> 12.5k implies a Vdd of 3.125V and
> 100k a Vdd of 25V (!?!?!)

No, I calculated those values from the min/max
value of the "weak pull up current" value from the data
sheet, both at 5V.

>As long as the transistor has low enough leakage (and it will have)
>to keep the pin above the negative-going transistion voltage then
>the weak pull-up will work

Thanks, that's enugh to run some tests...


Jan-Erik Svderholm
S:t Anna Data

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