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Ixiasoft
Visible to Intel only — GUID: mwh1409959772589
Ixiasoft
2.5.4.6. Recreate PLLs for Lower-Level Partitions if Required
If the project lead creates a copy of the top-level project framework that includes all the settings and constraints needed for the design, this framework should include PLLs and other interface logic if this information is important to optimize partitions.
If you use a separate Quartus® Prime project for an independent design block (such as when a designer or third-party IP provider does not have access to the entire design framework), include a copy of the top-level PLL in the lower-level partition as shown in figure.
In either case, the IP partition in the separate Quartus® Prime project should contain just the partition logic that will be exported to the top-level design, while the full project includes more information about the top-level design. When the partition is complete, you can export just the partition without exporting the auxiliary PLL components to the top-level design. When you export a partition, the Quartus® Prime software exports any hierarchy under the specified partition into the Quartus® Prime Exported Partition File (.qxp), but does not include logic defined outside the partition (the PLL in this example).