Operating Status Indication; Kpled - SimCom SIM800 Hardware Design

Status
Off
64ms On/ 800ms Off
64ms On/ 3000ms Off
64ms On/ 300ms Off
Reference circuit is recommended in the following figure:

4.17. Operating Status Indication

The STATUS pin indicates the operating status of module. The pin output high when module power on, output
is low when module powered off.
Table 30: Pin definition of the STATUS
Pin name
STATUS

4.18. KPLED

SIM800 provides one open-drain LED driver pin.
Table 31: Pin definition of the KPLED
Pin name
KPLED
Reference circuit is recommended in the following figure:
SIM800_Hardware Design_V1.10
SIM800 behavior
SIM800 is not running
SIM800 not registered the network
SIM800 registered to the network
GPRS communication is established
Module
NETLIGHT
Figure 43: Reference circuit of NETLIGHT
Pin number Description
66
Operating
Pin number Description
23 Sink current for keypad LED
47
VBAT
R
4.7K
47K
status indication
Smart Machine Smart Decision
2018-08-13