Article ID: 000087169 Content Type: Install & Setup Last Reviewed: 07/19/2021

Error: LVDS SDC cannot find IOPLL. Ensure IOPLL SDC is listed before LVDS SDC in qsf

Environment

  • Intel® Quartus® Prime Pro Edition
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    Description

    Due to a problem in the Intel® Quartus® Prime Pro Edition software version 19.1, you may see this error message in projects that include the LVDS SERDES Intel® FPGA IP configured in External PLL Mode.

    The error may be seen even if the Quartus® Prime IP File (.qip) of the IOPLL Intel® FPGA IP is listed before the '.qip' file of the LVDS SERDES Intel® FPGA IP in the project Quartus® Prime Settings File (.qsf).

    Resolution

    A patch is available to fix this problem for the Intel® Quartus® Prime Edition Pro software version 19.1

    Download and install Patch 0.19 for the Intel® Quartus® Prime Edition Pro software version 19.1 from the appropriate link below

    (To download .run file, right-click on the above link and choose “Save link as”)

    Intel® Quartus® Prime Edition Pro software version 19.1 patch

    This problem is fixed starting with in the Intel® Quartus® Prime Pro Edition software version 19.2.

    Related Products

    This article applies to 1 products

    Intel® Stratix® 10 FPGAs and SoC FPGAs

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