We don’t have PDAs anymore, but the SDIO spec remains. [ajlitt] dug up an SDIO driver for the ESP8089 chip, and found that you can liberate the ESP8266’s SPI bus by removing a flash memory ...
The SDIO 3.0 Device Controller is fully compliant with the SD Specification Part E1 SDIO 3.0. The SDIO 3.0 Device IP is used to implement high-performance SDIO cards that connect to a Host processor ...
However, SDIO cards and modules tend to be obscure and proprietary beyond reason. Enter ESP-Hosted – Espressif’s firmware and driver combination for ESP32 (press release)(GitHub), making your ...
Posedge’s SDIO 3.0 Device controller offers complete silicon proven solution and provides a significant time-to-market advantage to customers. The IP comes with the Host and Client drivers to help ...