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HypeInst's avatar
HypeInst
Icon for New Contributor rankNew Contributor
4 years ago

NCO IP uses far too many M10K blocks

When I add one (1) NCO from Intel's IP Catalog to my design, the M10K-block usage increases by 576, exceeding the capacity of the Cyclone V device. The Intel NCO IP Core User Guide states that M10K...
Nurina's avatar
Nurina
Icon for Regular Contributor rankRegular Contributor
4 years ago

Hi,


I'm able to see that the NCO IP is using 576 M10K blocks.


Can you try using CORDIC generation algorithm instead of multiplier-based to see if it satisfies your requirement even though it has lower FMax.


Can you let me know why you want to use multiplier-based?


Regards,

Nurina


  • Nurina's avatar
    Nurina
    Icon for Regular Contributor rankRegular Contributor
    4 years ago

    Hi,

    So I tried using the CORDIC generation algorithm and it uses an expected amount of M10K memory blocks, but with a lower Fmax (also expected). Would this satisfy your design needs?

    Regards,

    Nurina

    • HypeInst's avatar
      HypeInst
      Icon for New Contributor rankNew Contributor
      4 years ago

      Hi Nurina,

      I prefer to use a multiplier-based NCO due to application performance requirements. I'll be happy for this issue to be reported to the correct department to be corrected in a future Quartus Prime release.

      Thank you and regards,

      HypeInst