What is the fastest CAN bus speed?

Maximum Bus Speed The maximum speed of a CAN bus, according to the standard, is 1 Mbit/second. Some CAN controllers will nevertheless handle higher speeds than 1Mbit/s and may be considered for special applications. Low-speed CAN (ISO 11898-3, see above) can go up to 125 kbit/s.



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The CAN standard defines four different message types. The messages uses a clever scheme of bit-wise arbitration to control access to the bus, and each message is tagged with a priority.

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