At 07:58 PM 5/1/2003 +0200, you wrote:
> > They are getting better. The data sheet says the 12F675 is within 2%
> > ("characterized but not tested", they say) at 5.0V Vdd, and it appears
> > to be over temperature, but the data sheet DS41190A actually
>
>The terms of the -A sheet were fuzzy (to say the least). Get the -C
>sheet, it is better (and finaly states what the bandgap bits are for!).

Ah, thanks. The claims on that data sheet are good enough that serial
comms without a crystal or resonator should be considered, unlike the
older chips that were not accurate enough for reliable guaranteed
operation.

(Of course the bandgap bits couldn't be for anything else, but it's
nice to see it in writing. ;-))

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

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