Bosch Sensortec
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Application Board 3.0 User Guide
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Modifications reserved | Data subject to change without notice
Document number: BST-DHW-AN008-00
BTN-CTRL
BTN-T1
GPIO_33
P1.09
Active low. When activated, connected
to ground through a 360ohm resistor
BTN-T2
GPIO_7
P0.25
Active low. When activated, connected
to ground through a 360ohm resistor
LED-CTRL
LED-RED
GPIO_45
P0.07
Active low. Connected to 2.8V through
a 100ohm resistor
LED-BLUE
GPIO_46
P0.12
Active low. Connected to 2.8V through
a 33ohm resistor
LED-GREEN
GPIO_32
P0.11
Active low. Connected to 2.8V through
a 10ohm resistor
PWR-CTRL
VDD-SEL
GPIO_44
P0.27
When low, 1.8V is routed to Vdd and
2.8V when high
VDD-EN
GPIO_16
P0.03
Routes selected Vdd voltage to the
Shuttle’s Vdd pin when high and routes
Ground when low
VDDIO-EN
GPIO_17
P0.28
Routes 1.8V to the Shuttle’s VddIO pin
when high and routes Ground when low
BAT-MEAS
VBAT-MON-EN
GPIO_18
P0.02
Active low. When activated, connects
the Li-ion anode to the voltage divider
VBAT-MON
GPIO_20
P0.31
Output of the voltage divider. 3V is read
as 1.125V and 4.2V as 1.575V. R1 is
300kohm and R2 is 180kohm
5
Shuttle Board 3.0
Dimensions
The following figure describes the typical dimensions of the Shuttle Board 3.0 for standard shuttles.
Figure 5 Standard Shuttle Board 3.0 dimensions
The following figure describes the typical dimensions of the Shuttle Board 3.0 for multi-sensor shuttles.
