Forum Discussion

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

How to create a clock in SDC file for EMIF User Clock output?

I'm using an EMIF in a Cyclone 10GX design. I use the User Clock output for a lot of stuff, and need to define assorted timing constraints against it. Therefore I need it to be a named clock in my ...
sstrell's avatar
sstrell
Icon for Super Contributor rankSuper Contributor
5 years ago

Is the timing analyzer showing this as an unconstrained clock? It should be constrained by the .sdc generated by the IP. Do you see it in the clocks report in the timing analyzer (not sure if what you mentioned was the timing analyzer report or something else)?

If it's there and the unconstrained paths report does not show it as unconstrained, it should be able to be referenced in your other constraints. Have you tried searching for the clock using the Name Finder or the Report Timing dialog box in the GUI?

#iwork4intel