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Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Cyclone3 external clamp diodes

I am getting the following warning and I have no idea why. Do I really need external clamp diodeas? Warning: Following 17 pins must use external clamping diodes. Info: Pin data[0] uses ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Fist ,Quartus must be set in the right condition.

S,check your design.

Your design is the crucial point!

Hope it can help you ！