Article ID: 000078839 Content Type: Error Messages Last Reviewed: 08/05/2015

Warning: <fPLL instance name>.xcvr_fpll_a10_0: The value of parameter cmu_fpll_pll_n_counter_coarse_dly cannot be automatically resolved. Valid value ranges are: {0 ps} {200 ps} {400 ps} {600 ps} {800 ps} {1.0 ns}.

Environment

  • Arria® FPGAs
  • Intel® Arria® 10 GX FPGA
  • Intel® Arria® 10 FPGAs and SoC FPGAs
  • Quartus® II Subscription Edition
  • BUILT IN - ARTICLE INTRO SECOND COMPONENT
    Description

    Due to a problem in the Quartus® II software version 14.0 Arria® 10 Edition and later, you may observe the following warnings in the IP Parameter Editor when instantiating the Arria 10 fPLL:

    Warning: <fPLL instance name>.xcvr_fpll_a10_0: The value of parameter cmu_fpll_pll_n_counter_coarse_dly cannot be automatically resolved. Valid value ranges are: {0 ps} {200 ps} {400 ps} {600 ps} {800 ps} {1.0 ns}.

    Warning: <fPLL instance name>.xcvr_fpll_a10_0: The value of parameter cmu_fpll_pll_n_counter_fine_dly cannot be automatically resolved. Valid value ranges are: {0 ps} {50 ps} {100 ps} {150 ps}.

    Warning: <fPLL instance name>.xcvr_fpll_a10_0: The value of parameter cmu_fpll_pll_ref_buf_dly cannot be automatically resolved. Valid value ranges are: {0 ps} {1.0 ns} {2.0 ns} {3.0 ns} {4.0 ns} {5.0 ns}.

    Resolution This is a known bug in Quartus II software version 14.0 Arria 10 Edition and later. You may ignore these false warnings. This problem will be fixed in a future version of the Quartus II software.

    Disclaimer

    1

    All postings and use of the content on this site are subject to Intel.com Terms of Use.