Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 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

Try de-bouncing the switches, your processor is most likely responding so fast that it is capturing multiple events as they are cleared very quickly by the processor. Switches can generate multiple events separated by milliseconds. Since your processor responds in microseconds it can capture multiple events.