Forum Discussion

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

Error generating ATLPLL for Cyclone III

Hi, I tried to to generate code for PLL with Megawizard plugin manager. I used multiply factor as 114 and division factor as 7. My input clock frequency is 16 MHz. When I compile the design, I ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

The requested VCO frequency is oustside the specified range of 600 to 1300 MHz. As a (somewhat dubious) workaround, you may want to specify an input frequency of 15.95 MHz.