Forum Discussion
Altera_Forum
Honored Contributor
17 years agoWarning: 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
Honored Contributor
17 years agoI 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.