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ADuC847 Port 0 External Pull Up Selection

Question asked by mauricew on Nov 3, 2012
Latest reply on Nov 9, 2012 by MMA

Hello all!

I am working with a ADuC847. I would like to use a Port 0 pin in an open drain configuration to control the on off state of a low power MOSFET. I understand that an external pull-up resistor is needed, but I can find no information regarding value constraints. For example, to conserve energy, I would like to use the highest value possible. Would 10 M ohm be too high? Thank you in advance.

-Maurice

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