2.4.26
Audio I/O Port (CN28)
Pin
Pin Name
1
MIC_L
2
MIC_R
3
GND_AUDIO
4
LINE_L_IN
5
LINE_R_IN
6
GND_AUDIO
7
LEFT_OUT
8
GND_AUDIO
9
RIGHT_OUT
10
+5V_AUDIO
2.4.27
External Power Input (CN29)
Pin
Pin Name
1
VIN
2
GND
3
GND_EARTH
Chapter 2 – Hardware Information
MIC_L
1
MIC_R
GND_AUDIO
LINE_L_IN
LINE_R_IN
GND_AUDIO
LEFT_OUT
GND_AUDIO
RIGHT_OUT
+5V_AUDIO
10
Signal Type
IN
IN
GND
IN
IN
GND
OUT
GND
OUT
PWR
VIN
1
2
GND
3
GND_EARTH
Signal Type
PWR
GND
GND
Signal level
+5V
Signal level
+9V~+30V
33