
SDExtenderBoard1.0_User’sManualPage4
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
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