The device selection portion of the XDC informs the implementation tools which part, package, and speed grade to target for the design.
IMPORTANT: Because UltraScale Devices Gen3 Integrated Block for PCIe cores are designed for specific part and package combinations, this section should not be modified.
The device selection section always contains a part selection line, but can also contain part or package-specific options. An example part selection line follows:
CONFIG PART = XCKU040-ffva1156-3-e-es1