thanks @ESP_Sprite it was very helpful.

An addition. I want to use Shift Register or Sensor on these pins. Can I use these pins in SPI Mode for read Shift Register or Sensor.

Firstly, thanks your reply. Does the same apply to using the SPI feature ? If the internal flash and external flash are connected to the same pins and there isn't any external flash on my system, Not recommended use GPIO and SPI mode theese pins Is it true ? - Should I use theese pins only when ther...

Hi, I'm working on a project using of only ESP32-S3FN8 chip. The Chip hasn't external flash memory. -I want to use Pin32~Pin35 (SPICS0,SPICLK,SPIQ,SPID) pins as GPIO but I didn't it. This way not recommended on documents but I need to use it like this. -I tried change pin function for each pins via ...

Hi,

Did you solve it ?
If you solved it, I will be glad if you write how you solved it.