Quectel BG95

LPWA Module Series
BG95&BG96 Compatible Design
BG95&BG96_Compatible_Design 17 / 47
28
UART3_RXD
DI
Receive data.
1.8V power domain.
GNSS_RXD
DI
Receive data.
1.8V power
domain.
29
VDD_EXT
PO
Provide 1.8V for
external circuit
VDD_EXT
PO
Provide 1.8V for
external circuit
30
DTR
DI
Data terminal ready.
Sleep mode control.
1.8V power domain.
MAIN_DTR
DI
Data terminal
ready.
Sleep mode
control.
1.8V power
domain.
31
GND
/
Ground
GND
/
Ground
32~33
VBAT_BB
PI
Power supply for the
module’s baseband
part:
3.3V~4.3V, typ. 3.8V
VBAT_BB
PI
Power supply for
module’s baseband
part:
BG95-M1/-M2/-N1:
2.6V
5)
~4.8V, Typ.
3.3V
BG95-M3/-M5:
3.3V~4.3V, Typ.
3.8V
BG95-M4:
Typ. 3.8V
34
RXD
DI
Receive data.
1.8V power domain.
MAIN_RXD
DI
Receive data.
1.8V power
domain.
35
TXD
DO
Transmit data.
1.8V power domain.
MAIN_TXD
DO
Transmit data.
1.8V power
domain.
36
CTS
DO
Clear to send.
1.8V power domain.
MAIN_CTS
DO
Clear to send.
1.8V power
domain.
37
RTS
DI
Request to send.
1.8V power domain.
MAIN_RTS
DI
Request to send.
1.8V power
domain.
38
DCD
DO
Data carrier detection.
1.8V power domain.
MAIN_DCD
DO
Data carrier
detection.
1.8V power
domain.
39
RI
DO
Ring indication.
1.8V power domain.
MAIN_RI
DO
Ring indication.
1.8V power
domain.
40
I2C_SCL
OD
I2C serial clock. Used
I2C_SCL
OD
I2C serial clock.