Re: [avr-chat] 32768 Hz clock

[Royce Pereira]

Hi Bill,

I did try your suggestion of overflowing TCNT2 & dividing the interrupts by 
128, and it worked!
But like you said without the caps, there is an error of 1 sec/hour.

So- what are the recommended values of capacitors to be used?

Many Thanks,

--Royce.

On Sun, 23 Apr 2006 05:49:21 +0530, Bill Rochat <address@hidden> wrote:

> claims that you don't need external capacitors when ASSR is selected,
> however, without them, there is a time error of about 1 second each hour.
>
> I notice that you interrupt 512 per sec.  Any particular reason??  I just
> let the counter overflow TCCR2=0x08. That occurs 128 per sec.


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