Hi,
  Good questions. The master will be the 68HC16, it will ask the 4 PICs on
the network to start gathering data. When the PICs are done, they will pass
back their information to the 68HC16 - this can either be polled by the
HC16, or the PICs could become masters; whichever is easier. The faster the
frequency the better for the communications.

I could use the parallel to i2c controller. However, I would need to add a
parallel to serial converter (few lines available on hc16). Has anyone ever
tried the controller? I heard they are actually more of a pain to use than
bit-banging one. Is that true?


Thanks for the reply!

>From:  Sergi Sanchez <ssanchez@BTSA.ES> Subject:  Re: [PIC]: I2C bus for
>motorola HC16 to PIC Date:  Thu, 28 Jun 2001 09:51:24 +0200 MIME-Version:
>1.0

>who are the masters?
>who are the slaves?
>is the net a party-line?
>what frequency? 100 KHz or 400 KHz? or less?
>why not using a cheap PIC as i2c device for the HC16?
>why not using a parallel to i2c controler (philips has one, as I know)?
>
>Sergi Sanchez
>Barcelona Tecnologia S.A.




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