Linked FPGA-PCB Project Changes - Pin Swapping in the PCB Document

Frozen Content

The net (or port)-to-physical pin assignments for an FPGA device are defined in a constraint file. You can manually define the assignments, or let the place and route tools assign them and then import the assignments back into the constraint file. However, once the FPGA is placed on the PCB, pin assignments often need to be changed in order to optimize the PCB routing and then these changes back-annotated to the FPGA project, to keep the two projects synchronized.

Use the following linked pages to learn how pin swap changes are made on the PCB document and how those changes are passed back to the linked FPGA project.

Configuring Pin Swapping for an FPGA Component
Enabling Pin Swapping on the PCB
Performing Pin Swapping on the PCB
Passing PCB Pin Swap Data to the Linked FPGA Project

See Also

Pin, Pair and Part Swapping

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