Article ID: 000081650 Content Type: Troubleshooting Last Reviewed: 12/31/2012

Why is rx_freqlocked stuck low after channel reconfiguration when using multiple reconfiguration controllers in Cyclone IV GX devices?

Environment

  • Cyclone® IV GX FPGA
  • Quartus® II Subscription Edition
  • BUILT IN - ARTICLE INTRO SECOND COMPONENT
    Description

    rx_freqlocked may be stuck low after channel reconfiguration when using multiple reconfiguration controllers in Cyclone® IV GX devices due to a bug in Quartus® II software versions 12.0 and earlier.

    Resolution

    To work around this problem, install Quartus II software version 12.0 or later.

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