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Subject: Re: Frequency/speed shift

Re: Frequency/speed shift

From: Linus Nielsen Feltzing <linus_at_haxx.se>
Date: Mon, 12 Aug 2002 19:40:55 +0200

On Mon, 12 Aug 2002 18:46:44 +0200 (CEST), Matthias Wächter wrote:
> Hi!
>
>
> I already deleted the request, but here are my 0.02 EUR on that.
>
>
> Did anyone try the CLKI PLL feature of the MAS3507D as documented
> at page 36 of the data sheet? Is the -0.74 < PLLOffset < 0.74
> condition a show stopper, maybe the bounds are not that rigid?

Those PLL settings are there to adjust for different crystal
frequencies to generate the different sampling frequencies. The 48kHz
PLL for the 14.31818 crystal we have today is set to 0.7314. That
does not give us any margin at all for tuning the pitch any further.

/Linus

-- 
Linus Nielsen Feltzing, linus_at_haxx.se on 2002-08-12
Received on 2002-08-12

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