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[ts-7000] Re: I2C frequency

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Subject: [ts-7000] Re: I2C frequency
From: "Charles" <>
Date: Sat, 21 Aug 2010 02:11:43 -0000
Hi --

--- In  Jason Stahls <> wrote:
>
>   On 8/20/2010 11:40 AM, Fran wrote:
> > Hi all,
> > I'm trying comunicate the TS-7553 with a lcd using i2c, but the frequency 
> > of the 7553 is greather than lcd, so it don't works correctly.
> > Does anyone know how can I set the frequency of the i2c?
> 
> Are you sure it's too high?  Almost everything out there will run on a 
> 400kHz i2c clock...  Do you have a logic analyzer that can do i2c decode 
> or a i2c protocol analyzer?  I had a real pain of a time getting i2c to 
> work when I first started playing with it and thankfully got my hands on 
> a protocol analyzer which made understanding what messages I had to send 
> and how a lot easier.

If you *do* want to change the frequency, take a look here and at the 
referenced patch on LAKML:
http://tech.groups.yahoo.com/group/ts-7000/message/13917

Not sure if this still applies to the current kernel.  

But yes, a protocol analyzer is a good tool to have.

regards, ...... Charlie

> 
> -- 
> Jason Stahls
>




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