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New Software for PCIe Protocol Analyzers

TLC Summit T41609 May 2017 - Teledyne LeCroy announced LinkExpert, a new alternative software interface for its PCI Express (PCIe) protocol analyzer line of products. LinkExpert provides complete control and management of Teledyne LeCroy’s family of protocol analyzer and exerciser hardware while displaying high-level diagnostic information about communication between the root complex (i.e. host systems) and end-points (i.e. devices).

The new LinkExpert software interface targets design and validation engineers who are responsible for testing and resolving connectivity, interoperability and performance issues as well as ensuring conformance to the design specification. The new interface takes a smart approach to testing PCIe links and then displaying the results, including any identified errors, connectivity issues and/or overall performance metrics by using intelligent interpretations of bus traffic, eliminating the need for a deep technical knowledge of the various PCIe specifications.

The LinkExpert software interface can operate at all link widths and at all PCIe speeds providing information about link establishment, link maintenance, link performance, signal integrity, and power management of the link under test. Each of these tests, when selected, will report all of the information necessary to understand the condition of your link and will highlight any identified issues. When issues are identified, this information can be used to determine the root cause of the identified issue. Also, whenever possible, LinkExpert will suggest potential solutions to issues identified during the testing process.

Results are shown in a modern graphical interface, which is updated through a series of protocol analyzer scans on the device under test (DUT). In addition, LinkExpert can produce a full detailed report to document all test results as well as known aspects of the PCIe link under test.

The new LinkExpert can be used apart from Teledyne LeCroy’s industry acclaimed PCIe Protocol Analysis software to get a quick diagnosis or in conjunction with it for more in-depth protocol analysis. The software supports scanning on Teledyne LeCroy PCIe protocol analyzer systems using Microsoft Windows 7, 8 or Windows 10.

"The new LinkExpert makes it easy for add-in-board and system developers to quickly understand the connectivity status of their equipment and clarify whether the host or device is causing the problem," said John Wiedemeier, Senior Product Marketing Manager of Teledyne LeCroy's Protocol Solutions Group. "The new LinkExpert will benefit engineers who don’t have the time to read protocol specifications and need quick answers to getting a system put together and working correctly."

Teledyne LeCroy's protocol analyzers have been at the forefront of PCI Express development and currently support all generations of PCI Express, from Gen 1 through the latest Gen 4 speeds and specifications. In addition to utilizing LinkExpert, All Teledyne LeCroy PCIe protocol analyzers can be configured to include a broad range of capabilities including a hierarchical display, real-time statistics, protocol traffic summaries, detailed error reports, powerful scripting, and the ability to create user-defined test reports, which allow developers to troubleshoot intricate problems and finish their projects on time.

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