MiniSD Card

 

MiniSD Card description and Pin Out

MiniSD Card is a type of Removable NAND flash memory card format which was introduced in 2003. The MiniSD Card measures 20mm x 21.5mm and 1.4mm thick.
miniSD cards have memory capacities ranging from 256MB to 4GB. However, some of the capacity may be used for formatting and other functions, and not available for data storage. A miniSD card will fit in an SD card slot with a miniSD Adapter, miniSD Adaptes makes miniSD memory cards compatible with all SD-based devices. MiniSD cards are used with digital cameras, camcorders, mobile phones, MP3 players, PC�s, PDA�s and any other device with a SecureDigital card slot. Power supply voltage range; 2.7v to 3.6 volts
There are 3 speed grades: Class 2, 2MB/s, Class 4, 4MB/s and class 6 card, 6MB/s.
Also refer to the SD Card, or the microSD Card pages, which are the other physical formats.

miniSD Pinout

Pin #	Pin Name	SD Signal Function SD Mode	SPI Signal Function SPI Mode
1	CD/DAT3	Chip Detect/Data Line 3	Chip Select
2	CMD	Command Line	Data In [DI]
3	VSS1	Ground	Ground
4	Vdd	Voltage Supply [2.7v or 3.6v]	Voltage Supply [2.7v or 3.6v]
5	Clock	Clock	Clock [SCK]
6	Vss2	Ground	Ground
7	DAT0	Data Line 0	Data Out [DO]
8	DAT1	Data Line 1	Unused
9	DAT2	Data Line 2	Unused
10	NC	For future use	For future use
11	NC	For future use	For future use