IOMUX GPIO19 GPIO20 D+ D- on ESP32 S3

Coyneniklas
Posts: 2
Joined: Sun May 12, 2024 11:23 am

IOMUX GPIO19 GPIO20 D+ D- on ESP32 S3

Postby Coyneniklas » Sun May 12, 2024 7:36 pm

Hello
Im new to this forum and i hope anyone of you can help me to clarify if what i want even is possible.

I want to use the native usb on esp32 S3 and i managed to to this before on another esp32 S3 board if have lying around with out any issues.

But now i want to use a esp board with a 1.28” round touch screen from waveshare and if i understand it right that board doesnt have the dedicated pins for native usb broken out.

Because of this im wondering if its possible to use the IOMux to get the GPIO19 and GPIO20 on 2 other GPIO pins?

The broken out pins on that board are.

GND
VSYS
Reset
BOOT
GND
3.3V
GPIO15
GPIO16
GPIO17
GPIO18
GPIO21
GPIO33

If this is possible could i IOMUX this to any of those Pins? Any answers and guidance are much appreciated. Thanks in advance.
Niklas

ESP_Sprite
Posts: 9724
Joined: Thu Nov 26, 2015 4:08 am

Re: IOMUX GPIO19 GPIO20 D+ D- on ESP32 S3

Postby ESP_Sprite » Mon May 13, 2024 1:46 am

No, sorry, USB is one of the few peripherals whose IO pins cannot be changed.

Coyneniklas
Posts: 2
Joined: Sun May 12, 2024 11:23 am

Re: IOMUX GPIO19 GPIO20 D+ D- on ESP32 S3

Postby Coyneniklas » Mon May 13, 2024 7:51 am

Ok. Thanks for the information.
Much appreciated

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