Wi-Fi&Bluetooth Module Series
FCM561D-P_Hardware_Design
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61
MIC_P
26
AI
Microphone
analog input (+)
MIC_N
25
AI
Microphone
analog input (-)
SPK_P
24
AO
Analog audio
differential output
(+)
SPK_N
23
AO
Analog audio
differential output
(-)
RESERVED PIN
Pin Name
Pin No.
Comment
RESERVED
2
Not
connected