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cjak's avatar
cjak
Icon for Occasional Contributor rankOccasional Contributor
5 months ago

Timing analysis - long combinational path

Hi, Running Timing Analyzer I get violations due to long combinational paths. Looking at the path in the technology map viewer, it looks like this leftmost block = registerbank holding a config...
Timing
ShengN_altera's avatar
ShengN_altera
Icon for Super Contributor rankSuper Contributor
4 months ago

Does your problem resolved? Do you need further help? If yes, possible provide your project file?

cjak's avatar
cjak
Icon for Occasional Contributor rankOccasional Contributor
4 months ago

No, I have not achieved timing closure, and the redesigned filter seem to achieve a lower fmax than the original implementation. Unfortunately I cannot share the design.

  • ShengN_altera's avatar
    ShengN_altera
    Icon for Super Contributor rankSuper Contributor
    4 months ago

    I believe the violation at the filter right. Could you provide the filter full file? What frequency does the filter run at?

    • cjak's avatar
      cjak
      Icon for Occasional Contributor rankOccasional Contributor
      4 months ago

      Sorry for the slow response.

      Yes, the filter causes most of the violations at the moment. Please find the filter-module attached.

      • cjak's avatar
        cjak
        Icon for Occasional Contributor rankOccasional Contributor
        4 months ago

        For some reason the chosen file to attach, does not seem to be uploaded...