The AXI bus is a more sophisticated bus system for complex SOC systems. This lecture summarizes the AXI bus and reviews the basic transactions of an AXI system.
Reading
Reference
Key Concepts
- Understand the purpose of the five channels associated with an AXI bus
- Understand the primary differences between AXI and wishbone
- Understand the basic operation of a read AXI transaction (and the use of each channel for the transaction)
- Understand the basic operation of a write AXI transaction (and the use of each channel for the transaction)
- Understand the purpose of the VALID, READY, and LAST signals
- Understand the differences between AXI and AXI lite
- Overlapping of transactions
- Understand the fundamentals of the AXI stream interface and the signals needed for this interface