (INT10)
1 0 Input mode; rising edge interrupt (INT10)
1 1 Push-pull output mode
.3–.2 P4.1/INT9
0 0 Input mode with pull-up; falling edge interrupt (INT9)
0 1 Input mode; falling edge interrupt (INT9)
1 0 Input mode; rising edge interrupt (INT9)
1 1 Push-pull output mode
.1–.0 P4.0/INT8
0 0 Input mode with pull-up; falling edge interrupt (INT8)
0 1 Input mode; falling edge interrupt (INT8)
1 0 Input mode; rising edge interrupt (INT8)
1 1 Push-pull output mode