SDML-WLU0 Series - User Guide, Rev. 1.0
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7.2.
RTC Power Input Wafer (CN18)
The 1x2-pin 1.25 mm pitch RTC 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 13: RTC Power Input Wafer CN18
Table 20: Pin Assignment CN18
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
