Article ID: 000074162 Content Type: Troubleshooting Last Reviewed: 07/02/2012

MAC Function Stops Reading from Receive FIFO Buffer before Almost Empty Threshold is Reached

Environment

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

    Critical Issue

    Description

    This errata affects the Triple-Speed Ethernet MegaCore function.

    The MAC function stops reading from the receive FIFO buffer and de-asserts the ff_rx_dval signal before the number of unread entries in the buffer reaches the almost empty threshold.

    This issue affects variants of MAC function with internal FIFO buffer.

    Resolution

    This issue has no workaround.This issue is fixed in version 11.1 SP1 of the Triple-Speed Ethernet MegaCore function.

    Related Products

    This article applies to 1 products

    Intel® Programmable Devices

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