Thanks Bob, actually I didn't think of using the
hardware SPI. :o)
-Roman


Bob Ammerman wrote:
>
> Roman,
>
> The SPI FRAM can be accessed using just a couple instructions per byte using
> the hardware SPI. One trick you can use is not to bother checking for the
> 'completed' flag. You will "know" it has been set after the appropriate
> number of instructions.
>
> By setting the SPI clock to Tinst, you can 'pipelne' access to the FRAM at 9
> (maybe 8) instructions per byte. While one byte is transfering you are
> getting the next byte ready to send (on writes) or processing the previously
> read byte (on reads).

> ----- Original Message -----

> > > At 10:44 PM 7/5/02 +1000, you wrote:
> > > >I'm working on an idea for a robot navigation
> > > >system using a PIC, but I need approx 2000 bytes
> > > >or RAM. The ram only needs to be written/read
> > > >sequentially,

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