LPWA Module Series
BG950A-GL&BG951A-GL_Hardware_Design
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Antenna Interface
Pin Name
Pin No. I/O
Description
DC
Characteristics
Comment
ANT_MAIN
60
AIO
Main antenna
interface
50 Ω impedance
ANT_GNSS
49
AI
GNSS antenna
interface
50 Ω impedance.
If unused, keep
this pin open.
GPIO Interface
*
Pin Name
Pin No. I/O
Description
DC
Characteristics
Comment
GPIO1
25
DIO
General-purpose
input/output
V
OL
max = 0.38 V
V
OH
min = 1.36 V
V
IL
min = -0.2 V
V
IL
max = 0.57 V
V
IH
min = 1.19 V
V
IH
max = 2.0 V
1.8 V power
domain.
If unused, keep
this pin open.
GPIO2
26
DIO
GPIO3
64
DIO
GPIO4
65
DIO
GPIO5
66
DIO
GPIO6
85
DIO
GPIO7
86
DIO
GPIO8
87
DIO
GPIO9
88
DIO
ADC Interface
Pin Name
Pin No. I/O
Description
DC
Characteristics
Comment
ADC0
24
AI
General-purpose
ADC interface
Voltage range:
0–1.8 V
If unused, keep
this pin open.
ADC1
2
AI
General-purpose
ADC interface
Voltage range:
0–1.8 V
Other Interfaces
*
Pin Name
Pin No. I/O
Description
DC
Characteristics
Comment
W_DISABLE#
18
DI
Airplane mode control
V
IL
min = -0.2 V
V
IL
max = 0.57 V
V
IH
min = 1.19 V
V
IH
max = 2.0 V
1.8 V power
domain.
Pulled up by
default.
When it is at low