"Don B. Roadman" <bjmcpher@USIT.NET> wrote:
> I can't figure out where the VDD comes from for the charge
> pump which runs the 13V regulator. I guess it comes from the
> modular 6 pin connector, but it isnt shown explicitly. Maybe it
> comes from the ISP header? But that wouldnt make much sense
> because then it wouldnt work without the isp header connected to
> something.

Yes, the VDD comes from the circuit you are testing, through the modular
connector pin 2.

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