Thanks to ALFAT chipset at its core, ALFAT OEM board offers a seamless way to access files on SD & MMC cards and on USB memory drives. Simple commands are used on UART (serial), SPI or I2C to access files at high rates. Rates are as high as 4000K Bytes/sec on SD and as high as 4000K Bytes/sec on USB memory.

Note: the 32.768Khz RTC crystal is not populated by default. Specifications Packaging LQFP64 UART 1 SPI 1 I2C 1 USB Client No Voltage 3.3V USB Host 2 2.0 FS HS Memory Cards MMC SD SDHC Power Consumption 38mA 2.5mA Operating Temp. -40 to +85