Secure Digital (SD) Card Connector Pinout
From AllPinouts
Connector pinout for: Secure Digital (SD) Card
The Secure Digital memory card is a memory specifically developed to meet security requirements which have appeared in the field of electronic audio and video devices. It includes a Copyright protection mechanism which complies with the SDMI standard (Secure Digital Music Initiative). The file protection and encryption system (CPRM: Content Protection for Recordable Media) is integrated into the SD card. The SD card's interface supports standard MMC card operations.
| Pin | SD Mode | SPI Mode | ||||
|---|---|---|---|---|---|---|
| Name | Type | Description | Name | Type | Description | |
| 1 | CD/DAT3 | I/O/PP | Card detection / Connector data line 3 | CS | I | Chip selection in low status |
| 2 | CMD | PP | Command/Response line | DI | I | Data input |
| 3 | Vss1 | S | Supply voltage (earth) | VSS | S | Supply voltage |
| 4 | Vdd | S | Power supply | VDD | S | Power supply |
| 5 | CLK | I | Clock | SCLK | I | Clock |
| 6 | Vss2 | S | Supply voltage | VSS2 | S | Supply voltage |
| 7 | DAT0 | I/O/PP | Connector data line 0 | DO | O/PP | Data output |
| 8 | DAT1 | I/O/PP | Connector data line 1 | RSV | ||
| 9 | DAT2 | I/O/PP | Connector data line 2 | RSV | ||
References
- DANE-ELEC Datasheet (pdf link)
- KINGMAX Datasheet (pdf link)
- SYCARD Datasheet (pdf link)

