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Altera_Forum
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11 years ago

Multiple interrupts on single PIO input event

Hi, I've been trying to use User push buttons in an applications. I've modified the Standard Ethernet Example from Altera to include VIC and shadow registers. The design example conf...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Is the edge capture feature enabled in your PIO configuration? Otherwise the edge cap register is not implemented and irq is level sensitive, namely it continuously triggers as long as the input is active.