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OLIMEX© 2014
6.2 SD/MMC slot
The microSD card slot is a standard 8pin connector.
The SD card can be used for booting the operating system for A13-OLinuXino. It is suggested to
have an SD card with a proper Linux/Android image especially if you have ordered a version of the
board without NAND memory.
We have tested a number of microSD cards on the OLinuXino boards and all of them worked fine
regardless manufacturer or capacity. However, keep in mind that some of the lower quality
microSD cards might draw too much current from the slot which might cause power-state problems.
If you suspect the microSD card is causing problems please try using another one of better quality
for better results.
microSD card connector
Pin #
Signal Name
1
DAT2/RES
2
SDC0_DATA3
3
SDC0_CMD
4
VDD
5
SDC0_SCK
6
VSS
7
SDC0_DATA0
8
SDC0_DATA1
When removing the card, please make sure that you release it from the connector by pushing and
NOT by pulling the card directly (this can damage both the connector and the microSD card).
Processor Pin #
113
112
111
-
110
-
108
107
Page 23 of 37
A13-OLinuXino user's manual
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