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EG915U Series
Quectel EG915U Series User Manual
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L
TE
Standard
Module
Series
EG915U_Seri
es_Hard
ware_Desi
gn
23
/ 81
PSM_IND
1
DO
Indicate
the
module’
s
power saving
mode
PSM_EI
NT
96
DI
External int
errupt pin;
wake
up
the mo
dule
fro
m
PSM
Other Interfac
es
Pin Name
Pin No.
I/O
Descriptio
n
DC Chara
cteristics
Comment
W_DISABL
E#
18
DI
Airplane
mode contro
l
V
IL
min = -0.3
V
V
IL
max = 0.6
V
V
IH
min = 1.26
V
V
IH
max = 2.0
V
1.8 V power
domain. Pu
lled
up by defaul
t.
When it is in
low
voltage leve
l, the
module ca
n
enter airpla
ne
mode. If
unused,
keep it open.
When the pin
is
powered on,
there will be
a
period of t
ime
when the le
vel
status is
uncertai
n.
AP_READY
19
DI
Application
process
or
ready
V
IL
min = -0.3
V
V
IL
max = 0.6
V
V
IH
min = 1.26
V
V
IH
max = 2.0
V
1.8 V power
domain.
If
unused, kee
p
it
open
.
When the
PIN
pin is powere
d
on, there w
ill be
a period of
time
when the le
vel
status is
uncertain.
GND
Pin Name
Pin No.
G
ND
3, 31, 48,
50, 54, 55,
58,
59,
61, 62, 67,
68, 69, 70,
71, 72, 73,
74, 79,
80, 81, 82,
89,
90, 91, 100,
101, 102
RESERV
ED
Pin Name
Pin No.
23
25
Table of Contents
Safety Information
4
About the Document
5
Contents
6
Table of Contents
6
1 Introduction
11
Special Mark
11
2 Product Overview
12
Frequency Bands and Functions
12
Key Features
13
Functional Diagram
15
Pin Assignment
16
Pin Description
17
Evb
25
3 Operating Characteristics
26
Operating Modes
26
Sleep Mode
27
UART Application Scenario
27
USB Application Scenario
28
USB Application with USB Remote Wakeup Function
28
USB Application with USB Suspend/Resume and MAIN_RI Wakeup Function
30
Airplane Mode
31
Hardware
31
Software
31
Power Supply
31
Power Supply Pins
31
Reference Design for Power Supply
32
Requirements for Voltage Stability
32
Turn on
33
Turn on with PWPKEY
33
Turn off
35
Turn off with PWPKEY
36
Turn off with at Command
36
Reset
37
4 Application Interfaces
39
Analog Audio Interfaces
39
Audio Interfaces Design Considerations
39
Microphone Interface Design
40
Receiver Interface Design
40
USB Interface
41
USB_BOOT Interface
43
U)SIM Interface
44
I2C and PCM Interfaces
46
UART Interfaces
47
ADC Interface
49
SPI Interface
51
PSM Interface
51
Indication Signal
52
Network Status Indication
53
Status
53
Main_Ri
54
Control Signal
55
5 Antenna Interfaces
56
Main Antenna Interface
56
Pin Definition
56
Operating Frequency
56
Reference Design of Antenna Interface
58
Operating Frequency
59
Antenna Installation
61
Antenna Design Requirement
61
RF Connector Recommendtion
61
6 Electrical Characteristics & Reliability
64
Absolute Maximum Ratings
64
Power Supply Ratings
64
Operation and Storage Temperatures
65
Power Consumption
65
Tx Power
73
Rx Sensitivity
74
Esd
76
7 Mechanical Information
77
Mechanical Dimensions
77
Recommended Footprint
79
Top and Bottom Views
80
8 Storage, Manufacturing & Packaging
81
Storage Conditions
81
Manufacturing and Soldering
82
Packaging Specifications
83
Packaging Process
85
9 Appendix References
87
Other manuals for Quectel EG915U Series
Application Note
29 pages
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Quectel EG915U Series Specifications
General
Brand
Quectel
Model
EG915U Series
Category
Control Unit
Language
English
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