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CMOS Battery
Chapter:
Connectors
Beckhoff New Automation Technology
CB2050
page 17
3.2 CMOS Battery
The board ships with a CR2032 battery holder (Renata VBH2032-1) and 3V battery. Alternatively, an
external battery can be connected via a 2pin connector (JST B2B-EH-A, mating connector: EHR-2).
Pin
Name
Description
1
BATT
battery 3.3 volt
2
GND
ground