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Altera_Forum
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20 years ago

NIOS PIO Interrupt

Hello all, I am monica from germany.I am using NIOS in cyclone FPGA.I have problem with PIO interrupts. Environment details Quartus Software : version 4.2 build 178 01/19/2005 SJ full ...
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Altera_Forum
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20 years ago

I think you have to write something to the edge-detect register to get it to clear the edge-detect flags. If you don't, the interrupt condition will always be present and you'll keep re-entering the ISR.