Appendix – Bplus SDEX User Manual
Page 5
SD Extender Board 1.0_User’s Manual
Page 4
FAE2009SDEX_01 ©2009
Bplus Technology
Appendix
A. Secure Digital Pin Description
Table-1 SD Extender Signal Description
Table-2 SD Card Pinout
SD Conn Pin Name
Description
JP2 Pin
1 DAT3 DAT
Bit3
2
2 CMD Command
4
3
VSS1
Supply Voltage Ground
4 VDD Supply
Voltage
5 CLK Clock
6
6
VSS2
Supply Voltage Ground
7
DAT0
Data Bit 0
9
8
DAT1
Data Bit 1
10
9
DAT2
Data Bit 2
1
10
DAT4
Data Bit 4
3
11
DAT5
Data Bit 5
5
12
DAT6
Data Bit 6
7
13
DAT7
Data Bit 7
8