LTE Module Series
EG25-G Hardware Design
EG25-G_Hardware_Design 57 / 100
Table 18: Pin Definition of ADC Interfaces
Pin Name
Pin No.
Description
ADC0
45
General purpose analog to digital converter
ADC1
44
General purpose analog to digital converter
The following table describes the characteristic of the ADC function.
Table 19: Characteristic of ADC
Parameter
Min.
Typ.
Max.
Unit
ADC0 Voltage Range
0.3
VBAT_BB
V
ADC1 Voltage Range
0.3
VBAT_BB
V
ADC Resolution
15
Bits
1.
ADC input voltage must not exceed VBAT_BB.
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.
3.17.
Network Status Indication
The network indication pins can be used to drive network status indication LEDs. The module provides
two pins which are NET_MODE and NET_STATUS. The following tables describe pin definition and logic
level changes in different network status.
Table 20: Pin Definition of Network Connection Status/Activity Indicator
Pin Name
Pin No.
I/O
Description
Comment
NET_MODE
5
DO
Indicate the module network
registration mode.
1.8V power domain
Cannot be pulled up
before startup
NET_STATUS
6
DO
Indicate the module network activity
status.
1.8V power domain
NOTES
