LPWA Module Series
BG96 Hardware Design
BG96_Hardware_Design 46 / 79
1. ADC input voltage must not exceed 1.8V.
2. It is prohibited to supply any voltage to ADC pins when VBAT is removed.
3. It is recommended to use resistor divider circuit for ADC application, and the divider resistor accuracy
should be no less than 1%.
3.17. GPIO Interfaces
The module provides two general-purpose input and output (GPIO) interfaces.
AT+QCFG="GPIO"
command can be used to configure corresponding GPIO pin
’s status. For more details about the AT
command, please refer to
document [2]
.
Table 23: Pin Definition of GPIO Interfaces
The following table describes the characteristics of GPIO interfaces.
Table 24: Logic Levels of GPIO interfaces
“*” means under development.
Pin Name
Pin No.
Description
GPIO26
26
General purpose input and output interface
GPIO64
64
General purpose input and output interface
Parameter
Min.
Max.
Unit
V
IL
-0.3
0.6
V
V
IH
1.2
2.0
V
V
OL
0
0.45
V
V
OH
1.35
1.8
V
NOTES
NOTE
