> > Thank you for your reply, the problem is that I don't know
> > what Tosc should be, i.e. the options are 1,2,4,8,32,64 --
> > so I don't know which one to choose?
> 
> OK.
> 
> Tosc = 1/Fosc.
> 
> It's nothing you can "choose".

Hello,
When you say "It's nothing I can choose" I don't understand.
Page 229 tells us that ADCS0-ADCS2 are Fosc select bits.
The word "select" implies we are choosing (selcting) the value?
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