Is this microcontroller pin open drain or push-pull?

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treez

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Hello,

Is the PA20 and PA21 pins of the Atmel SAM3N00B microcontroller open drain outputs or push-pull?

I can't tell from page 8 of the datasheet (it seems to suggest that pull up resistors are needed to take the pins high?)......


SAM3N00B MICROCONTROLLER DATASHEET:
http://www.atmel.com/Images/doc11011.pdf
 

What is your purpose ?
 
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