In-System IBERT core instance is included in the example design top-level module optionally when you enable it through the GUI customization in Structural Options tab. This instance is included to simplify example design hardware bring-up, to help in GT tuning and get the eye scans by using the Serial I/O analyzer run time software. For more information on how to use this instance, see In-System IBERT v1.0 LogiCORE Product Guide (PG246) [Ref 13] .
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