Article ID: 000078424 Content Type: Troubleshooting Last Reviewed: 07/01/2013

Calibration May Fail on Some DQS Groups for External Memory Interfaces Targeting Some Arria V Devices

Environment

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

    Critical Issue

    Description

    This problem affects DDR2 and DDR3, LPDDR2, QDR II, RLDRAM II, and RLDRAM 3 products.

    External memory interfaces on Arria V A1, A3, or C3 devices may fail calibration on some DQS groups.

    Resolution

    The workaround for this issue is to install software patch 13.0.dp2 and rerun the assembler to regenerate the SOF file.

    This issue will be fixed in a future version.

    Related Products

    This article applies to 1 products

    Arria® V FPGAs and SoC FPGAs