Timur Tabi <ti...@freescale.com> wrote on 10/09/2009 17:22:38:
>
> Joakim Tjernlund wrote:
>
> > Come on, just because my board is somewhat broken, it doesn't mean the
> > driver is correct. If I define my speed to 100KHz I get
> > a DFSR of 22, way over what is allowed for my board.
>
> Why is a value of 22 over what is allowed on the board?  I was under the
> impression that DFSR and FDR are just two values that work together to create
> a divider.  Is there something special about DFSR?

>From AN2919, chap. 4.1:
C <= 50*T, C is dfsr and T is i2c_period in nano seconds.

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