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From: "petrus bitbyter"
Subject: Re: basic ic2 info
X-Newsreader: Microsoft Outlook Express 5.50.4807.1700
Date: Sun, 22 Dec 2002 20:38:13 GMT
NNTP-Posting-Date: Sun, 22 Dec 2002 21:38:13 MET
Organization: chello broadband
You find the full iic specs and a lot of iic compatible chips.
"R. Lewis" schreef in bericht
> "Leon Heller" wrote in message
> > "Matthew Campbell" wrote in message
> > news:firstname.lastname@example.org...
> > > I've recently gotten into embedded design, I've heard about using
> > > phillip's IC2 bus to have more IO space for more devices but I havent
> > > been able to find a good ic or docs to help me do this simply. Is
> > > there a simple way to utilize the bus via a prebuilt ic or perhaps is
> > > there an easier way to do extended io type stuff on a chip with not
> > > many io ports. If it matters I'm doing this on a motorola m68hc08.
> > > Thanks for in advance for the help.
> > SPI is also worth looking at. It's faster than I2C, but can require more
> > output pins.
> Get hold of any of the microchip CD's. In the app notes section they have
> very good description of the I2C protocol (by way of explaining how good a
> pic is for this of course).
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