what is the logic of GPIO numbers in the ESP32-S2?

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crgarcia
Posts: 9
Joined: Wed Sep 09, 2020 9:52 pm

what is the logic of GPIO numbers in the ESP32-S2?

Postby crgarcia » Sun Feb 11, 2024 9:30 pm

Looking at the datasheet I see that the GPIO numbers are not continuous.
Is there any logic for it?

For example there are no GPIO 22-34 or 43-44

That is not the same for other ESP32

Thanks!
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ESP_Sprite
Posts: 9757
Joined: Thu Nov 26, 2015 4:08 am

Re: what is the logic of GPIO numbers in the ESP32-S2?

Postby ESP_Sprite » Mon Feb 12, 2024 1:56 am

Hm, I never noticed. Probably a bunch of pins that got cut from the design when we decided the packaging for the chip, but for some reason we never updated the pin numbers.
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