Data Sheets
Easily debug and test designs that include USB protocols using your Infiniium 9000 and S-Series oscilloscope.
Serial bus interfaces such as USB (universal serial bus) interfaces are widely used today in electronic designs. In many designs, USB buses can provide a content-rich point for debug and test. However, since USB protocols transfer bits serially, using a traditional oscilloscope has limitations. Manually converting captured 1’s and 0’s to protocol requires significant effort, can’t be done in real-time, and includes potential for human error. In addition, traditional scope triggers are not sufficient for specifying protocol-level conditions.
Extend your scope capability with the Keysight Technologies, Inc. USB triggering and decode application. This application makes it easy to debug and test designs that include low, full, or high-speed USB protocols using your Infiniium Series oscilloscope.
Set up your scope to show USB protocol decode in less than 30 seconds.
Get access to a rich set of integrated protocol-level triggers.
Save time and eliminate errors by viewing packets at the protocol level.
Use time-correlated views to quickly troubleshoot serial protocol problems back to their timing or signal integrity root cause.
USB protocol triggering and searching
get access to a rich set of integrated protocol level triggers. The application includes a suite of configurable protocol-level trigger conditions specific to USB. When serial triggering is selected, the application enables special real-time triggering hardware inside the scope.
Hardware-based triggering ensures that the scope never misses a trigger event when armed. This hardware takes signals acquired using either scope or digital channels and reconstructs protocol frames. It then inspects these protocol frames against specified protocol-level trigger conditions and triggers when the condition is met.
USB low- and full-speed protocol decode
Keysight’s multi-tab protocol viewer includes correlation between the waveforms and the selected packet. The selected packet, highlighted blue row in the listing, is time-correlated with the blue line in the waveform display. Move the blue tracking marker in time through waveforms and the blue bar will automatically track in the packets window. Or, scroll through the packet viewer and highlight a specific packet. The time-correlation tracking marker will move to the associated point in the waveform.
USB high-speed protocol decode
Quickly move between physical and USB high-speed protocol layer information using the time-correlated tracing marker. Display protocol content using embedded decode in the waveform area. Or, see protocol events in a compact listing format using the industry’s first scope based multi-tab protocol viewer. For minor tick marks indicate clock transitions. Major tick markets indicate sections of the USB serial packet.
High-Speed Inter-Chip (HSIC) protocol decode
The HSIC decode allows user to decode data by itself or relative to the strobe signal. Data only decode uses the same clock recover method as standard High-Speed USB packets. In both cases all the features and capabilities of the USB protocol decode software, like packet search and viewing tabs, are available.
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