
14
4.5 Detailed Description
4.5.1 12V DC Jack
For convenient usage, 12V DC power adapter is provided in default package list. Battery & 12V power
adaptor can be used independently; when both are connected, the EVB will choose 12V adaptor and cut-off
battery power supplying. At the same time, system will switch to adaptor mode and cut-off charging.
4.5.2 Battery Connector
Pin 1
Support 3.8V battery with embedded thermal detecting. The connector part number is
WF12-062S3R/WAFER. PINs definition.
Battery Interface
PINs
Signal
IO Level
Description
1
-VBAT_CON
GND
Power supply negative
2
3
BAT_CON_ID
Battery ID
4
BAT_THERM
Battery thermal detecting
5
+VBAT_CON
3.6V-4.2V
Power supply positive
6
Table 4.5-1 Battery Interface Definition