Article ID: 000080841 Content Type: Troubleshooting Last Reviewed: 03/06/2023

When using the Intel Agilex® 7 FPGA IOPLL Intel® FPGA IP, with IOPLL Type: set to Fabric-Feeding, direct and external feedback Compensation modes are not supported.

Environment

  • Intel® Quartus® Prime Pro Edition
  • IOPLL Intel® FPGA IP
  • BUILT IN - ARTICLE INTRO SECOND COMPONENT

    Critical Issue

    Description

    Due to a problem in the Intel® Quartus® Prime Pro Software Edition Software v19.3 targeting the Intel Agilex® 7 FPGA IOPLL Intel® FPGA IP.

    The IOPLL Intel® FPGA IP will incorrectly allow direct and external feedback Compensation modes selection when the IOPLL Type is set to Fabric-Feeding.

    Neither of these two Compensation Modes is supported when the IOPLL Type is set to Fabric-Feeding.

     

     

    Resolution

    Direct and External feedback compensation modes are not supported when the Intel Agilex® 7 FPGA IOPLL Intel® FPGA IP is in Fabric-Feeding mode.

    These invalid options have been removed starting from v20.1 of the Intel® Quartus® Prime Pro Edition Software.  

     

    Related Products

    This article applies to 3 products

    Intel Agilex® 7 FPGAs and SoC FPGAs
    Intel Agilex® 7 FPGAs and SoC FPGAs F-Series
    Intel Agilex® 7 FPGAs and SoC FPGAs I-Series