Table of Contents
Advertisement
3.3. Pin Description
Table 4: I/O Parameters Definition
Type
AI
AO
DI
DO
IO
PI
PO
Table 5: Pin Description
Power Supply
Pin Name
Pin No.
VBAT
42, 43
VDD_EXT
24
GND
1, 10, 27, 34, 36, 37, 40, 41
Power Key Interface
BC65_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
Provides 1.8 V
PO
for external
circuit
DC Characteristics
Vmax = 4.2 V
Vmin = 3.2 V
Vnorm = 3.8 V
Vnorm = 1.8 V
NB-IoT Module Series
BC65 Hardware Design
Comment
VBAT = 3.2–4.2 V
No voltage output in
Deep Sleep mode.
It is intended to
supply power for the
module's pull-up
circuits, and thus it
is not recommended
to be used as the
power supply for
external circuits.
16 / 55
Advertisement
Table of Contents
