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    SubjectRe: [offtopic] Re: I2c was: Cobalt Micro (was Re: Build your own Motherboards)
    Date
    Followup to:  <Pine.GSO.4.02A.9809080051400.199-100000@red.seas.upenn.edu>
    By author: Vladimir Dergachev <vladimid@red.seas.upenn.edu>
    In newsgroup: linux.dev.kernel
    >
    > >
    > > Would it be possible to crack open my TV, find the tuner area, locate the
    > > I2C, hook it to the computer and sniff it, then use the computer to
    > > control the TV? (same for microwave and other such devices)?
    > >
    > Correct me if I am wrong . I think i2c specification allows only one chip
    > to drive the bus. So if you tap into it your tap should be passive. Right ?
    >
    > Vladimir Dergachev

    I believe it allows one chip at a time to drive the bus; it can
    definitely move around (assuming all chips are fully I2C compliant.)
    I don't know how it arbitrates the bus.

    -hpa
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