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PRODUCT USER GUIDE
4.3 Audio
The EK-AI7933CLD has onboard audio connector associated with different functionalities of the
board. The detail of audio related function can refer to Table 2.
item
J8
3.5mm audio jack for external active speaker.
J6
Audio-Left_P switch , Pin(3,2,1) Pin define (Amp_L_in_P , Module_audio_out_L, Audio jack_L_in)
Select pin 2 & 1, The audio is output by audio jack. Select pin 3 & 2, The audio is output by speaker (J10)
J24
Audio-Right_P switch, Pin(3,2,1) Pin define (Audio jack_R_in , Module_audio_out_R ,Amp_R_in_P)
Select pin 3 & 2, The audio is output by audio jack. Select pin 2 & 1, The audio is output by speaker (J11)
J85
Audio-Left_N , Pin(1,2) Pin define (Audio_L_N,GND)
J86
Audio-Right_N, Pin(1,2) Pin define (GND, Audio_R_N)
J10
Audio header for left speaker
J11
Audio header for right speaker
U8
AMIC for left channel (the microphone hole is set at back side of EK-AI7933CLD )
U9
AMIC for right channel (the microphone hole is set at back side of EK-AI7933CLD )
SW2
Audio volume up button
SW3
Audio volume down button
Figure 6 . Audio Jumper and connector Locations
www.acsip.com.tw
Table 2 Audio related function
Detail
Product Name
EK-AI7933CLD
Version
A
Doc No
912-13903
Date
2022/04/29
Page
13 /26
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