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Altera_Forum's avatar
Altera_Forum
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10 years ago

NiosII continuously rebooting

Hi, My niosII is continuously rebooting at the same code position. The Nios is running on an external SDRAM (I'm using a cyclone IV EP4CE30F484). The memory test runs OK (it looks like the memo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

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Are you using interrupts? If you have some code that make the CPU crash in an ISR it will appear to crash at random locations.

If you debug it step by step does it also end up rebooting?

Do you have anything connected on the reset signal in your QSys project? Could something on the hardware level trigger a reset?

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He mentioned earlier no interrupt been used, quite strange issue.