[oopic] Re: Providing a clock/time to the PIC

--- In oopic@yahoogroups.com, "bimityedye" <bimityedye@...> wrote:
>
> --- In oopic@yahoogroups.com, "rtstofer" <rstofer@> wrote:
> >
> > --- In oopic@yahoogroups.com, "bimityedye" <bimityedye@> wrote:
> > >
> > > --- In oopic@yahoogroups.com, "rtstofer" <rstofer@> wrote:
> > > >
> > > > --- In oopic@yahoogroups.com, "minghui1984" <minghui1984@>
> wrote:
> > > >
> > > > > Thanks Ian, i will look into that. What if my power is not
> > > continous?
> > > > > anyone else got any other ideas?
> > > > >
> > > >
> > > > Try http://www.sparkfun.com/commerce/product_info.php?
> > products_id=99
> > > >
> > > > If you add this to the local I2C bus, you might as well add that
> > > > floating point co-processor at the same time.
> > > >
> > > > Richard
> > > >
> > > Hi Rich
> > > Just took your advice and ordered one of the coprocessors.
> > After
> > > looking at the datasheet about interfacing with the OOPIC I'm
> still
> > > confused about communicating with it (coprocessor). Can you give
> me
> > a
> > > sample code that would demonstrate how to do this?
> > >
> >
> > The factory provides a BUNCH of OOPic code at
> > http://www.micromegacorp.com/oopic.html
> >
> > The simple example (that does nothing) is umfpu-serial.osc. It
> > provides the entire framework for an application without actually
> > doing anything. You insert your own code - perhaps something
> trivial
> > like add a couple of numbers and send the result to the serial port
> > as a string. There are many other LCD examples that will provide
> > guidance.
> >
> > There is also a reference guide specific to the OOPic
> > http://www.micromegacorp.com/downloads/documentation/uMFPU-V3_1%
> > 20OOPic.pdf The guide also provides tutorials.
> >
> > Alas, I haven't bought the chip... I don't have an application for
> > it at this time.
> >
> > Richard
> >
> Thanks Rich
> That's just what I was lookin' for. I overlooked that zip file the
> first time around. Another great item on that web site is the
> breakout boards for the surface mount chips-to-dual in-line chips.
> Finding a great looking chip and realizing it was only available in
> surface mount was always dissapointing to me. Thanks again!
> Dave W.
>

I was lazy when I posted the original link. There is a DIP version
http://www.sparkfun.com/commerce/product_info.php?products_id=8129

I sometimes use DIP versions for breadboarding but I have pretty much
migrated to surface mount for anything I build. There are pros and
cons to surface mount but now that I can solder the various packages
(not as hard as I first thought), I prefer the higher density and the
possibility of having most of the bottom layer available for a ground
plane.

Richard

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