Microchip has example code on their WWW site. You have to go looking
into their app notes pages...

Tim wrote:
>
> Hi,
>         If this is a re-post I am sorry, I didn't receive a copy of it
> through the list or any replies, so I thought that it might have been
> lost.
>
>         I was wondering if anyone has used a 12C509, 12C672, or any other 8-pi
n
> PIC as a serial peripheral interface (SPI) in slave mode. I am currently
> working on a project which is going to use either a 12C509 or if needed
> a 12C672.  I want to communicate with it using the SPI protocol from
> another PIC which will be a 16C73 (or possibly a Motorola part), which
> will be in master mode.
>         If anyone has any code, that they wouldn't mind sharing with me,
> that
> is for a 509, 672 or even a 16F84 without using interrupts, that would
> be great. Or if there is a web site out there with this info on it, that
> would be great also.
>
> Thanks a lot,
> Timothy Deterly

Nino.
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