AXI Protocol Explained: Channels, Handshake, Bursts and Cache Coherency
In short: AXI (Advanced eXtensible Interface) is Arm’s on-chip bus for connecting masters like CPUs and DMA engines to memories and peripherals. It splits every transfer into five independent channels: write address, write data, write response, read address and read data. Each channel moves a beat only when VALID and READY are both high. Bursts…
