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From: "petrus bitbyter"
Subject: Re: UART to I2C convesion
X-Newsreader: Microsoft Outlook Express 5.50.4807.1700
Date: Sat, 07 Dec 2002 11:18:07 GMT
NNTP-Posting-Date: Sat, 07 Dec 2002 12:18:07 MET
Organization: chello broadband
"mook johnson" schreef in bericht
> I need to talk to a chip with an I2C interface. The host only has a
> ttl level uart available.
> What would be the simplest way to convert the signals in both directions?
The easiest way I know is a PIC16F7x. They all have a UART and an I2C
interface on board. I2C slave is fully supported in hardware, a master needs
more programming but there is at least one app. note with the required
Philips (and others) have a lot of 80C51 derivatives. A lot of that lot has
I2C support. (Not a big surprise as Philips developed I2C.) They have the
I2C specificatoin available as well as app. notes with source code.
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