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Altera_Forum
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13 years ago

Nios II hanging/crashing on PIO write?

I'm using a DE0-Nano board with a design which includes a NIOS II processor with a PIO module to flash the board's LEDs. No problems there - processor works, LEDs flash, jolly good. But, I...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Several ideas:[list][*]the address mapping changed and the software you compiled is still using the old address map that is no longer valid

[*]your new peripherals are using a clock that isn't running and this locks the Avalon bus

[*]the new compiled FPGA project doesn't meet timing requirements[/list]