User's Manual

Smart Machine Smart Decision
SIM5360A_User_Manual_V1.03 2014-07-03
27
Table 6: Power on timing
Symbol Parameter
Time value
Unit
Min. Typ. Max.
Ton The time to pull POWERKEY down to power on 180 500 - ms
TpD+ The time to indicate connecting with the network - - 5 s
Tpw+
The time to indicate the module is powered on
completely
-
- 0.5
s
Tuart The time to enable UART - - 8 s
Tusb The time to enable USB - - 10 s
Note: Module could be automatically power on by connecting Power ON pin to Low level directly.
Before designing, please refer to Document [27] for more detail.
3.2.2 Power off Sequence
The following methods can be used to power down SIM5360. These procedures will make module
disconnect from the network and allow the software to enter a safe state, and then save data before
completely powering the module off.
● Method 1: Power off SIM5360A by pulling the POWERKEY pin down
● Method 2: Power off SIM5360A by AT command
User can power off the SIM5360A by pulling POWERKEY down for a specific time. The power off
scenario is illustrated in the following figure.