Portenta SDIO example

Portenta supports SDIO. However, I could not find these pins on the board or an example for writing to an SD card using the SDIO interface.

SDIO is much faster than SPI, and that's why it was adapted for Audio/Video data streaming to be written on an SD card.

All help is appreciated.

wbadry have you checked if the vision shields make use of SDIO. They have the built in SD Card

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