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OLIMEX© 2014
6.7 PWR Jack
The power jack used is the typical 2.5mm one used by Olimex in most of our products. You should
provide between 6 and 16 volts @ 1.5A maximum to the board.
Pin #
Signal Name
1
Power Input
2
GND
More info about the power supply can be found in chapter 5 of this manual
6.8 Headphones and microphone connector
Standard audio jack and phone jack are mounted for the audio interfacing.
Microphone/Audio out connector
Pin#
SIGNAL NAME
2
L channel
3
R channel
5
HPCOM
The headphones resistance is 32 Ohms! The mic is connected to pins 84 and 85 of the A13 chip.
Processor Pin#
74
78
GND pins
Page 28 of 37
A13-OLinuXino user's manual
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