Quectel BC95

NB-IoT Module Series
BC95 Hardware Design
BC95_Hardware_Design Confidential / Released 16 / 51
54,
59~66,
71~74,
81~83,
92~94
Reset Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
RESET
15
DI
Reset the module
R
PU
≈78kΩ
V
IH
max=3.3V
V
IH
min=2.1V
V
IL
max=0.6V
Pull up internally.
Active low.
Network Status Indicator
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
NETLIGHT*
18
DO
Network status
indication
V
OL
max=0.4V
V
OH
min=2.4V
If unused, keep this
pin open.
ADC Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
ADC*
21
AI
General purpose analog
to digital converter
interface
Input voltage range:
0V to VBAT
If unused, keep this
pin open.
UART Port
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
RXD
29
DI
Receive data
V
IL
max=0.6V
V
IH
min=2.1V
V
IH
max=3.3V
3.0V power domain.
TXD
30
DO
Transmit data
V
OL
max=0.4V
V
OH
min=2.4V
3.0V power domain.
RI*
34
DO
Ring indicator
V
OL
max=0.4V
V
OH
min=2.4V
3.0V power domain.
If unused, keep this
pin open.
Debug Port
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
DBG_
RXD
19
DI
Receive data
V
IL
max=0.6V
V
IH
min=2.1V
V
IH
max=3.3V
If unused, keep these
pins open.
Quectel
Confidential