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TIDA-020029: Can we use the LIN transceiver to connect the TPS929120?

Tommy
Intellectual 515 points
Part Number: TIDA-020029


Tool/software:

Hi E2E,

As the TIDA-020029 shows:'This reference design incorporates two linear LED drivers. By using a controller area network (CAN) physical layer (or a local interconnect network (LIN) optionally)'

And the SCH of TIDA-020029 shows that U500(LIN1029) is connect with U600 and U601(TPS929120).

Can we use the LIN transceiver to connect the TPS929120?

BR

  • 0
    TI__Intellectual 2830 points

    Hi Tommy,

    Yes, you can use UART over LIN to communicate to the TPS929120 as shown in the reference design.

    Thank You,

    Kate Hawkins

  • 0 in reply to Kate Hawkins
    Intellectual 515 points

    Hi Kate,

    Thanks for your reply.

    Is that means we use the LIN1029 to communicate to the TPS929120 by the FLEXWIRE protocol of UART?

    In my opinion, the logic level of FLEXWIRE is not consistent with that of LIN. I don't know exactly how it works here.

    BR

  • 0 in reply to Tommy
    TI__Intellectual 2830 points

    Hi Tommy,

    FlexWire functions with LIN and CAN in the same way, with the exception that LIN is not full duplex. There is not really a difference between LIN and CAN as far as RXD and TXD are concerned, and the MCU would not know whether it is a LIN or CAN transceiver anyway. Like CAN, LIN does not care what language you are speaking. From a UART perspective, it is basically just an extender.

    Thank You,

    Kate Hawkins