Microcassette Recorder User Manual

S3C9228/P9228 CONTROL REGISTERS
4-27
P3EDGE –Port 3 Interrupt Edge Selection Register F8H
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
RESETRESET Value
– – – – – – 0 0
Read/Write
– – – – – – R/W R/W
.7-.4
Not used for S3C9228/P9228
.1
P3.1's Interrupt State Setting Bit
0 Falling edge interrupt
1 Rising edge interrupt
.0
P3.0's Interrupt State Setting Bit
0 Falling edge interrupt
1 Rising edge interrupt