
3.5"-SBC-WLU - User Guide, Rev. 1.8
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7.1.2.
RTC Battery Power Input Wafer (BAT1)
The 1x2-pin 1.25 mm pitch RTC battery power input wafer is intended to be connected to the battery. The battery
provides power to the system clock to retain the time when power is turn off.
Figure 11: RTC Battery Power Input Wafer BAT1
Table 17: Pin Assignment BAT1
Pin
Signal
Description
Note
1
+VRTC
Real-time clock backup battery input
2
GND
Ground
Connector Type
B2W, 1x2-pin, 1.25 mm pitch
Mating Connector
Vendor
Housing Model No.
Terminal Model No.
PINREX
712-75-02W001
712-70-T00001