ESP-WROOM-02D i2s io

[icyrockton]

I've read the ESP-WROOM-02D data sheet [url]extension://cdonnmffkdaoajfknoeeecmchibpmkmg/assets/pdf/web/viewer.html?file=https%3A%2F%2Fwww.espressif.com%2Fsites%2Fdefault%2Ffiles%2Fdocumentation%2Fesp-wroom-02u_esp-wroom-02d_datasheet_en.pdf[/url] .
In page 10 . I found i2s interface description .
IO15 (I2SO_BCK );
IO3 (I2SO_DATA);
IO2 (I2SO_WS )

Snipaste_2021-05-02_00-34-03.png (55.87 KiB) Viewed 2309 times

but I can not find IO3 pin ? so, where is IO3?

[ESP_krzychb]

Hi icyrockton,

IO3 is labeled as RXD pin, please see Table 2-1. ESP-WROOM-02U/ESP-WROOM-02D Pin Definitions

BTW this is ESP32 (not ESP8266) forum.