Get:

http://www-us.semiconductors.philips.com/acrobat/3114.pdf

"The I2C-Bus and How to Use It (including specifications).

Also, search on their www page for other references.

http://www-us.semiconductors.philips.com/search/

For code, goto www.microchip.com and look for AN578 and AN554.

Rick Watson
The University of Texas, ACITS Networking Services, 512/475-9220
 r.watson@utexas.edu

Randie Ohtsji [4555] wrote:
>
> Can anyone direct me to where I can get a copy of the I2C protocol
> definition.  Is I2C better than SPI??   What are the differences
> between the two?  Does anyone have any examples of I2C or SPI code
> using a 16F84?
>
> Thanks!
>
> -Randie
> ....so many questions, one little brain.......where am I going to
> find room to stuff in the answers??
>
> /*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/
> */ Randie Ohtsji                                                     /*
> /* Glenayre R&D, Vancouver, BC  CANADA   Phone: (604) 293-1611 x4555 */
> */ Email: rohtsji@glenayre.com           Fax:   (604) 293-4317       /*
> */                ________                                           /*
> /*               / ____/ /__  ____  ____ ___  _________              */
> */              / /___/ / _ \/ __ \/ __ `/ / / / __/ _ \             /*
> /*             / /_\ / /  __/ / / / /_/ / /_/ / / /  __/             */
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> */               /_________________________/                         /*
> /*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/
>
>
> P.S. [OT] I just met with our Microchip rep and he was saying other Flash
> parts are due in 2Q98 - 3Q98.  He's never heard of Scenix.
>
>
>
> > > I'm a little confused about I2C.  Is this an actual IC chip that I
> > > need to connect to the PIC?  Or do I use this instead of the PIC?
> > > Can you recommend any web-sites or manufacturers of this (if it is
> > > a chip) please.
> > >
> >         I2C is a protocol that can be implemented in software, the reason
> > it is popular is because it is two wire, multimaster, can address alot of
> > devices and because there are quite a few devices out there that conform
> > to the standard. TTYL
> >
>