Donovan

 If it were me doing this, I would bus the PSP of all three chips together.
 That would make it simple and fast.  Of course you don't mention how many
 pins you have available for communication, but I would go for the PSP
 solution if I had the pins available.   If I didn't, I'd probably go with
 I2C.  That would only use two pins.  Anyway, that's what I would do.
 Hope it helps.

                                              Regards,

                                                Jim


> Hello,
>
> I am using 3 PIC16F877 in a project and the need limited communication
> between them.  Specifically, there is a "master" PIC that needs to
> communicate with two "slave" PICs.  These "slave" PICs never need to
> talk to each other or to the "master" PIC.  What would be the
> recommended protocol for implementing this small network (I2C, SPI,
> multi-drop serial(?), PSP)?  I need to send approximately four bytes of
> data to each "slave" PIC at 10Hz.
>
> Thanks,
> Donovan Parks
>
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