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Oscilloscope

Analyzing the CAN FD protocol

With its RTE and RTO oscilloscopes, Rohde & Schwarz (Germany) is one of the first suppliers to offer analysis solutions for the CAN FD protocol. The oscilloscopes allow users to simultaneously decode up to four serial buses.

The RTx-K9 option enables RTE and RTO oscilloscope users to analyze CAN FD interfaces and trigger to protocol details. (Photo: R&S)

A NEW OPTION ENABLES DESIGN ENGINEERS to analyze CAN interfaces that support the high speed CAN FD protocol. The RTx-K9 option now enables RTE and RTO oscilloscope users to analyze interfaces of this type and trigger to protocol details. Hardware based decoding makes finding errors with the oscilloscopes faster, which accelerates the design verification and commissioning processes for chipsets with CAN FD interfaces. The supported data rate ranges from 10 kbit/s to 15 Mbit/s, the arbitration rate from 10 kbit/s to 1 Mbit/s. ISO CAN FD and non-ISO CAN FD can both be decoded.

Users can trigger directly to telegram start, telegram stop, and data values and use the high performance search and navigation function to find relevant events in the CAN FD protocol. Decoded telegrams are displayed as color-coded bus signals in a waveform diagram or as a table. The software option also supports CAN dbc files for describing bus configurations. The RTE and RTO oscilloscopes allow users to simultaneously decode up to four serial buses from analog or logic signals, just like Teledyne LeCroy’s solution.

The company offers a number of additional product solutions for its oscilloscopes that are tailored to the automotive industry. They include the CAN/LIN and Flexray triggering and decoding options for debugging during component development and integration.



Publish date
2014-12-11
Company

Rohde & Schwarz

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