Forum Discussion
GD76
Occasional Contributor
Occasional ContributorFitter Error for fractional PLL
The error in fitting is as follows. Going thorugh the knowledge base, not clear what the solution is. It says "Location FRACTIONALPLL_X0_Y38_N0" already occupied. I can move to different location bu...
What device family and Quartus version and edition (Standard, Pro) are you using?
What IP are you using that might be conflicting with the use of a particular PLL?
Have you made I/O pin assignments that might be conflicting?
GD76Occasional Contributor
Occasional ContributorDevice is Cyclone V (5CEFA4F23C7). Quartus Standard version 18.1. There are no IO pin conflict looking thorough the QSF file (attached) The IPs are many DDR2 has pll and NIOS pll, pll reset monitor.
sstrell
Super Contributor
Super ContributorIt looks like you have incremental compilation enabled for the entire design, locking down the placement and routing. That would prevent you from making a change like this. Check the Design Partitions window.
