Software Options

DisplayPort AUX DME

DPAUX (DME) turns your oscilloscope into a DisplayPort AUX analyzer with fast and intuitive correlation of protocol data to the physical layer waveforms. Perform AUX eye and mask testing. Use standalone or with USB-PD (Power Delivery) TDME for DisplayPort ‘Alt Mode’ timing measurements.

Explore DisplayPort AUX DME Explore DisplayPort AUX DME
Key Features
  • DisplayPort 2.0 , 1.4, and eDP (Embedded DisplayPort) standards
  • Decodes DP-AUX reads and writes
  • Native and I2C AUX channel transactions
  • Use standalone or with USB-PD TDME for DisplayPort over USB-C® ‘Alt Mode’ testing
  • Intuitive, color-coded decode overlays
  • Interactive protocol table with zoom and pattern search
  • Automated timing measurements
  • Eye diagrams and mask testing


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.

Pattern Search (“D”)

All decoders provide the ability to search through a long record of decoded data by using a variety of search criteria, or values, or simply finding the next occurrence. Pattern Search automatically creates a zoom trace of the acquired waveform and displays the selected location complete with the transparent color-coded overlay.

Automated Timing Measurements (“M”)

DisplayPort DP-AUX DME can be used as standalone for Standard DP connector or eDP designs; or along with USB-PD TDME to analyze timing between the DP-AUX (SBU lines) and USB-PD (CC lines) in a DisplayPort over USB-C design. Msg-Msg timing measurements can be used to debug system interoperability issues caused by improper timing between USB-PD Alt Mode transactions and DisplayPort AUX link training.

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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