LeCroy scopes furnish PCI Express decode annotation
Decode annotation provides a link-layer protocol decode for up to four PCI Express signals
-- Test & Measurement World, 11/20/2009 7:00:00 AM
LeCroy has introduced PCI Express decode annotation for its oscilloscopes, helping hardware and system engineers to simultaneously understand the physical layer and protocol behavior of high-speed PCI Express serial data signals. The new capability provides a link-layer protocol decode for up to four PCI Express signals annotated on the oscilloscope physical-layer waveform.
According to LeCroy, it is the first and only oscilloscope-based decode solution for the widely adopted PCI Express Gen 2.0 and the emerging PCI Express Gen 3.0 standards. It can be combined with LeCroy's 8b/10B decode annotation tool (a separate option) to allow simultaneous symbol/primitive and protocol-level viewing. What's more, all of the standard math, measure, cursor, zoom, and other analysis tools available in the oscilloscope can be used concurrently.
By providing the decoded information as an annotation on the physical-layer waveform within the oscilloscope, the protocol and physical-layer information is synchronized, and it is easier to scroll and review the captured data. Thus, interpretation is easier, faster, and more reliable in the early PHY validation stage. The decode algorithm recognizes the different PCI Express Gen 2.0 and Gen 3.0 bit rates and decodes appropriately, and it supports modes with and without scrambling enabled.
The option is available on a wide range of oscilloscope models with real-time bandwidths from 2.5 GHz to 30 GHZ. It is compatible with the WavePro 7 Zi, WaveMaster 8 Zi, WavePro 7000, and WaveMaster 8000 series of oscilloscopes and serial data/disk drive analyzers based on these platforms.
LeCroy, www.lecroy.com.
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