Article ID: 000087168 Content Type: Troubleshooting Last Reviewed: 10/21/2011

The ALT2GXB MegaWizard Plug-In Manager displays incorrect word alignment pattern and pattern length in the Protocol Settings for Stratix II GX

Environment

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

    Critical Issue

    Description

    If your ALT2GXB instance has a word alignment pattern length of 20 bits, on the Basic 2 page of the ALT2GXB MegaWizard Plug-In Manager, the number displayed in the What is the word alignment pattern length box of the Protocol Settings tab is 10 and the pattern displayed in the What is the word alignment pattern box is truncated to 10 bits.

    Resolution

    Before making any other changes to your ALT2GXB instance, in the ALT2GXB MegaWizard Plug-In Manager, set What is the word alignment pattern length to 20 and copy the word alignment pattern from your HDL file to the What is the word alignment pattern box.

    Related Products

    This article applies to 1 products

    Stratix® II FPGAs