?
microSD Card Description and Pin Out
microSD Card is a type of Removable NAND-type small flash memory card format which,introduced in 2003.
microSD measures 11mm x 15mm and 1mm thick.
Two pinout tables are provided for microSD below; one table provides the pin out for SD Mode,and one table shows the SPI mode.
MicroSD Connector Manufacturers are listed below.
MicroSD is short hand for Micro-Secure Digital [Transflash]. Although Transflash was the original name for microSD,the name was changed to microSD once the standard was adpoted. Some manufacturers still use the term microSD/Transflash to describe a product.
Also refer to the SD Card,or the miniSD Card pages. There are 3 speed grades: Class 2,2MB/s,Class 4,4MB/s and class 6 card,6MB/s.
Mini and micro SD Card - EMI filtering and 25 kV ESD protection: EMIF06-mSD01F2,STMicroelectronics
microSD Pinout,SD Mode
| Pin # |
Pin Name |
Signal Function |
| 1 |
DAT2 |
Data Bit 2 |
| 2 |
CD/DAT3 |
Card Detect / Data Bit 3 |
| 3 |
CMD |
Command Line |
| 4 |
Vdd |
Supply Voltage 2.7v / 3.6v |
| 5 |
CLK |
Clock |
| 6 |
Vss |
Ground |
| 7 |
DAT0 |
Data Bit 0 |
| 8 |
DAT1 |
Data Bit 1 |
