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TCAN4550-Q1: how to set M_CAN External Loop Back Test Mode?

BubbleTomato
Intellectual 260 points
Part Number: TCAN4550-Q1
Other Parts Discussed in Thread: TCAN4550

Hi.

I want to know how tcan4550 set  M_CAN External Loop Back Test Mode as Figure 8-12.

can you guys teach me  how tcan4550 set  M_CAN External Loop Back Test Mode as Figure 8-12?

thank you.

  • 0
    TI__Guru 53575 points

    Hi BubbleT.

    The loop back test mode is enabled using the LBCK bit [4] in the Test Register ('h1010). To do this, the device will have to be in test mode using the TEST_MODE_EN bit [21] of the Mode Control Register ('h0800). Also be sure that the TEST_MODE_CONFIG bit [-] of the same register is configured for the CAN Controller Test.

    Let me know if you have any more questions.

    Regards,
    Eric Schott