Article ID: 000085696 Content Type: Product Information & Documentation Last Reviewed: 02/10/2014

How do I set a phase shift in degrees in the ALTPLL megafunction?

Environment

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

    Due to a problem in the Quartus® II version 12.1 SP1 and earlier, you may see the phase shift is not applied in the ALTPLL megafunction when using the wizard. This problem occurs for some frequencies when the phase shift is specified in degrees. The phase shift shown under Actual Settings will be 0.00.

    Resolution

    To work around this problem, specify the phase shift in ns or ps rather than degrees.

    This problem is fixed beginning with the Quartus II software version 13.0.

    Related Products

    This article applies to 1 products

    Intel® Programmable Devices

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