NB-IoT Module Series
BC65 Hardware Design
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3.10. ADC Interface
The module provides one Analog-to-Digital Converter (ADC) interface. The interface is available in active
and idle modes.
Table 14: Pin Definition of ADC Interface
3.11. RI Behaviors
When a URC is received, RI will be driven low for at least 120 ms:
RI
HIGH
LOW
URC Output
Idle
120 ms
Figure 21: RI Timing When a URC Is Received
3.12. Network Status Indication
The NETLIGHT pin can be used to indicate the network status of the module. The following table
illustrates the module status indicated by NETLIGHT.
Table 15: Module Status Indicated by NETLIGHT
Pin Name
Pin No.
Description
Comment
ADC
9
General-purpose ADC interface
0
–1.8 V
NETLIGHT Level
Module Status
Always Low (LED Off)
The module is not working or the modem is in
idle/PSM mode
