Product Info

LPWA M
odule Series
BG95 Series Hardware Design
BG95_S
eries_Hardware_Design 30 / 106
MAIN
_RI 39 DO
Main UART ring
indication
V
OL
m
ax = 0.45 V
V
OH
min =
1.35 V
1.8 V power domain.
If unus
ed, keep this
pin open.
Debu
g UART Interface
Pin N
ame Pin No. I/O Description DC Characteristics Comment
DB
G_RXD 22 DI
Debug UART
receive
V
I
L
m
in = -0.3 V
V
IL
max = 0.6 V
V
I
H
m
in = 1.2 V
V
I
H
max = 2.0 V
1.8 V power domain.
If unus
ed, keep this
pin open.
DB
G_TXD 23 DO
Debug UART
transmit
V
OL
m
ax = 0.45 V
V
OH
min =
1.35 V
1.8 V power domain.
If unus
ed, keep this
pin open.
GNS
S UART Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
GNS
S_TXD 27 DO
GNSS UART
transmit
V
OL
max = 0.45 V
V
OH
min =
1.35 V
BOOT_CONFIG.
Do not pull it up
before startup.
1.8 V power domain.
If unused, keep this
pin open.
GNS
S_RXD 28 DI
GNSS UART
receive
V
I
L
m
in = -0.3 V
V
I
L
m
ax = 0.6 V
V
IH
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.
PC
M Interface*
Pin N
ame Pin No. I/O Description DC Characteristics Comment
PCM_
CLK 4 DO
PCM clock
V
OL
m
ax = 0.45 V
V
OH
min =
1.35 V
1.8 V power domain.
If unus
ed, keep this
pin open.
PCM_SYN
C 5 DO
PCM data frame
sync
V
OL
max = 0.45 V
V
OH
min =
1.35 V
1.8 V power domain.
If unus
ed, keep this
pin open.
PCM_DIN 6 DI
PCM data input
V
I
L
m
in = -0.3 V
V
IL
m
ax = 0.6 V
V
I
H
min = 1.2 V
V
I
H
m
ax = 2.0 V
1.8 V power domain.
If unus
ed, keep this
pin open.
PCM
_DOUT 7 DO
PCM data output
V
OL
m
ax = 0.45 V
V
OH
min =
1.35 V
1.8 V power domain.
If unused, keep this
pin open.