Quectel BG772A-GL Hardware Design page 26

I2C_SDA 5
Antenna Interfaces
Pin Name Pin No.
ANT_MAIN 26
ANT_GNSS 32
GPIO Interfaces*
Pin Name Pin No.
GPIO1 1
GPIO2 8
GPIO3 9
GPIO4 33
GPIO5 40
GPIO6 57
GPIO7 63
ADC Interfaces*
Pin Name Pin No.
ADC0 17
ADC1 18
BG772A-GL_Hardware_Design
I2C serial data (for
OD
external codec)
I/O Description
Main antenna
AIO
interface
GNSS antenna
AI
interface
I/O Description
General-purpose
DIO/PU
input/output
General-purpose
DIO/PD
input/output
General-purpose
DIO/PD
input/output
General-purpose
DIO/PD
input/output
General-purpose
DIO/PD
input/output
General-purpose
DIO/PU
input/output
General-purpose
DIO/PU
input/output
I/O Description
General-purpose
AI
ADC interface
General-purpose
AI
ADC interface
LPWA Module Series
BG772A-GL Hardware Design
External pull-up
resistor is required.
1.8 V only.
If this pin is unused,
keep it open.
DC
Comment
Characteristics
50 Ω impedance.
50 Ω impedance.
If this pin is unused,
keep it open.
DC
Comment
Characteristics
1.8 V
1.8 V
If this pin is unused,
keep it open.
1.8 V
1.8 V
BOOT_CONFIG.
Do not pull it up before
1.8 V startup.
If this pin is unused,
keep it open.
1.8 V
If this pin is unused,
keep it open.
1.8 V
DC
Comment
Characteristics
Voltage range:
0–1.8 V
If this pin is unused,
keep it open.
Voltage range:
0–1.8 V
25 / 75