Micro SD Card Pinouts

Micro-SD (Transflash) Card Pinout for SPI Mode

MicroSD Transflash pinout

SPI Mode
Pin   Name     Description
1     NC       not connected
2     CS       Chip Select/Slave Select (SS)
3     DI       Master Out/Slave In (MOSI)
4     VDD      Supply voltage
5     CLK      Clock (SCK)
6     VSS      Supply voltage ground
7     DO       Master In/Slave Out (MISO)
8     RSV      Reserved