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AVasi19's avatar
AVasi19
Icon for New Contributor rankNew Contributor
6 years ago

ModelSim FFT simulation returns nothing but zeros

Hi, I'm having trouble with simulating FFT in ModelSim. Althoug i've asserted all input signals (as shown on figure_1(2019.06.20 20-01-25)), output of FFT stuck at zero. No valids, no SOP/EOP or d...
AndyN's avatar
AndyN
Icon for Occasional Contributor rankOccasional Contributor
6 years ago

You probably just need to assert reset at the beginning of your sim to get the core to a known state. From the looks of your screenshot, your reset is never low at the start...