Product Info

LPWA M
odule Series
BG95 Series Hardware Design
BG95_S
eries_Hardware_Design 31 / 106
I2C I
nterface*
Pin N
ame Pin No. I/O Description DC Characteristics
Com
ment
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.
A
ntenna Interfaces
Pin N
ame Pin No. I/O Description DC Characteristics
Com
ment
ANT_M
AIN 60 IO
Main antenna
interface
50 Ω impedance
ANT_G
NSS 49 AI
GNSS antenna
interface
50 Ω impedance.
If unused, keep this
pin open.
ANT_W
IFI*
1)
56 AI
W
i-Fi antenna
interface
50 Ω impedance.
If unused, keep this
pin open.
Only BG95-MF
supports the
interface.
GPIO Interfaces
Pin N
ame Pin No. I/O Description DC Characteristics
Comment
GPI
O1 25 IO
General-purpose
input/output
V
OL
m
ax = 0.45 V
V
OH
min = 1.35 V
V
I
L
m
in = -0.3 V
V
IL
m
ax = 0.6 V
V
I
H
m
in = 1.2 V
V
I
H
m
ax = 2.0 V
1.8 V power domain.
If unus
ed, keep this
pin open.
GPI
O2 26 IO
General-purpose
input/output
V
OL
max = 0.45 V
V
OH
min =
1.35 V
V
I
L
min = -0.3 V
V
IL
m
ax = 0.6 V
V
I
H
m
in = 1.2 V
V
I
H
m
ax = 2.0 V
1.8 V power domain.
If unus
ed, keep this
pin open.