Quectel Smart EVB G5 User Manual

Smart Module Series
Smart_EVB_G5_User_Guide 45 / 66
The following table shows the pin definition of headset interface.
Table 17: Pin Definition of Headset Interface
The following figure shows the sketch design of audio plug which suits for the audio jack on Smart EVB
G5.
2
1
MIC
GND
SW
SPK_R
SPK_L
3
4
32Ω
32Ω
HS_DET
5
Figure 27: Sketch of Audio Plug
4.7.3. Earphone Interface
Smart EVB G5 provides one earphone interface and the earphone is soldered onto the Smart EVB G5 via
test point J1204. The following figure shows a reference circuit design for earphone interface.
Pin No.
Pin Name
Description
1
MIC
Positive microphone input
2
GND
Dedicated GND for audio
3
R-AUDIO
Headset right channel
4
DETECT
Headset detection
5
L-AUDIO
Headset left channel
6
GND
Ground

Quectel Smart EVB G5 Specifications

General

Brand	Quectel
Model	Smart EVB G5
Category	Control Unit
Language	English