FD format indicator (FDF)

Definition for: FD format indicator (FDF)

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FD format indicator (FDF)

This bit distinguishes between Classical CAN frames (dominant) and CAN FD frames (recessive). In frames with 11-bit identifiers, FDF comes after the IDE bit. In frames with 29-bit identifiers, it comes as the first bit of the control field.

Source CANdictionary (2016) - CiA CAN in Automation - www.can-cia.org