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What does I/O/T stand for in a pinout diagram? (esp32-s2)

Arjuna_1000

New Member
I am looking at the pinout of an esp32-s2 board with LCD Display (see picture below) and I am wondering what I/O/T stands for. I am particularly looking at pin IO46 and wondering if it can be used only as input (in case the "I" stands for input).

 

Pommie

Well-Known Member
Most Helpful Member
Got to ask, what is the difference between an input and a tristate (or high impedance) pin?

Mike.
P.S. serious question.
 

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