LPWA Module Series
BG95 Hardware Design
BG95_Hardware_Design 28 / 80
GPIO65 65 DO
General-
purpose input/
output interface
V
OL
max=0.45V
V
OH
min=1.35V
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
If unused, keep this
pin open.
GPIO66 66 DO
General-
purpose input/
output interface
V
OL
max=0.45V
V
OH
min=1.35V
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
If unused, keep this
pin open.
ADC Interfaces
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
ADC0
3)
24 AI
General
purpose analog
to digital
converter
interface
Voltage range:
0.3V to 1.8V
ADC0 and ADC1
cannot be used
simultaneously.
BG95 supports using
of only one ADC
interface at a time:
either ADC0 or
ADC1. Currently only
ADC0 is enabled,
and ADC1 will be
enabled in the next
hardware design
version
ADC1
3)
2 AI
General
purpose analog
to digital
converter
interface
Voltage range:
0.3V to 1.8V
Other Interface Pins
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
PSM_IND*
4)
1
DO
Power saving
mode indicator
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep this
pin open.
W_DISABLE#* 18
DI
Airplane mode
control
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
Pulled up by default.
When it is in low
voltage level, the
module can enter
into airplane mode.
If unused, keep this
pin open.
