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Altera_Forum's avatar
Altera_Forum
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13 years ago

Weak pull-up setting is ignored

Hi, please help me with this issue. I am stuck with enabling weak pull-up on the I/O pins. I set whole bus's defined by the location earlier weak pull-ups to ON, but fitter ignores it. How to do it p...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

I'm not sure what you mean by "the fitter ignores it" but the pullup may be weaker than you think. Try using the Assignment Editor to assign "Passive Resistor" which can be pulled either up or down.