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SIM868_Series_Hardware_Design_V1.06 42 2017-07-13
Table 22: ADC specification
Parameter Min Typ Max Unit
ADC Resolution - 10 - bits
ADC precision 10 30 mV
5.12. Network Status Indication
Table 23: Pin definition of the NETLIGHT
The NETLIGHT pin can be used to drive a network status indication LED. The status of this pin is listed in
following table:
Table 24: Status of the NETLIGHT
Not registered the network
Registered to the network
GPRS communication is established
Reference circuit is recommended in Figure 35:
Module
NETLIGHT
GSM_VBAT
4.7K
47K
R
Figure 35: Reference circuit of NETLIGHT
Note: Customer can use AT command set mode. For details, please refer to document [1].
5.13. Operating Status Indication
The pin42 is for operating status indication of the module. The pin output is high when module is powered on
Pin name Pin number Description
Network Status Indication
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