Forum Discussion
PDone
Occasional Contributor
5 years agoCannot 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...
Ash_R_Altera
Regular Contributor
5 years agoHi Peter,
Found this Knowledge base article with similar warning message:
Though the Quartus version is different, you may try the solution provided there.
Please let us know if it works for you.
Regards.