identifier extension flag (IDE)

Definition for: identifier extension flag (IDE)

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Definition:

identifier extension flag (IDE)

This bit distinguishes whether the frame uses the base frame format (dominant) or the extended frame format (recessive). Thus, the IDE bit indicates if the following bits are interpreted as control bits or the second part of the 29-bit identifier.

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