One device is a HC68... and the other a AT90S2313. And you are right,
speeds are very different.

I'll have a look at the link, thank you very much !

regards,
    Reelf


> You do not say what the devices are, but it sounds like it could be similar
> to the protocol the TI calculators use.
>
> go to http://www.ticalc.org/pub/text/calcinfo/ and get the file
> "link86all.zip" for info on the physical and software protocols.
>
> The hardware protocol used is real nice for communicating between two
> devices of very different speeds without using interrupts.
>
> --
> http://www.piclist.com hint: The PICList is archived three different
> ways.  See http://www.piclist.com/#archives for details.

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.