Samsung S3C9228/P9228 user manual Programming Tip How to clear an interrupt pending bit, Examples

INTERRUPT STRUCTURES3C9228/P9228

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

5-6