LogiCORE IP OBSAI v5.1 Data Sheet (AXI)(DS612) - 5.1 English - The LogiCORE IP OBSAI core implements an OBSAI RP3 interface supporting RP3-01 at 768 Mb/s, 1.5 Gb/s, and 3 Gb/s line rates using GTP or GTX transceivers in Virtex-5, Spartan-6 and Virtex-6 FPGAs. 6 Gb/s line rate is supported in Virtex-6 devices. The OBSAI core can be configured as a master or slave for use in base station or Remote RF Units (RRUs). This document contains information about the AXI4 version of the core.