2
Hardware Installation
31
2.5.8 Audio Jacks
Front Audio (J21)
Pin
1
3
5
7
9
Function
Mic+
Mic Power
AuD_R_Out
N. C.
AuD_L_Out
Function
Ground
AuD_Vcc (Avcc)
AuD_R_Return (GND)
Key
AuD_L_Return (GND)
Pin
2
4
6
8
10
Line-out
Line-in
Mic-in
2
19
10

Front audio

(J21)

2
1
10
9