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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