Article ID: 000074915 Content Type: Troubleshooting Last Reviewed: 07/06/2012

Recovered Clock Not Supported for Arria V GT Designs

Environment

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

    Critical Issue

    Description

    This errata affects the Triple-Speed MegaCore function.

    The MegaCore function does not support recovered clock for designs that target Arria V GT devices. The Quartus II software fails to fit and merge the transceivers when the rx_recovclkout clock is connected to an output pin.

    This issue affects all design that target Arria V GT devices.

    Resolution

    Manually assign the transceiver channels away from the bottom-most triplet for designs targeting Arria V GT devices.This issue will be fixed in a future version of the Triple-Speed Ethernet MegaCore function.

    Related Products

    This article applies to 1 products

    Intel® Programmable Devices