LPWA Module Series
BG770A-GL Hardware Design
BG770A-GL_Hardware_Design 21 / 75
1. ADC input voltage must not exceed 1.8 V.
2. The input voltage range of USB_VBUS is 1.19–2.0 V.
3. Keep all RESERVED pins and unused pins unconnected.
4. GND pins should be connected to ground in the design.
5. PCM and I2C interfaces are for VoLTE* only.
3.2. Pin Description
The following tables show the pin definition of BG770A-GL.
Table 4: Definition of I/O Parameters
Type
Description
AI
Analog Input
AO
Analog Output
AIO
Analog Input/Output
DI
Digital Input
DO
Digital Output
DIO
Digital Input/Output
NP
No Pull
OD
Open Drain
PI
Power Input
PO
Power Output
PU
Pull Up
PD
Pull Down
NOTES
