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Altera_Forum
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10 years ago

ALT_PLL SIMULATION with Cyclone V, cannot get activity on outputs in Modlesim

Hello, I am using Quartus II version 15 and have started with very simple code that only implements the ALT_PLL function and nothing more. The PLL is very basic, 70MHz in, 3 out... 1 at 70MHz 0degree...
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Altera_Forum
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10 years ago

I don't understand the ALT_PLL point. ALT_PLL instances without device specifc parameters will be simply mapped to Altera PLL. Otherwise expect a warning.

I expect a rather trivial issue. Did you set Modelsim time resolution to 1 ps, as required for PLL simulation?