Quectel LTE-A Module Series - Reset Functionality

LTE-A Module Series
EM120R-GL&EM160R-GL Hardware Design
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3.5. Reset
The RESET# pin is used to reset the module. The module can be reset by driving RESET# to a low-level
voltage for 200–700 ms.
Table 8: Pin Definition of RESET#
An open collector/drain driver or button can be used to control the RESET# pin.
Host Module
RESET_N
Reset
Logic
GPIO
67
VDD 1.8 V
Reset pulse
200–700 ms
R1
100K
R3
100K
R2
1K
Q1
NPN
Figure 13: Reference Circuit of RESET_N with NPN Driving Circuit
Pin Name
Pin No.
Description
DC Characteristics
Comment
RESET#
67
Reset the module
VIHmax = 2.1 V
VIHmin = 1.3 V
VILmax = 0.5 V
Pulled up internally.
1.8 V power domain.