Samsung S3C9228/P9228 사용자 설명서
INTERRUPT STRUCTURE
S3C9228/P9228
5-6
Programming Tip —
How to clear an interrupt pending bit
As the following examples are shown, a load instruction should be used to clear an interrupt pending bit.
Examples:
1.
LD
INTPND1, #11111011B
; Clear P0.2's interrupt pending bit
•
•
•
IRET
2.
LD
INTPND2, #11110111B
; Clear watch timer interrupt pending bit
•
•
•
IRET