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Altera_Forum
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16 years ago

Driving Cyclone III PLL using general purpose input pin

In Cyclone III can I use PLL with input as a general purpose input pin (and not dedicated clock input pin) ? I don't want delay compensation (which I already assume it wont be able to do). I ju...
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Altera_Forum
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16 years ago

As a shortcut to the answer, simply notice that Quartus Place&Route fails, when you try to assign a different pin to drive the PLL. You may still want to know, why this is so, but it's a pure theoretical question for the time being.