Hardware Guide

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FIBOCOM MC610 Series Hardware Guide 32/71
3.3.1.3 Automatic Startup
If the module needs to be powered on for automatic startup, PWRKEY pins can be directly connected to
the ground. In this way, the module sleep power consumption will increase by 0.2mA, and the module
can only be powered off directly.
3.3.2 Module Shutdown
The module supports the following three shutdown modes:
Table 3-7 Module shutdown mode
Shutdown
Mode
Shutdown Method
Applicable Scenarios
Low voltage
shutdown
Shutdown when VBAT voltage
is too low or powered down
At this time, the module does not follow the normal
shutdown process or the process of logging off from
the base station.
Hardware
shutdown
Lowering PWRKEY (more than
3.1 s), and then releasing
Normal shutdown
AT shutdown
AT+CPWROFF
Software shutdown
1. When the module works normally, do not cut off the power supply of the module immediately, to
avoid damaging the Flash inside the module. It is strongly recommended to turn off the module
through PWRKEY or AT command before disconnecting the power supply.
2. When the AT command is shut down, it is not applicable to automatic startup.