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Altera_Forum's avatar
Altera_Forum
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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

After closely analyzing the pins Quartus was Warning me about, I have determined all these pins are the Active Parallel Dual Mode Pins- 47 Pins.

When I change the configuration mode, then I get 4 warnings.