2M4/2M5/2M6/2M7-1
2-3-17
Connector Pin Signal I/O Voltage Description
CN3 1MONSP O
Analog Speaker sound signal
Connected to
speaker
2 GND - - Ground
CN4 1 HINT I 0/3.3 V DC Interrupt signal
Connected to
main PWB
2 GND - - Ground
3 HSCCSB I 0/3.3 V DC SPI chip select signal
4 HSAD O 0/3.3 V DC SPI data output
5 GND - - Ground
6 HSD I 0/3.3 V DC SPI data input
7 HSCLK I 0/3.3 V DC (pulse) SPI clock signal
8 GND - - Ground
9 RESB I 0/3.3 V DC Reset signal
10 +3.3V2 I 3.3 V DC 3.3 V DC power from MPWB
11 GND - - Ground
12 +24V1 I 24 V DC 24 V DC power from MPWB
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