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I/O PORTS S3C9228/P9228
9-8
Port 1 Interrupt Edge Selection Register (P1EDGE)
F2H, Page 0, R/W
.7 .6 .5 .4 .3 .2 .1 .0MSB LSB
P1EDGE bit configuration settings:
0
1
P1.3
(INT)
Rising edge detection
Falling edge detection
P1.2
(INT)
P1.1
(INT)
P1.0
(INT)
Not used
Figure 9-10. Port 1 Interrupt Edge Selection Register (P1EDGE)
Port 1 Pull-up Control Register (P1PUR)
F0H, Page 0, R/W
.7 .6 .5 .4 .3 .2 .1 .0MSB LSB
P1PUR bit configuration settings:
0
1
Enable pull-up resistor
Disable pull-up resistor
Not used P1.3 P1.2 P1.1 P1.0
Figure 9-11. Port 1 Pull-up Control Register (P1PUR)