Turn On; Turn On The Module With Pwrkey - Quectel LPWA Series Hardware Design

3.7. Turn On

3.7.1. Turn on the Module with
Table 9: Pin Definition of PWRKEY
Pin Name Pin No.
PWRKEY 15
When the module is in power off mode, it can be turned on and enter normal operation mode by driving
the PWRKEY low for 500–1000 ms. It is recommended to use an open drain/collector driver to control the
PWRKEY.
Another way to control the PWRKEY is by using a button directly. When pressing the button, an
electrostatic strike may generate from finger. Therefore, a TVS component shall be placed near the button
for ESD protection.
BG950A-GL&BG951A-GL_Hardware_Design
PWRKEY*
I/O Description
DI Turn on/off the module
Figure 6: Turn on the Module by Using Driving Circuit
Figure 7: Turn on the Module by Using Keystroke
LPWA Module Series
Comment
Internally pulled up resistor is 470 kΩ.
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