Messages in this thread | | | From | (H. Peter Anvin) | Subject | Re: [offtopic] Re: I2c was: Cobalt Micro (was Re: Build your own Motherboards) | Date | 8 Sep 1998 08:20:52 GMT |
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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.
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