TREK1000 User Manual
© Decawave 2016
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9.2.4 SW1
This is the ARM reset button.
Table 15: SW1 ARM reset button
Switch
Pressed
Released
Description
SW1
Forces
hardware
reset of
ARM
processor
Allows ARM
processor
to operate
normally
Is used to allow reset the ARM processor.
9.3 On-board 2-pin jumper functions
Table 16: J10 function
Jumper
In
Out
Description
J10
Connects
main 3.3V
power from
DW1000
Disconnects
main 3.3V
power from
DW1000
Enables DW1000 power/current measurement.
9.4 On-board 3-pin headers with jumper functions
9.4.1 J2 and J3 functions
Table 17: J2 and J3 functions
Jumper
In pins 1 & 2
In pins 2 & 3
Out
Description
J2
DW1000 uses 3.3
V supply for
VDDLDO
DW1000 uses
external DC-
DC 1V8 supply
for VDDLDO as
current saving
option
DW1000
VDDLDO
power
disconnected
For more information
see Reference [2].
J3
DW1000 uses 3.3
V supply for
VDDLDO2
DW1000 uses
external DC-
DC 1V8 supply
for VDDLDO2
as current
saving option
DW1000
VDDLDO2
power
disconnected
For more information
see Reference [2].