Article ID: 000081206 Content Type: Troubleshooting Last Reviewed: 09/14/2011

Recovery Failure for 10GbE MAC with 10GBASE-R PHY Design Example in Stratix IV Devices

Environment

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

    Critical Issue

    Description

    When you compile the 10GbE MAC with 10GBASE-R PHY design example in Stratix IV devices, the Quartus II TimeQuest Timing Analyzer reports a failure in the Recovery timing analysis report.

    This issue affects the 10GbE MAC with 10GBASE R PHY design example in Stratix IV devices.

    Resolution

    No workaround.

    This issue will be fixed in a future version of the 10-Gbps Ethernet MAC MegaCore function.

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