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SC262R Series
Quectel SC262R Series User Manual
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Smart Module
Series
SC
200R&
SC262R_S
eries_Hard
ware_De
sign
4
/
1
24
SC200R-C
E/-EM/-NA.
3.
Chapter
7.5:
Added
RF
output
po
wer
of
SC200R-EM.
4.
Chapter
7.6:
Updated
RF
receiving
sensitiv
ity
of
SC200R-C
E/-EM/-NA.
5.
Chapter
9.1:
Updated
notes
for
the
storage
conditions.
6.
Chapter
9.2:
Updated
the
recommended
reflow
soldering t
hermal profi
le para
meters.
1.3
2022
-5-
23
Winston
1.
Add
SC262R-
WF
4
6
Table of Contents
Safety Information
3
About the Document
4
Table of Contents
6
Contents
6
Introduction
13
Special Mark
17
Product Concept
18
General Description
18
Key Features
21
Functional Diagram
24
Evaluation Board
24
Application Interfaces
25
General Description
25
Pin Assignment
26
Pin Description
27
Power Supply
41
Power Supply Pins
41
Decrease Voltage Drop
41
Reference Design for Power Supply
42
Turn on and off Scenarios
43
Turn on the Module Using PWRKEY
43
Turn off the Module
45
VRTC Interface
45
Power Output
46
Battery Charging and Management
47
USB Interface
49
UART Interfaces
51
U)SIM Interfaces
52
SD Card Interface
55
GPIO Interfaces
57
I2C Interfaces
60
SPI Interfaces
60
ADC Interface
61
Motor Drive Interface
61
LCM Interface
62
Touch Panel Interface
64
Camera Interfaces
66
Design Considerations
69
Sensor Interfaces
71
Audio Interfaces
71
Reference Circuit Design for Microphone Interfaces
72
Reference Circuit Design for Earpiece Interface
73
Reference Circuit Design for Headset Interface
74
Reference Circuit Design for Loudspeaker Interface
74
Design Considerations for Audio Interfaces
74
Emergency Download Interface
75
Wi-Fi and Bluetooth
76
Wi-Fi Overview
76
Wi-Fi Performance
76
Bluetooth Overview
78
Bluetooth Performance
79
Gnss
80
GNSS Performance
80
GNSS RF Design Guidelines
81
Antenna Interfaces
82
Main/Rx-Diversity Antenna Interfaces
82
Operating Frequencies
82
Reference Design for Main and Rx-Diversity Antenna Interfaces
85
Wi-Fi/Bluetooth Antenna Interface
86
GNSS Antenna Interface
87
Recommended Circuit for Passive Antenna
88
Recommended Circuit for Active Antenna
88
Reference Design for RF Layout
89
Antenna Installation
91
Antenna Requirements
91
Recommended RF Connector for Antenna Installation
92
Electrical, Reliability and Radio Characteristics
94
Absolute Maximum Ratings
94
Power Supply Ratings
94
Operating and Storage Temperatures
95
Current Consumption
95
RF Output Power
104
RF Receiving Sensitivity
107
Electrostatic Discharge
111
Mechanical Dimensions
112
Mechanical Dimensions of the Module
112
Recommended Footprint
114
Top and Bottom Views of the Module
115
Storage, Manufacturing and Packaging
116
Storage
116
4
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Quectel SC262R Series Specifications
General
Brand
Quectel
Model
SC262R Series
Category
Control Unit
Language
English
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