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Altera_Forum
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16 years ago

Nios interrupt response time

I have a custom SOPC component which has an interrupt sender (irq_n) in it's avalon interface. In my SOPC component HDL I set the irq_n line low, which causes a Nios interrupt handler to fire. In the...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

how is your nios system designed ? -e -s -f Nios ? if you have data cache what about cache flush if the irq occurs ? what memory type do you use whats its latency ?

of course 10000 clocks are a lot, it depends upon how fast nios can realy enter the irq, save the stack and registers and clear your irq