AMBA AXI from ARM Holdings is an high performance on-chip bus architecture. Wide datapath versions of of the AXI are not amenable to extensions beyond a single chip/FPGA. Flowgic's AXI Bus Extender(ABE) core makes it possible to extend AXI bus across two chips with very few package pins. ABE core is built using Flowgic's Interlaken Controller(IL) core, which is a flexible, high-bandwidth, packet transport mechanism for chip-to-chip communication.