Electronics > Beginners

How to define a microcontroller pin as open collector or open drain??

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ogden:
In addition to what's said, some uC have open drain GPIO mode for other than I2C pins. One example is stm32 series

Also it is worth to mention that internet search is much more powerful tool than forum post. Results come lot faster ;)

jpanhalt:
I would add that the newer 8-bit PIC's (e.g., 16F1783) allow the user to define open drain for almost any pin.

Wimberleytech:

--- Quote from: jpanhalt on January 06, 2019, 10:30:17 pm ---I would add that the newer 8-bit PIC's (e.g., 16F1783) allow the user to define open drain for almost any pin.

--- End quote ---

Many (if not all) of the Silabs MCUs do this as well.  The early 8-bit ones do for sure.

emece67:
.

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