2.4.4 Secure Digital Input Output (SDIO)/ Serial Peripheral Interface (SPI)
Implements Wi-Fi® Link Conrtoller-specific operations related to the communication bus protocol.
Note: The WILCS02 device does not
support SPI protocol driver. It uses the SDIO driver to communicate with Wi-Fi
firmware in below modes
- High Speed SDIO 4-bit mode
- HIgh Speed SDIO over SPI mode (MMC-SPI)