Article ID: 000084817 Content Type: Error Messages Last Reviewed: 12/11/2015

Error (176138): Can't place differential I/O pins and/or associated SERDES

Environment

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

    You may encounter this error message in the Quartus® Prime software, if you are using Cyclone® IV devices and your output pin uses the LVDS_E_3R I/O standard and is located on a CLKOUT pin.

     

    Resolution

    There is no plan to modify the Quartus Prime software to fix this issue.

    You should not assign an output pin with the LVDS_E_3R I/O standard to a CLKOUT pin when using Cyclone IV devices.

    Related Products

    This article applies to 1 products

    Cyclone® IV GX FPGA

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