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Original question:

RS485/422 compabiliy with SN65HVD379 or different part

SN65HVD379: SN65HVD379 interfacing diagram

nirbhay kumar singh
Prodigy 90 points
Part Number: SN65HVD379


Good morning,

i am using SN65HVD379 in one of my design. I am receiving the correct data from this chip but not getting correct transmitted data and when im checking dc offset of both the tx and rx , dc offset is not identical.

Can anyone share reference circuit for this chip?

Are this is correct interfacing for this chip or not?

  • 0
    TI__Guru 62920 points
    Hello,

    I don't see anything wrong with your connections, although in most cases full-duplex applications would omit the termination circuit on the output driver (since data flows in only one direction, it can be terminated just at the farthest end).

    Can you please give us a little more description of the issues you are seeing? If you can show the waveforms captured on an oscilloscope we can help determine if they are normal or not.

    Regards,
    Max