Forum Discussion

PDone's avatar
PDone
Icon for Occasional Contributor rankOccasional Contributor
5 years ago

Cannot Cascade PLL

I am using cyclone V and Quartus 18.1 I am cascading two PLLs. the first one has an input of 20 MHz and outputs of 80 MHz and 75 MHz. It is direct and integer. The second one uses the 80 MHz o...