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SN65HVD230: TX/RX signal issue

Tommy Tzeng
Genius 5290 points
Part Number: SN65HVD230

Hi Sir,

as attched below, We measured a signal that suddenly became larger or smaller at EOF. 

This part is on the CANbus Transceiver. Is there anything that can be adjusted?

SN65HVD230.xlsx

  • 0
    TI__Guru 71932 points

    Tommy,

    This is the ACK signal that is sent by all transceivers on the bus when a CAN frame is correctly received. Because multiple devices are driving a dominant signal, more current is driven and thus the amplitude of the differential is increased for this one bit. This is normal behavior.

    Please let us know if you have any other questions.

    Regards,

    Eric Hackett