Forum Discussion

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

Fitter error.

Hi, I am getting an error in the fitter: Error: Differential I/O input pin CLK_155_P is assigned to a non differential location J38. However, it must be assigned to a differential input loca...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

With Stratix IV, you can't have unused pins assigned to Transceiver pins or reference clock pins. You need to comment them out of your design until you are ready to use them.

Jake