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BaronBlackhawk's avatar
BaronBlackhawk
Icon for New Contributor rankNew Contributor
3 years ago

SOF file won't compress into a POF file

I have been slowly developing my FPGA code, and up until now, I have had no trouble fitting it into a POF file, but now I'm getting this message. I'm developing for a Cyclone V (5CEFA9U19I7)...
FvM's avatar
FvM
Icon for Super Contributor rankSuper Contributor
3 years ago

Guess it doesn't work. I see already 30 Mbit image size with A9 and 4% ALM utilization. Need 64 Mbit flash.

  • BaronBlackhawk's avatar
    BaronBlackhawk
    Icon for New Contributor rankNew Contributor
    3 years ago

    If I eliminate one stage of FIR filtering (using 20 hardwaree multipliers) it works. I can compile and it will produce a POF file that loads.

    Changing to the EPCQ64A is problematic because it is a 16 pin soic not an 8 pin soic. I could probably scab one on but I think I'll try to reduce my multiplier usage by changing the number of taps in my filters.