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You are here: Home / Topics / DS2401 Interfacing with 8051

DS2401 Interfacing with 8051

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Microcontroller › 8051 › DS2401 Interfacing with 8051

  • This topic has 0 replies, 1 voice, and was last updated 9 years ago by Manish Yadav.
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  • August 7, 2013 at 10:21 am #2580
    Manish Yadav
    Participant

    I had attempted to interface DS2401 with P89V51RD2 but on serial number read operation DS2401 responding correctly to reset pulse, but giving 0xFF for all eight bytes of serial number information

    My program sequence is as.

     

    1)  Reset pulse of 490 microsecond.

    2)  After correct response to reset pulse by DS2401 delay of 500 microsecond.

    3)  Transmiting 0x33 with LSB first.

    4)  Read data 64 pulses.

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