On-chip Busses Summary.

The ARM AXI bus is widely used and can be used with non-ARM products »ARM AXI. One ARM AXI protocol includes tags on each operation for out-of-order request/response association: hence it is suitable for pipelined, on-chip networks where message sequencing may vary.

Other busses: The Wishbone bus and IBM CoreConnect bus: used by various public domain IP bocks and various designs (e.g. RTL OpenRISC). The OpenRISC in the practical materials on the course web site uses Wishbone. »Wikipedia Wishbone »Core Connect