Sure the Fox supports the I2C protocol alright.
You still need a driver on top of the I2C protocol to interface your 
RTC chip.
To support the DS1307 RTC you'll need a driver that uses the I2C 
protocol driver, currently there doesn't seem to be such a driver in 
the SDK.

--- In [email protected], "hrmvb" <[EMAIL PROTECTED]> wrote:
>
> Damn, so this is all just sales talk on page 
http://www.acmesystems.it/?id=105:
> "The FOX Board natively supports the I2C protocol at kernel level"
> 
> Harm
> 
> 
> --- In [email protected], "Andre" <afmdsgn@> wrote:
> >
> > It looks like the DS1307 has a true I2C interface, and the DS1302 
> > a 'simple 3-wire interface'.
> > So that would make 'em incompatible.
> > 
> > The SDK does contain a PCF8563 I2C driver, but the address and 
> > register layout is different from the DS1307.
> > 
> > Greetings Andre.
> > 
> > --- In [email protected], "hrmvb" <hrmvb@> wrote:
> > >
> > > I connected a DS1307 RTC Miniboard from Futurlec
> > > (http://www.futurlec.com/Mini_DS1307.shtml) to my Foxboard, 
> > > but is isn't recognized. 
> > > Boot log says: "ds1302: RTC not found."
> > > 
> > > Connections:
> > > 
> > > DS1307     Foxboard
> > > -------------------
> > > GND        J6.40 GND
> > > SDA        J6.32 I2C_DATA
> > > SCL        J6.31 I2C_CLK
> > > +VCC       J7.25 +5V 
> > > 
> > > What did I do wrong?
> > > 
> > > - Harm
> > >
> >
>


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