Article ID: 000079158 Content Type: Troubleshooting Last Reviewed: 09/11/2012

Why does the word aligner not work correctly with the synchronization state machine when I check “Enable word aligner output reverse bit ordering” option in Stratix II GX ALT2GXB MegaWizard?

Environment

  • Stratix® II GX FPGA
BUILT IN - ARTICLE INTRO SECOND COMPONENT
Description

When you check “Enable word aligner output reverse bit ordering” option in Stratix® II GX ALT2GXB MegaWizard, the word aligner does not work correctly with synchronization state machine, because the synchronization state machine does not work in this case. This is hardware limitation. Use manual alignment mode instead of synchronization state machine.

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