Software Options


The USB2 Trigger, Decode, Measure/Graph and Physical Layer (TDME) solution provides high performance triggers (T) and transparent color-coded decode overlays, protocol tables, and search capabilities (D). The TDME option also provides Measure/Graph (M) capability with automated measurement and graphing tools and Eye Diagram (E) capability for physical layer signal assessment and debug.

Explore USB2bus TDME arrow down
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Key Features
  • Supports USB 2.0 Low, Full, or High speeds (1.x and 2.0)
  • Trigger on USB packet types:
    • Token
    • Data
    • Handshake
    • User-defined
  • Transaction triggering support
  • Comprehensive Protocol Error and Bus Event triggering
  • Comprehensive Search by Events, Packets, Transactions or Errors
  • Intuitive, color-coded decode overlays
  • Interactive protocol table with zoom and pattern search
  • Automated timing measurements
  • Serial digital data extraction to an analog value (serial DAC) with waveform graphs
  • Eye Diagrams with failure location


The Most Comprehensive USB Trigger ("T")

Full support is provided for triggering on any type of Packet, even User-Defined Packets, with complete flexibility for address, endpoint, split type, hub, port, etc. Trigger on specific Data payloads in specific locations. OR any three Packets in a single trigger condition. Create a USB Transaction trigger with any allowed combination of Token, Data, Handshake, and User-Defined packets. Advanced capability like this is usually only found in a dedicated protocol analyzer!

Search and Zoom ("D")

The powerful search engine of the USB 1.x/2.0 decode package can quickly find an Event, Packet, Transaction, or Protocol Error. Search through a long record of decoded data by entering any of the 45 available search criteria by entering a value or simply finding the next occurrence. For example, search through a long record to find a glitch that is frequently occurring after each EOP.

Intuitive, Color-coded Decode Overlays ("D")

A transparent overlay with color-coding for specific portions of each protocol and the entire message frame makes it easy to understand your serial data information. Unlike other solutions, with protocol decode information away from the signal, our solution correlates the waveform and the protocol decode directly on the display. As the acquisition length is expanded or shortened, the decode overlay will adjust to show you just the right amount of information.

Interactive Table Summarizes Results ("D")

Turn the oscilloscope into a protocol analyzer with a tabular display of decoded information. Customize the table to show only the data of interest and touch a message in the table to automatically zoom to it and display it on the screen. Export the table for offline analysis. Up to four different decoded signals of any type may be simultaneously displayed in the table.

Measure/Graph Tools for Validation Efficiency ("M")

Quickly validate cause and effect with automated timing measurements to or from an analog signal or another serial message. Make multiple measurements in a single long acquisition to quickly acquire statistics during corner-case testing. Serial (digital) data can be extracted to an analog value and graphed to monitor system performance over time, as if it was probed directly. Complete validation faster and gain better insight.

Eye Diagrams ("E")

Rapidly display an eye diagram of your packetized low-speed serial data signal without additional setup time. Use eye parameters to quantify system performance and apply a standard or custom mask to identify anomalies. Mask failures can be indicated and can force the scope into Stop mode.

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