Quectel 5G Series - Page 23

5G Module Series
5G EVB User Guide
5G_EVB_User_Guide 22 / 36
The figure and table below illustrates the pin assignment and pin definition of earphone connector J0901.
Figure 13: Pin Assignment of J0901
Table 4: Pin Definition of J0901
The following figure shows a schematic of audio plug which suits the audio jack on 5G EVB.
2
1
MIC
GND
SW
SPK_R
SPK_L
3
4
32Ω
32Ω
Figure 14: Schematic of Audio Plug
Pin No.
Pin Name
Description
1
MIC
Microphone input
2
AGND
Dedicated GND for audio
3
SPK_R
Right channel of stereo audio output
4
SPK_L
Left channel of stereo audio output
5, 6
NC
Not connected