J2
Pin # Signal Name
1 GND
2 Not Connected
3 Not Connected
4 Not Connected
5 Not Connected
6 Not Connected
7 SR_DATA_IN
8 Not Connected
9 Not Connected
10 Not Connected
EXT
Pin # Signal Name
1 VCC
2 SR_SCK
3 SR_LATCH
4 SR_DATA_OUT
5 GND
6 Not Connected
MIC
Pin # Signal Name
1 A_IN
2 GND
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