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Altera_Forum
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18 years ago

Universal PCB

Hi! I'm going to do an universal PCB which is going to work with EP3C10, EPC16 and EP3C25 devices in E144 package. I have a question about first pins. In EP3C10 pins 1, 2 and 3 are IO while in ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

The said pins must be connected to the respective supply voltages.

I would expect, that Quartus said the migration pins to input independent of unused pin settings. But input with weak pullup or input with hold (Cyclone III default) is the best setting anyway to my opinion. It's best compatible also with ground or supply connected pins.