[SOLVED] VP and VN pins on ESP32-WROOM-32

filo_gr
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Joined: Wed Jul 28, 2021 12:25 pm
Location: Italy

[SOLVED] VP and VN pins on ESP32-WROOM-32

Postby filo_gr » Fri Dec 23, 2022 9:39 am

Hello,

I'd like to know if VP and VN could be use as normal pins when used as ADC1_0, ADC1_3, RTC, GPIO input only.

I ask this because from here viewtopic.php?t=3206 and from other topics I understand that something has changed about the use of S_VP and S_VN.

I only care about if they work as well as the other pins.

Image
Last edited by filo_gr on Tue Jan 03, 2023 7:20 am, edited 1 time in total.
Filippo

username
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Re: VP and VN pins on ESP32-WROOM-32

Postby username » Sat Dec 24, 2022 12:41 am

That is answered in the data sheet.
https://www.espressif.com/sites/default ... eet_en.pdf

filo_gr
Posts: 109
Joined: Wed Jul 28, 2021 12:25 pm
Location: Italy

Re: VP and VN pins on ESP32-WROOM-32

Postby filo_gr » Sat Dec 24, 2022 2:39 pm

username wrote:
Sat Dec 24, 2022 12:41 am
That is answered in the data sheet.
https://www.espressif.com/sites/default ... eet_en.pdf
From page 15 and 56 of the datasheet I read that there is nothing strange on those pin, they are only input without pull-up/down.
I didn't read nothing more here, that's why I choose to write on this forum.
Can you confirm that they are "normal" pins?
Filippo

username
Posts: 479
Joined: Thu May 03, 2018 1:18 pm

Re: VP and VN pins on ESP32-WROOM-32

Postby username » Sat Dec 24, 2022 2:44 pm

Can you confirm that they are "normal" pins?
What is your definition of a "normal" pin?

filo_gr
Posts: 109
Joined: Wed Jul 28, 2021 12:25 pm
Location: Italy

Re: VP and VN pins on ESP32-WROOM-32

Postby filo_gr » Sat Dec 24, 2022 8:10 pm

username wrote:
Sat Dec 24, 2022 2:44 pm
Can you confirm that they are "normal" pins?
What is your definition of a "normal" pin?
I mean a pin that doesn't hide something, e.g. some kind of inefficiency
Filippo

filo_gr
Posts: 109
Joined: Wed Jul 28, 2021 12:25 pm
Location: Italy

Re: VP and VN pins on ESP32-WROOM-32

Postby filo_gr » Tue Jan 03, 2023 7:20 am

username wrote:
Sat Dec 24, 2022 12:41 am
That is answered in the data sheet.
https://www.espressif.com/sites/default ... eet_en.pdf
However I think you answered here ;) Thanks
Filippo

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