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EC200U-CN
Quectel EC200U-CN User Manual
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LTE
Standard
Module
Series
EC200U_Seri
es_Har
dware_Desig
n
13
/
94
Baseband
PMIC
Transceiver
PA
PAM
ANT_MAIN
VBAT_BB
VBAT_RF
PWRKEY
ADCs
VDD_EXT
(U)SIMs
UARTs
I2Cs
Control
Duplex
Tx
PRx
SD
Card
STATUS
RESET_N
SAW
WLAN
ANT_BT/WIFI_SCAN
26 MHz
DCXO
SPI Nor Flash (64Mb)
PSRAM (128Mb)
LOUDSPK
MIC
ANT_GNSS
LCD
32 kHz Clock
GNSS
USB
Keypads
SAW
LNA
APT
SPI
PCM
Figure 1: Fu
nctional
Diagram
2.4.
E
VB
In
order
to
help
customers
to
develop
applicat
ions
with
EC200U
series,
Que
ctel
provides
an
evaluat
ion
board (UMT
S & L
TE EVB),
USB to RS-232 con
verte
r cable, earp
hone, antenn
as and other
periphera
ls to
control or test
the
module. For m
ore deta
ils, please r
efer
to
document
[1]
.
17
19
Table of Contents
Table of Contents
6
Contents
6
Safety Information
8
About the Document
9
Introduction
13
Special Marks
13
Product Overview
14
General Description
14
Key Features
15
Functional Diagram
17
Evb
18
Application Interfaces
19
General Description
19
Pin Assignment
20
Pin Description
21
Operating Modes
31
Power Saving
32
Sleep Mode
32
UART Application
32
USB Application with USB Remote Wakeup Function
33
USB Application with USB Suspend/Resume and MAIN_RI Function
33
USB Application
34
Airplane Mode
35
Power Supply
36
Power Supply Pins
36
Voltage Stability Requirements
36
Reference Design for Power Supply
37
Monitor the Power Supply
38
Turn On/Turn Off/Reset
38
Turn on Module with PWRKEY
38
Turn off Module
40
Turn off Module with PWRKEY
41
Turn off Module with at Command
41
Reset the Module
42
U)SIM Interfaces
43
USB Interface
45
UART Interfaces
47
SPI Interface
49
I2C Interfaces
50
PCM Interface
50
Analog Audio Interfaces
51
Notes on Audio Interface Design
52
Microphone Interface Circuit
52
Loudspeaker Interface Circuit
53
LCD Interface
54
Matrix Keyboard Interface
54
SD Card Interface
55
WLAN Application Interface
56
ADC Interfaces
58
Network Status Indication
58
Status
60
Behaviors of MAIN_RI
60
USB_BOOT Interface
61
Antenna Interfaces
63
Main Antenna and Wi-Fi Scan/Bluetooth Antenna Interfaces
63
Pin Definition
63
Operating Frequency
64
Reference Design of RF Antenna Interfaces
66
GNSS Antenna Interface
66
Reference Design of RF Layout
68
Antenna Installation
70
Antenna Requirement
70
Recommended RF Connector for Antenna Installation
70
Electrical Characteristics, Radio and Reliability
73
Absolute Maximum Ratings
73
Power Supply Ratings
74
Operating and Storage Temperatures
74
Power Consumption
75
Tx Power
83
Rx Sensitivity
84
Esd
86
Mechanical Information
88
Mechanical Dimensions
88
Recommended Footprint
90
Top and Bottom Views
91
Storage, Manufacturing & Packaging
92
Storage Conditions
92
Manufacturing and Soldering
93
Packaging Specifications
94
Carrier Tape
95
Plastic Reel
95
4
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Quectel EC200U-CN Specifications
General
Brand
Quectel
Model
EC200U-CN
Category
Control Unit
Language
English
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