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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

Since it's a clock generated by the IP, you shouldn't have to manually constrain it with a separate generated clock constraint, especially since the direct source is some internal clock of the IP.

Check to make sure that the .qip file for the IP has been added to your Quartus project or that the IP's .sdc files are listed in the project files or timing analyzer settings. Perhaps the IP constraints were not added to your project somehow.

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