User manual

Page | 31
2.4.3 Audio Output Interface
Pins
Definitions
Descriptions
1
GND
GND
2
NC
NC
3
Right
Right output
4
NC
NC
5
Left
Left output
2.4.4 Audio Input Interface
Pins
Definitions
Descriptions
1
GND
GND
2
NC
NC
3
MIC MAIN P
Right input
4
NC
NC
5
MIC MAIN N
Left input
2.4.5 Serial Interface
Pins
Definitions
Descriptions
1
NC
NC
2
RXD
Receive data
3
TXD
Transit data
4
NC
NC
5
GND
GND
6
NC
NC
7
RTS
Request To Send