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CAN2-Slide21

When a device with CAN 2.0B capability in initialized, firmware determines the length of the identifier: Standard or Extended. If Extended is chosen, the ID-Extension bit is set and each mailbox in the CAN 2.0B devices on the network is configured for a long ID. In general, Extended ID is used less often than Standard ID because it precludes full compatibility with CAN 2.0A devices.

PTM Published on: 2011-11-02