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ACoga's avatar
ACoga
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7 years ago

Hello, In my design I keep getting hold time violation warnings. "From Node" and "To Node" in the TimeQuest indicate the same signal.

Most of the signals relate to NIOS. The design based on a single 100MHz clock. There is an additional clock 12.5MHz generated in pll in QSYS and connected only to epcs flash controller. I've seen sim...
ACoga's avatar
ACoga
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7 years ago

Thank you @Abe​ , I just have tried to change the phase by 90 deg., got a different result, but the hold warnings still here... I'll try different phases.

I don't really expect to see hold violations, there is a problem here and I can't figure out what could it be.

Thank you.