Product Info

LPWA Module Series
BG95 Series Hardware Design
BG95_Series_Hardware_Design 30 / 106
I2C Interface*
Pin Name Pin No. I/O Description DC Characteristics Comment
I2C_SCL 40 OD
I2C serial clock
(for external
codec)
External pull-up
resistor is required.
1.8 V only.
If unused, keep this
pin open.
I2C_SDA 41 OD
I2C serial data
(for external
codec)
External pull-up
resistor is required.
1.8 V only.
If unused, keep this
pin open.
Antenna Interfaces
Pin Name Pin No. I/O Description DC Characteristics Comment
ANT_MAIN 60 IO
Main antenna
interface
50 Ω impedance
ANT_GNSS 49 AI
GNSS antenna
interface
50 Ω impedance.
If unused, keep this
pin open.
ANT_WIFI*
1)
56 AI
Wi-Fi antenna
interface
50 Ω impedance.
If unused, keep this
pin open.
Only BG95-MF
supports the
interface.
GPIO Interfaces
Pin Name Pin No. I/O Description DC Characteristics
Comment
GPIO1 25 IO
General-purpose
input/output
V
OL
max = 0.45 V
V
OH
min = 1.35 V
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
If unused, keep this
pin open.
GPIO2 26 IO
General-purpose
input/output
V
OL
max = 0.45 V
V
OH
min = 1.35 V
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
If unused, keep this
pin open.