Article ID: 000078901 Content Type: Error Messages Last Reviewed: 02/19/2016

Error (175001): Could not place 1 IOPLL, which is within Altera IOPLL

Environment

  • Quartus® II Subscription Edition
  • BUILT IN - ARTICLE INTRO SECOND COMPONENT
    Description

    Due to a problem in the Quartus® II software version 14.1 and earlier, you may see this fitter error when implementing differential clock input in Arria® 10 devices.

    Resolution

    To avoid this error, manually instantiate the differential buffer using the Altera GPIO Megafunction.  

    This problem is scheduled to be fixed in a future release of the Quartus II software.

    Related Products

    This article applies to 3 products

    Intel® Arria® 10 GT FPGA
    Intel® Arria® 10 GX FPGA
    Intel® Arria® 10 SX SoC FPGA