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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

Hello,

I agree that "reserve unused pins as outputs tied to ground" could cause problems and probably shoulnd't been choosed as Quartus default option by Altera. But I think, it doesn't touch pins assigned otherwise. The issue is with pins having a particular hardware function but are yet unassigned in Quartus design. For this reason, I use "input with weak pullup" option (but sometimes, I may forget to change the option).

Regards,

Frank