Simple SD card interface for 5V motherboards. The voltage limiter and IO level shifter have been integrated onto the board.

Motherboard Interface:
4 pin SPI: SO, SI, CLK, CS
Lock detect

External Interface:
Standard SD card slot (Push-Pull)

Voltage:

• 5V

Features:

• 1 status LED (data out)
• Level pull ups for 5V CMOS levels
• 5V-3V3 voltage limiter