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Quectel EC2 Series User Manual
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M
odule
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eries
EM05
Hardware
Design
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are_De
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sed
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59
Reset pulse
RESET#
4.7K
47K
Figure
13
:
Reference
Circuit of RESET# by
Using Driving Ci
rcuit
RESET#
S2
Close to S2
TVS
Figure
14
: Reference
Circuit of RESET# by
Using Button
The reset
scenario is i
llustrated in the
following figur
e.
V
IL
≤
0.5V
V
IH
≥
1.3V
VCC
≥
150ms
Resetting
Module
Status
Running
RESET#
Restart
≤
460ms
Figure
15
:
Timing of
Resetting Module
Please ensur
e that there is no larg
e capacitance on RES
ET# pin.
NOTE
Quectel
Confidential
28
30
Table of Contents
About the Document
3
Table of Contents
4
Contents
4
Introduction
8
Safety Information
9
Product Concept
10
General Description
10
Key Features
11
Functional Diagram
13
Application Interfaces
14
Pin Assignment
15
Pin Description
16
Operating Modes
20
Power Saving
20
Sleep Mode
20
USB Application with USB Remote Wakeup Function
21
USB Application with USB Suspend/Resume and WOWWAN# Functions
21
Airplane Mode
22
Power Supply
23
Decrease Voltage Drop
23
Reference Design for Power Supply
24
Monitor the Power Supply
25
Turn on and off Scenarios
25
Turn on the Module Using the FUL_CARD_POWER_OFF
25
Turn off the Module
27
Turn off the Module Using the FUL_CARD_POWER_OFF# Pin
27
Turn off the Module Using at Command
27
Reset the Module
28
U)SIM Interface
30
USB Interface
33
PCM and I2C Interfaces
34
Control and Indicator Signals
36
W_DISABLE1# Signal
37
LED# Signal
37
WOWWAN# Signal
38
DPR Signal
39
Configuration Pins
40
GNSS Receiver
41
General Description
41
Antenna Interfaces
42
Main/Rx-Diversity Antenna Interfaces
42
GNSS Antenna Interface
43
Antenna Installation
43
Antenna Requirement
43
Recommended RF Connector for Antenna Installation
44
Electrical, Reliability and Radio Characteristics
47
Absolute Maximum Ratings
47
Power Supply Requirements
47
I/O Requirements
48
Operating Temperature
48
Current Consumption
49
RF Output Power
51
RF Receiving Sensitivity
52
ESD Characteristics
53
Thermal Consideration
53
Mechanical Dimensions and Packaging
55
Mechanical Dimensions of the Module
55
Standard Dimensions of M.2 PCI Express
56
Design Effect Drawings of the Module
57
Connector
58
Packaging
58
Appendix References
59
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Quectel EC2 Series Specifications
General
Brand
Quectel
Model
EC2 Series
Category
Control Unit
Language
English
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