USART port will be one option.

Rgds,
Thet Naing

--- wouter van ooijen & floortje hanneman
<wf@XS4ALL.NL> wrote:
> > I am a relative newbie, and am designing a series
> of products based on the
> > PIC16F87X and possibly the PIC16F628 that will all
> need to communicate
> with
> > each other (multi Master) over distances of up to
> say 50m.
> >
> > Is I2C a suitable choice? Can I run the PICs as
> slow as 4MHz, or would I
> > need to go higher than this? I plan to send simple
> commands and
> > acknowledgements only.
>
> I would never use i2c over that distance. Why not
> use rs485?
>
> Wouter van Ooijen
> --
> Van Ooijen Technische Informatica:
> http://www.voti.nl
> Jal compiler, Wisp programmer, WLoader bootloader,
> PICs kopen
>
> --
> http://www.piclist.com hint: The list server can
> filter out subtopics
> (like ads or off topics) for you. See
> http://www.piclist.com/#topics
>
>


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