Resetting Scenario; Schematics - Quectel EG21-G Reference Design

1.2.3. Resetting Scenario

VBAT
RESET_N
Module
Status
NOTES
Please ensure that there is no large capacitance with the max value exceeding 10nF on PWRKEY
1.
and RESET_N pins.
RESET_N only resets the internal baseband chip of the module and does not reset the power
2.
management chip.
3. It is recommended to use RESET_N only when failing to turn off the module by AT+QPOWD
command or PWRKEY pin.

1.3. Schematics

The schematics illustrated in the following pages are provided for your reference only.
EG21-G_Reference_Design
≤460ms
≥150ms
≤0.5V
V
IL
Running Resetting
Figure 3: Timing of Resetting Module
LTE Standard Module Series
EG21-G Reference Design
≥1.3V
V
IH
Restart
8 / 8