Article ID: 000075884 Content Type: Troubleshooting Last Reviewed: 10/12/2011

Qsys does not support the Controller shares dq/dqm/addr I/O pins option of the SDRAM Controller

Environment

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

    Critical Issue

    Description

    Qsys does not support the Controller shares dq/dqm/addr I/O pins option of the SDRAM Controller. Attempting to use an SDRAM Controller with Controller shares dq/dqm/addr I/O pins turned on results in an error similar to the following:

    Error: sdram_0: Invalid tristate bridge selection for pin-sharing. Please parameterize the SDRAM to resolve this issue.

    Resolution

    On the Memory Profile page of the Parameter Settings tab of the SDRAM Controller Parameter Editor, turn off Controller shares dq/dqm/addr I/O pins.

    Related Products

    This article applies to 1 products

    Intel® Programmable Devices

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