LogiCORE IP XPS Universal Serial Bus 2.0 Device (v5.00a) Data Sheet - 3.0 English - The Xilinx Universal Serial Bus 2.0 High Speed Device with Processor Local Bus (PLBv4.6) enables USB connectivity to the user’s design with a minimal amount of resources. This interface is suitable for USB-centric, high-performance designs, bridges, and legacy port replacement operations.