See the document about pullup requirements for more details about pullup support and compatibility of modules and development boards. In SPI mode, pins can be customized. See the initialization of sdspi_slot_config_t structure in the example code. Note about GPIO2 GPIO2 pin is used as a ...
capacity, performance, and environment requirements inherent in newly emerging audio and video consumer electronic devices. The SD Memory Card will include a content protection mechanism.The SD Memory Card security system uses mutual authentication and a "new cipher algorithm" to protect against illegal...