Smart Machine Smart Decision
SIM800C_Hardware_Design_V1.02
35
2015-4-27
Table 19: ADC specification
Parameter
Min
Typ
Max
Unit
Voltage range
0
-
2.8
V
ADC Resolution
-
10
-
bits
Sampling rate
-
-
1.0833
MHz
ADC precision
10
30
mV
4.10.
Network Status Indication
Table 20: 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 21: Status of the NETLIGHT pin
Status
SIM800C behavior
Off
Powered off
64ms On/ 800ms Off
Not registered the network
64ms On/ 3000ms Off
Registered to the network
64ms On/ 300ms Off
GPRS communication is established
Reference circuit is recommended in the following figure:
M odule
N E T LIG H T
V B A T
4.7K
47K
R
Figure 34: Reference circuit of NETLIGHT
4.10.1.
NETLIGHT Multiplexing Function
Table 22: NETLIGHT multiplexing function
Pin name
Pin number
Mode 0(default)
Mode 1
NETLIGHT
41
NETLIGHT
GPIO
Note: Multiplexing function need different software supply.
Pin name
Pin number
Description
NETLIGHT
41
Network Status Indication
