Forum Discussion
lipingx
Occasional Contributor
Occasional Contributorqustion for ddr2 driver ALTMEMPHY
hello, I am not sure how to handle below warning. Whereever the clock pin is put, there is still such warning. I tried to put fpga clock input pin for any bank . Critical Warning (332049): Ignore...
AdzimZM_Altera
Regular Contributor
Regular ContributorHi,
The Quartus will ignore the constraint due to duplicate or not used sources.
Try to check if there any clock constraint has been made to DDR interface.
The DDR interface might generate it's own SDC file to constraint it's clock source.
Regards,
Adzim
lipingxOccasional Contributor
Occasional ContributorI don't see scenario in my case.
You can see below attached code.
