3.7.3
Input Power Selection
The development kit can be powered using either external DC power supply or by using a battery. The
input power source selection is performed by using the connectors and selection switches shown in the
figure and subsections below.
3.7.3.1
Input Power Selection Switch S300 (2)
The S300 switch shown in the figure above is used to select the power source. To select the external DC
power supply as the power source, slide the switch towards the '12V' position. To power up the kit using
the battery, slide the switch towards the 'BATT' position. The default position is '12V'.
3.7.3.2
Battery ID and Thermistor Configuration DIP Switch S301 (4)
The 2-position DIP switch S301 shown in the figure above configures the battery ID and thermistor
settings. The table below describes the settings for the battery ID / thermistor DIP switch.
Table 4 – Battery ID / Thermistor Configuration DIP Switch Settings
Function
BATTERY THERMISTOR
Open-Q 845 µSOM Development Kit User Guide
Figure 4. Input Power Selection Locations
DIP
Description
Switch
Selects whether or not a 10K ohm
S301-1
thermistor is attached to the battery
connector J300.
3: Open-Q 845 µSOM Development Kit
Notes
For DC powered dev kit, set switch to
closed / ON (default). This enables the
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