PLBv46 Slave Single (v1.01a) Data Sheet(DS561) - 1.3 English - The PLBv46 Slave Single device is part of the Xilinx family of PLB v4.6 compatible products which provides a singles only bi-directional interface between a User IP core and the PLB v4.6 bus standard. This version of the core has been optimized for slave operation on the version 4.6 PLB Bus.