Article ID: 000098721 Content Type: Error Messages Last Reviewed: 11/15/2024

Why do I get timing closure failures when compiling the LPDDR5 EMIF Example Design for the Agilex™ 7 M Series or the Agilex™ 5 FPGAs?

Environment

  • Intel® Quartus® Prime Pro Edition
  • External Memory Interfaces (EMIF) IP
  • BUILT IN - ARTICLE INTRO SECOND COMPONENT
    Description

    In Quartus® Prime Pro Edition Software version 24.1, when compiling the LPDDR5 EMIF Example Design for either the Agilex™ 7 M Series or the Agilex™ 5 FPGAs, you will encounter the following Design Assistant Violations:

     

    CDC-50012 - Multiple Clock Domains Driving a Synchronizer Chain

    TMC-20027 - Collection Filter Matching Multiple Types 

     

    These violations result in timing closure failures seen in the Timing Analyzer.

     

     

    Resolution

    The timing closure failures which result from these Design Assistant Violations can be ignored and will be updated in a later release of Quartus®.