Secure Digital (SD) Card

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9 pin Secure Digital Card 9 pin Secure Digital 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
1 CD/DAT3 I/O/PP
2 CMD PP
3 Vss1 S
4 Vdd S
5 CLK I
6 Vss2 S
7 DAT0 I/O/PP
8 DAT1 I/O/PP
9 DAT2 I/O/PP

References

Category:Memory Connectors

 

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