The Rambus Compute Express Link (CXL) 3.1 Controller with AXI leverages a silicon-proven PCIe controller architecture for the CXL.io path, and adds CXL.cache and CXL.mem paths specific to the CXL standard. This controller offers support of the AMBA AXI protocol specification for CXL.io traffic, and either the Intel CPI or AMBA AXI protocol specification for CXL.mem, and Intel CPI for CXL.cache.

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CXL 3.1 Controller with AXI Product Brief