Article ID: 000085490 Content Type: Troubleshooting Last Reviewed: 02/15/2012

rx_recovclkout Not Supported in Arria V GX

Environment

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

    Critical Issue

    Description

    Designs that include a Triple-Speed Ethernet and target an Arria V GX device do not fit and fail to share a common PLL when you connect the rx_recovclkout clock to an output pin. The issue is due to the PMA Direct configuration that is supported only for the 10-Gbps channels of Arria V GT devices at serial data rates above 6.5536-Gbps.

    Resolution

    Do not connect the rx_recovclkout clock to an output pin in the designs.

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