Altera Cyclone II FPGA Starter Development Board - Manual (Page 49)

Altera Corporation Reference Manual 2–31
October 2006 Cyclone II FPGA Starter Development Board
Development Board Components
SD Card Connector
The Cyclone II FPGA Starter board includes an SD Card connector (U8)
(
Figure 2–23 ) to interface with SD Card devices including flash storage.
Figure 2–23. SD Card Connector
Figure 2–24 shows the schematic diagram of the SD Card interface.