Compute Express Link Controller IP Designed to the CXL Link Specification with AMBA Interfaces Optimized for SoC Implementations

XpressLINK-SOC™ is a parameterizable Compute Express Link (CXL) controller Soft IP designed for ASIC and FPGA implementation. The XpressLINK-SOC Controller IP leverages PLDA's silicon proven XpressRICH-AXI Controller for PCIe 5.0 architecture for the CXL.io path, and adds the CXL.cache and CXL.mem paths specific to CXL. XpressLINK-SOC supports the AMBA® AXI™ Protocol Specification for CXL.io traffic, and either Intel CXL-cache/mem Protocol Interface (CPI) or a AMBA® AXI™ Protocol Specification for CXL.mem and CPI interface for CXL.cache traffic, or the AMBA® CXS Protocol Specification. XpressLINK-SOC also complies with the Intel PHY Interface for PCI Express (PIPE) specification version 5.x and supports the PIPE LPC and SERDES modes. The provided Graphical User Interface (GUI) Wizard allows designers to tailor the IP to their exact requirements, by enabling, disabling, and adjusting a vast array of parameters, including CXL device type, PIPE interface configuration, buffer sizes and latency, low power support, SR-IOV parameters, etc. for optimal throughput, latency, size and power. XpressLINK-SOC is extensively verified using commercial as well as homegrown VIP and testsuites, and has been integrated with a number of PCIe 5.0 PHY IP.

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