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3.3. Pin Description
Table 3: I/O Parameters Definition
Type
AI
AO
DI
DO
IO
PI
PO
Table 4: Pin Description
Power Supply
Pin Name
Pin No.
VBAT
45, 46
VDD_
26
EXT
VCC_BT*
1
2, 7, 9,
GND
43, 47,
BC950N-N1_Hardware_Design
Description
Analog input
Analog output
Digital input
Digital output
Bidirectional
Power input
Power output
I/O
Description
Power supply for
PI
the module
3.0V output
PO
power supply
Power supply for
PI
the Bluetooth
GND
BC950N-N1 Hardware Design
DC Characteristics
Vmax=4.6V
Vmin=3.4V
Vnorm=3.8V
Vnorm=3.0V
Vnorm: 1.7V~3.6V
LPWA Module Series
Comment
No voltage output in
PSM mode.
It is intended to
supply power for the
module's pull-up
circuits, and is thus
not recommended to
be used as the power
supply for external
circuits.
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