Turn Off The Module; Turn Off The Module Using Pwrkey - Quectel EG12 Series Hardware Design

The turn-on scenario is illustrated in the following figure.
VBAT
PWRKEY
RESET_N
STATUS
UART
USB
NOTE
Please ensure that VBAT is stable for no less than 30ms before pulling down the PWRKEY.

3.7.2. Turn off the Module

The following two methods can be used to turn off the module: using PWRKEY or AT+QPOWD
command.

3.7.2.1. Turn off the Module Using PWRKEY

Driving PWRKEY low for at least 800ms, the module will execute power-down procedure after the
PWRKEY is released. The turn-off scenario is illustrated in the following figure.
EG12_Hardware_Design
NOTE
≥500ms
V ≤0.5V
IL
≥11.5s
≥13s
Inactive
Inactive
Figure 13: Timing of Turning on Module
V ≥1.3V
IH
≥14s
LTE-A Module Series
EG12 Hardware Design
Active
Active
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