AXI-Lite & AXI-Stream: Interview · protocols

Interface ProtocolsAll levels

Interview drills

When is AXI-Lite preferred over full AXI?

Check yourself When is AXI-Lite preferred over full AXI?

When single-transfer, ID-less memory-mapped semantics meet the required throughput, latency, outstanding and ordering contract, and the reduced interface is worth the implementation trade-off. Register/configuration paths are common examples, but the decision comes from traffic and system constraints rather than a rule about block names.

Common trap: Assuming Lite permits only one outstanding transaction or that no data mover may use it.

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