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SHard2's avatar
SHard2
Icon for Occasional Contributor rankOccasional Contributor
6 years ago

FIR Filter fails with warnings in ModelSim

Hi I am using DSP Builder to generate a design containing a number of FIR filters. When run in ModelSim the following warning is given for each clock edge 'Warning: There is an 'U'|'X'|'W'|'Z'|'-' i...
CheepinC_altera's avatar
CheepinC_altera
Icon for Regular Contributor rankRegular Contributor
6 years ago

Hi Simon,

Thanks for your update. For your information, I am able to replicate your warning observation using Q17.0Std + R2015a in my local PC. As I check the Modelsim simulation, seems like the simulation looks fine.

As I search through the web, I am able find the following KDB on similar error:

https://www.intel.com/content/www/us/en/programmable/support/support-resources/knowledge-base/solutions/rd04172014_891.html

The KDB should be applicable to SIV device as well and you may safely ignore the warning.

Please let me know if there is any concern. Thank you.