Smart Machine Smart Decision
4.14.1. PWM Multiplexing Function
Table 32: PWM multiplexing function
Pin name
Pin number
Mode 0(default)
Mode 1
PWM
26
PWM
GPIO16
Note: Multiplexing function need different software supply.
4.15. Network Status Indication
Table 33: Pin definition of the NETLIGHT
Pin name
Pin number
Description
NETLIGHT
64
Network
Status Indication
The NETLIGHT pin can be used to drive a network status indication LED. The status of this pin is listed in
following table:
Table 34: Status of the NETLIGHT pin
Status
SIM800H&SIM800L behavior
Off
SIM800H&SIM800L is
not running
64ms On/ 800ms Off
SIM800H&SIM800L not registered the network
64ms On/ 3000ms Off
SIM800H&SIM800L registered
to the network
64ms On/ 300ms Off
GPRS communication is established
Reference circuit is recommended in the following figure:
Figure 46: Reference circuit of NETLIGHT
SIM800H&SIM800L_Hardware Design_V2.02 49
2015-07-27