ESP32-S3-WROOM-2 with 1.8 V SPI Voltage

[helmutkohlkanzler]

Hi all, has anybody tried the WROOM-2 with 1.8 V SPI voltage?
I ask because this ESP32 model is listed in the table (https://github.com/helgeerbe/OpenDTU-OnBattery/wiki/ESP32-Versions-and-Memory). The adum1201 does not seem to support 1.8 V.
Any comments very welcome!

• marcus

[spcqike]

Isn’t the SPI voltage only relevant for external flash memory? So in this case the 16Mb or 32Mb?

I thought esp32 has 3.3V logic level voltage on its pins.

See its data sheet

https://www.espressif.com/sites/default/files/documentation/esp32-s3-wroom-2_datasheet_en.pdf

[helmutkohlkanzler]

Thanks spcqike, as you quote only the GPIO47 and GPIO48 work on 1.8 V level. The GPIOs for general purpose SPI2 are GPIO10 ... GPIO12.