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FIBOCOM MC610 Series Hardware Guide
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3.3.1.2 Startup Timing Sequence
Figure 3-6 Startup timing sequence control chart
Before lowering PWRKEY pins, VBAT voltage must be stable. It is suggested that the interval from
VBAT energization to PWRKEY pin lowering should not be less than 30 ms.
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 can only be powered off directly for shutdown.
3.3.2 Module Shutdown
The module supports the following three shutdown modes:
Note:
