What are the Features of the USB Protocol Analyzers that Monitor and Analyze High-Speed USB 2.0?

Question from the Customer:

I am looking for a Protocol Analyzer to monitor and analyze high-speed USB 2.0 devices. Can you describe the features and the differences between the Beagle USB 480 Power Protocol Analyzer - Ultimate Edition and the Beagle USB 5000 v2 Protocol Analyzer - USB 2.0 Edition? Please include how the Beagle USB protocol analyzers and target devices are powered.

Response from Technical Support:

Thanks for your questions! Here are details about both Beagle USB protocol analyzers, and the features that are specific per model:

Both Beagle USB protocol analyzers are non-intrusive USB 2.0 monitors that operate on USB 2.0, work with the Total Phase Data Center Software and provide the following features:

  • Real-time display, search, and filtering of USB data
  • Real-time USB class-level decoding
  • High-speed USB chirp detection and robust automatic speed detection, as well as detect suspend/resume events and unexpected signals.
  • A hardware buffer with a large circular buffer
  • Hardware-based packet suppression
  • Digital inputs and outputs to synchronize with external logic
Beagle 480 Power Protocol Analyzer for Power Measurements and Extended Periods of Data Capture Figure 1: Beagle USB 480 Power Protocol Analyzer-Ultimate Edition

The Beagle USB 480 Power Protocol Analyzer - Ultimate Edition features include:

  • High-speed, Full-speed, and Low-Speed USB 2.0: 480 Mbps, 12 Mbps and 1.5 Mbps
  • VBUS current and voltage measurement
  • Enhanced USB 2.0 advanced triggering

Regarding how this analyzer is powered:

  • Analysis computer supplies the power to the Beagle analyzer over USB
  • Power is passed through the analyzer from the target host port to the target device port

For more information about powering this protocol analyzer and the target device, please refer to section 2.2 of the Beagle Protocol Analyzer User Manual.

Beagle USB Protocol Analyzers support LPM transactions at various speeds Figure 2: Beagle USB 5000 v2 Protocol Analyzer-USB 2.0 Edition

The Beagle USB 5000 v2 Protocol Analyzer - USB 2.0 Edition is meant to be a platform that can be upgraded to USB 3.0 and provides the following:

  • USB 2.0 at the following speeds: 480 Mbps, 12 Mbps and 1.5 Mbps
  • USB 2.0 advanced triggering
  • Field upgradeable to monitor USB 3.0 data

Regarding how this protocol analyzer is powered:

  • An external power supply powers the analyzer, not the analysis computer.
  • Power is passed through the analyzer from the target host port to the target device port

For more information about powering this protocol analyzer and the target device, please refer to section 2.1 of the Beagle Protocol Analyzer User Manual.

Here is a comparison chart for your quick reference:

Figure 3: Comparison Chart Figure 3: Comparison Chart

If needed, you can use the Beagle Software API to create customized programs for your specifications, the following documents may be helpful resources:

We hope this answers your questions. If you have other questions about our host adapters or other Total Phase products, feel free to email us at sales@totalphase.com, or if you already own one of our devices and have a technical question, please submit a request for technical support.

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