Product Info

LPWA Module Series
BG95 Series Hardware Design
BG95_Series_Hardware_Design 29 / 106
MAIN_RI 39 DO
Main UART ring
indication
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep this
pin open.
Debug UART Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
DBG_RXD 22 DI
Debug UART
receive
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.
DBG_TXD 23 DO
Debug UART
transmit
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep this
pin open.
GNSS UART Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
GNSS_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.
GNSS_RXD 28 DI
GNSS UART
receive
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.
PCM Interface*
Pin Name Pin No. I/O Description DC Characteristics Comment
PCM_CLK 4 DO PCM clock
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep this
pin open.
PCM_SYNC 5 DO
PCM data frame
sync
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep this
pin open.
PCM_DIN 6 DI
PCM data input
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.
PCM_DOUT 7 DO PCM data output
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep this
pin open.