2.5.1
Stereo Audio Right Channel (CN1)
Pin
Pin Name
1
R+
2
R-
2.5.2
RTC Battery Connector (CN2)
Pin
Pin Name
1
+3.3 V
2
GND
2.5.3
4-Pin Power-In Connector (CN6)
Pin
Pin Name
1
GND
2
GND
3
+VIN
4
+VIN
Chapter 2 – Hardware Information
Signal Type
OUT
OUT
Signal Type
PWR
GND
Signal Type
GND
GND
PWR
PWR
Signal Level
Signal Level
3.3 V
Signal Level
+12V // +9V to +24V
+12V // +9V to +24V
16