I2S ADC Mode ESP32-S3

matthias122
Posts: 13
Joined: Wed Aug 04, 2021 9:20 am

I2S ADC Mode ESP32-S3

Postby matthias122 » Wed Mar 09, 2022 2:13 pm

Hello,
I want to connect a analog microphone to the ESP32-S3.
But the functions to bring ESP32-S3 in I2S ADC Mode are not available, at ESP32 the functions are available.
Will ESP32-S3 support this feature in future or are there any Hardware restrictions?
Thanks for your help

ESP_Sprite
Posts: 9764
Joined: Thu Nov 26, 2015 4:08 am

Re: I2S ADC Mode ESP32-S3

Postby ESP_Sprite » Thu Mar 10, 2022 2:58 am

ADC DMA is a separate module in the ESP32S3 (not integrated into I2S anymore), although I'm not sure if currently the ESP-IDF ADC driver supports that...

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