ESP32S3 as SDIO slave at 1.8V

[Axent1987]

Hello.
I need a connection between the Host system and Slave (ESP32S3) through SDIO interface.
Seems there is no any problem, but my host system operates SDIO only at 1.8V (3.3V is missing).

I was trying find any information, but I couldn't (no any clear info like strapping pins or something).
Does ESP32S3 supports 1.8V operations on SDIO?

Thanks.

[Franco]

According to the ESP32 datasheet, the minimum IO voltage is 2.2V, so my opinion is that to use 1.8V SDIO, you may want to add a bidirectional level shifter that can be made with a couple of N-channel MOSFETs.

[Franco]

Due to the number of lines, an integrated circuit is a better solution, you can search for SDIO voltage translator and will get several results
MOSFET are more suitable for I2C.