AMBA AXI and ACE Protocol Specification AXI3, AXI4, and AXI4-Lite ...
ARM Limited
AMBA 3 APB Protocol Specification
AMBA 3 AHB-Lite Protocol Specification
ARM AMBA 5 AHB Protocol Specification AHB5, AHB-Lite
AMBA 4 AXI4-Stream Protocol Specification
AMBA AXI Protocol Specification