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LZhao1's avatar
LZhao1
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5 years ago

Why NCO IP outputs ZERO?

when customer use a NCO IP on Arri10 SX, in Quartus Prime 19.2pro, found that output SIN and COS both are ZERO

5 Replies

  • KhaiChein_Y_Intel's avatar
    KhaiChein_Y_Intel
    Icon for Regular Contributor rankRegular Contributor
    5 years ago

    Hi,

    Could you provide more details? Can you provide a test case and result for investigation?

    Thanks.

    • LZhao1's avatar
      LZhao1
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      5 years ago
      Hi, We found that in Quartus 19.2pro, some .hex files generated by NCO IP has a mismatch location where system needs, so we manually move those .hex files to correct location, then, NCO IP can function right. Maybe in Quartus 19.4pro can fix the problem, I have not verify yet.
  • KhaiChein_Y_Intel's avatar
    KhaiChein_Y_Intel
    Icon for Regular Contributor rankRegular Contributor
    5 years ago

    Hi,

    Can you provide the design and steps to reproduce the error?

    Thanks.

    Best regards,

    KhaiY

    • LZhao1's avatar
      LZhao1
      Icon for New Contributor rankNew Contributor
      5 years ago
      Hi， The issue has been solved, thanks for your support!