Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Clock failed

I got these warnings in Quartus. Please help me fix. :) Warning: The master clock for this clock assignment could not be derived. Clock: pll|sd1|pll7|clk was not created. Warning: Specifie...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

I tried to reproduce the warning message you see. But I didn't see these messages when I synthesize this example.

I using Quartus II 11.1 SP2 just to make sure that the software version is not causing this.

I attached my example QAR file to this message. Try this to see if you still see the warning messages.