Article ID: 000081122 Content Type: Troubleshooting Last Reviewed: 12/20/2012

Why do I get a Fitter error when compiling LPDDR2 soft memory controller?

Environment

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

    You may see the following fitter error when compiling the LPDDR2 soft memory controller in the Quartus® II software version 12.0SP2:

    "Error (175020): Illegal constraint of pin to the region (3, 115) to (112, 115): no valid locations in region"

    This is due to a problem with a pre-fitter enhancement that has been fixed in the Quartus II software version 12.1.

    Resolution

    Compile your design with the Quartus II software version 12.1.

    Related Products

    This article applies to 6 products

    Cyclone® V SE SoC FPGA
    Cyclone® V SX SoC FPGA
    Cyclone® V GT FPGA
    Cyclone® V GX FPGA
    Cyclone® V ST SoC FPGA
    Cyclone® V E FPGA

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