Olimex Open Source Hardware Embedded ARM Linux Single board computer with dual core, dual GPU ALLWINNER A20 CORTEX-A7 A2 A20-OLinuXino-MICRO 数据表
产品代码
A20-OLinuXino-MICRO
OLIMEX© 2013
A20-OLinuXino-MICRO user's manual
6.4 MIC_IN & HEADPHONES connectors
The part of the schematic related to those connectors is listed below:
Standard MIC_IN jack is mounted for audio input to the board. Note that it is a single channel
MIC_IN. The MIC_IN is a mono input.
MIC_IN. The MIC_IN is a mono input.
MIC_IN connector
Pin #
Signal name
Processor pin
2
MICIN
AC20
3
MICIN
AC20
5
GND
-
The socket can interface standard 3.5 mm phone connector (also known stereo plug or audio plug).
Headphones connector
Pin #
Signal name
Processor pin
2
HPOUTL
Y19
3
HPOUTR
W19
5
HPCOM (GND)
AA19, AA20
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