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Highlights

Compute Express Link (CXL) is an industry supported, high-speed interconnect standard that enables coherent memory access between a host and end-point device. CXL leverages the dependability and performance of the PCI Express® physical layer and uses a flexible processor port to auto-negotiation whether the link will communicate using the standard PCIe protocol or the supported alternate CXL transaction protocol. CXL defines three sub-protocols CXL.io, CXL.mem, and CXL.cache that are used for initialization and link-up, and to facilitate the coherent sharing of memory between computing devices.

P5562CXLA CXL 1.1 / 2.0 Protocol Analyzer Software enables comprehensive analysis and visualization capabilities for CXL.io, CXL.mem, and CXL.cache. The protocol analyzer sits between the root port and endpoint to capture and decode the transactions on the CXL link. The P5562CXLA software is used with the P5571A/72A series protocol analyzer hardware which integrates the interposer and analyzer into a unique CEM card form factor that simplifies connection to the device and offers unparalleled signal integrity.

  •  Supports CXL 1.1 and 2.0 specifications for data rates up to 32 GT/s
  • Capture bidirectional link widths of x1, x2, x4, x8
  • Supports CXL.io, CXL.mem, and CXL.cache sub-protocols and all three CXL device types
  • Utilize up to 16GB of trace memory
  • Powerful trigger and filter engine
  • LTSSM overview with equalization analysis
  • Full decode of FLIT packets and CXL Link and Transaction layers
  • Support for normal and degraded modes
  • Combined Analyzer and Exerciser Software GUI
P5562CXLA

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Featured Resources

Application Notes 2022.12.12

Compute Express Link (CXL): A New Coherency Protocol Over PCIe

Compute Express Link (CXL): A New Coherency Protocol Over PCIe

CXL Educational Application Note

2022.12.12

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Data Sheets 2023.07.04

P5570A PCI Express Protocol Analyzer for PCIe 6.0

P5570A PCI Express Protocol Analyzer for PCIe 6.0

P5570A PCIe Protocol Analyzer enables deep protocol analysis of PCIe systems in a form factor that is easy to deploy on the lab bench and offers unparalleled signal integrity.

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