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Altera_Forum's avatar
Altera_Forum
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18 years ago

7.2sp1 cant produce working sof

I am using a CII dev board with Q7.2sp1 web edition. The PLL in my Q7.2 niosII project seemed to stop working after some unrelated mods, so I installed Q7.2sp1 thinking it might help. I created...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

The problem was the device setting "reserve unused pins as outputs tied to ground". After reading the many posts on this, I can see it is one of the biggest time-wasters in quartus. It might be useful if it did what it said, but as far as I can tell this setting ties ALL usable pins to gnd, including the ones you have assigned as IO.

The feature should be renamed to "break my project, waste my time".