Oscilloscope-hosted analysis of high-speed CAN FD interface protocol

Oscilloscope-hosted analysis of high-speed CAN FD interface protocol

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With its RTE and RTO oscilloscopes, Rohde & Schwarz says it is one of the first suppliers to offer analysis solutions for the CAN flexible data (CAN FD) interface protocol. An option enables design engineers to analyse CAN interfaces that support the high-speed CAN FD bus protocol.
By eeNews Europe


Introduced in 2012, the CAN FD serial bus protocol with a maximum data rate of up to 15 Mbps boosts controller area network (CAN) performance. The R&S RTx-K9 option now enables R&S RTE and R&S RTO oscilloscope users to analyse interfaces of this type and trigger to protocol details. Hardware-based decoding makes finding errors with the oscilloscopes especially fast, which accelerates the design verification and commissioning processes for chipsets with CAN FD interfaces.

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 bus protocol. Decoded telegrams are displayed as colour-coded bus signals in a waveform diagram, or as a table. The new software option also supports industry standard CAN-dbc files for describing bus configurations. The RTE and R&S RTO allow users to simultaneously decode up to four serial buses from analogue or logic signals.

Options for Rohde & Schwarz oscilloscopes that are tailored to the automotive industry include CAN/LIN and FlexRay triggering and decoding options for debugging during component development and integration. There is also an option available for verifying BroadR-Reach compliance – a technology now being increasing used for networking various in-vehicle systems.

Rohde & Schwarz; www.rohde-schwarz.com

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