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Interfacing a 1-wire slave device with msp430

Ankit Agarwal
Intellectual 790 points

Other Parts Discussed in Thread: MSP430F5438A

I am using msp430f5438A. I am using a protection IC connected accross a battery. The protection IC interfaces with the msp430f5438A by " Dallas 1-wire Interface".

Going through the solutions available in the manual, there were two options. One was to simply use a GPIO pin and communicate with the IC at low duration time pulses.

Another way was to use a converter IC ( from I2C to 1-wire ) . Please suggest me, which option should i choose ??

  • 0
    Genius 3155 points

    1-wire is so simple I suggest you to go with bit-banging on GPIO (paying attention to timings).

    See also http://e2e.ti.com/support/microcontrollers/msp43016-bit_ultra-low_power_mcus/f/166/t/18995.aspx and http://www.maxim-ic.com/app-notes/index.mvp/id/126

    Regards,

    Peppe

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