Article ID: 000075979 Content Type: Troubleshooting Last Reviewed: 02/28/2013

Input Port CALCLK Not Driven by the Same Source when Compiling Serial Digital Interface Design

Environment

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

    Critical Issue

    Description

    Fitter error occurs when compiling the serial digital interface (SDI) I transmitter only with the Cyclone V device. The error message "Input Port CALCLK must be driven by the same source" is displayed.

    This issue affects the Cyclone V device in 12.1.

    Resolution

    There is no workaround for this issue.

    This issue is fixed in 12.1sp1dp1.

    Related Products

    This article applies to 1 products

    Cyclone® V FPGAs and SoC FPGAs

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