Reset - Quectel LTE-A Module Series Hardware Design

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#
Pin Name Pin No. Description
RESET# 67 Reset the module
An open collector/drain driver or button can be used to control the RESET# pin.
Host
Reset pulse
GPIO
Figure 13: Reference Circuit of RESET_N with NPN Driving Circuit
EM120R-GL&EM160R-GL_Hardware_Design
EM120R-GL&EM160R-GL Hardware Design
DC Characteristics
V max = 2.1 V
IH
V min = 1.3 V
IH
V max = 0.5 V
IL
RESET_N
Q1
NPN
R2
R3
1K
–
200 700 ms
100K
LTE-A Module Series
Comment
Pulled up internally.
1.8 V power domain.
Module
VDD 1.8 V
R1
100K
67
Reset
Logic
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