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Using Interface Settings to Update the Software Baud Rate

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    Last Modified: March 15, 2018

    You can change the CAN baud rate from within software using the Interface Settings dialog, if necessary.

    Complete the following steps to adjust the baud rates using the Interface Settings dialog.
    1. Use the Baud rate pull-down menu to select an applicable baud rate to all clusters, if necessary.
    2. (FD baud rate) Select the applicable I/O Mode to enable the FD baud rate pull-down menu, if necessary. The following table explains the available I/O Modes.
      Option Description
      CAN This is the default CAN 2.0 standard I/O mode as defined in ISO 11898-1:2003. A fixed baud rate is used for transfer, and the payload length is limited to 8 bytes.
      CAN FD (FD baud rate enabled) CAN FD—This is the CAN FD mode as specified in the CAN with Flexible Data-Rate specification, version 1.0. Payload lengths up to 64 are allowed, but they are transmitted at a single fixed baud rate.
      CAN FD + BRS (FD baud rate enabled) CAN FD+BRS—This is the CAN FD as specified in the CAN with Flexible Data-Rate specification, version 1.0, with the optional Baud Rate Switching enabled. The same payload lengths as CAN FD mode are allowed; additionally, the data portion of the CAN frame is transferred at a different (higher) baud rate.
    3. Select the FD baud rate from the pull-down menu to select an applicable fast data baud rate for all clusters.

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