Article ID: 000080148 Content Type: Error Messages Last Reviewed: 02/08/2013

Error: ALTLVDS_RX megafunction has been instantiated with a rx_cda_reset port

Environment

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

    Critical Issue

    Description

    If, in the Quartus II software version 12.1 or later, you migrate an ALTLVDS_RX megafunction that satisfies all of the following conditions:

    • Targets an Arria V or Cyclone V device
    • Was created with the MegaWizard Plug-In Manager prior to version 12.1
    • Had the Use 'rx_channel_data_align' input port and the Use ‘rx_cda_reset’ input port options enabled

    The following error message might appear in the quartus_map executable:

    Error: ALTLVDS_RX megafunction has been instantiated with a rx_cda_reset port, but this port is not supported in the Arria V/Cyclone V device family.

    Resolution

    Regenerate the ALTLVDS_RX core in the MegaWizard Plug-In Manager of the later version of the Quartus II software. In the ALTLVDS_RX generation window, select the Parameter Settings tab and then click the Receiver settings tab. Deselect the Use ‘rx_cda_reset’ input port option. Click the Next button in subsequent windows until the summary of files appears. Click the Finish button.

    Related Products

    This article applies to 2 products

    Arria® V FPGAs and SoC FPGAs
    Cyclone® V FPGAs and SoC FPGAs

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