Chapter:
Connectors
Memory and internal connectors
page 26
ADL Embedded Solutions
ADLE3800SEC
4.3.5 External Battery
In order to supply the ADLE3800SEC in case of a powerfail, it can be plugged into an external RTC
battery via a 2pin connector. The maximum battery voltage is 3.3V.
Manufacturer
Description
Mating Connector
JST
BM02B-SRSS-TB(LF)(SN)
e.g. JST455-1392-ND
UL Conformity: The board already implements all required technical
measures for UL conformity. Connect the battery directly. There are no
further technical measures required!
Synchronicity of RTC: The RTC quartz is sensitive to thermal
fluctuation. Therefore the synchronicity can only be achieved with
sufficient cooling!
Pin
Name
Description
1
BATT
battery 3.3 volt
2
GND
ground
N
OTICE
N
OTICE