Hardware Design V1.0
Table Of Contents
- About the Document
- Contents
- Table Index
- Figure Index
- 1 Introduction
- 2 Product Concept
- 3 Application Functions
- 4 Antenna Interface
- 5 Electrical, Reliability and Radio Characteristics
- 6 Mechanical Dimensions
- 7 Storage and Manufacturing
- 8 Appendix A Reference
NB-IoT Module Series
BC95 Hardware Design
BC95_Hardware_Design Confidential / Released 14 / 45
3.3. Pin Description
The following tables show the pin definition and description of BC95.
Table 3: I/O Parameters Definition
Type
Description
IO
Bidirectional input/output
DI
Digital input
DO
Digital output
PI
Power input
PO
Power output
AI
Analog input
AO
Analog output
OD
Open drain
Table 4: Pin Description
Power Supply
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
VBAT
45, 46
PI
Main power supply of
the module:
VBAT=3.1V~4.2V
Vmax=4.2V
Vmin=3.1V
Vnorm=3.8V
VDD_
EXT
26
PO
Supply 3.0V voltage for
external circuit
Vnorm=3.0V
I
O
max=20mA
If unused, keep this
pin open.
Recommend to add a
2.2~4.7uF bypass
capacitor when using
this pin for power
supply.
GND
2, 43,
47, 48,
51, 52,
54,
Ground
Quectel
Confidential