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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
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IRET
2. LD INTPND2, #11110111B ; Clear watch timer interrupt pending bit
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IRET