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Altera_Forum
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16 years ago

Warning: No Clocks Defined in Design

Everytime I compile my design in the Quartus II software (the web edition), I get a warning that states "No clocks defined in design" even though in my .bdf file I have an altpll block with the input...
Altera_Forum's avatar
Altera_Forum
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16 years ago

I think, the problem is that an external clock input is missing. I'm not sure, whether you can use an internal pll as clock without any external clock.