Home
Quectel
Control Unit
EC25-V
Quectel EC25-V User Manual
4
of 1
of 1 rating
67 pages
Give review
Manual
Specs
To Next Page
To Next Page
To Previous Page
To Previous Page
Loading...
LTE
Module
Series
EC25-V
User
Manual
EC25-V_
User_Manual
Confidenti
al /
Released
12
/
69
2.4.
Functional Diagram
The follow
ing figure sh
ows a bloc
k diagram o
f EC25 and illustrat
es the ma
jor function
al parts.
Power manage
ment
Baseband
DDR+NA
ND fl
ash
Radio frequen
cy
Peripheral int
erface
Baseband
PMIC
Transceiver
NAND
DDR2
SDRAM
PA
Switch
LNA
Switch
ANT_MAIN
ANT_DIV
ANT_GNSS
VBAT_BB
VBAT_RF
APT
PWRKEY
ADCs
VDD_EXT
USB
USIM
PCM
UART
I2C
RESET_N
19.2M
XO
STATUS
GPIOs
SAW
Control
IQ
Control
Duplex
SAW
Tx
PRx
DRx
Figure 1:
Functional
Diagram
12
14
Table of Contents
About the Document
3
Contents
4
Table of Contents
4
1 Introduction
8
Safety Information
8
2 Product Concept
10
General Description
10
Directives and Standards
11
FCC Statement
11
Key Features
11
Functional Diagram
13
Evaluation Board
14
3 Application Interface
15
General Description
15
Pin Assignment
15
Figure 2: Pin Assignment (Top View)
16
Pin Description
17
Operating Modes
22
Power Saving
23
Sleep Mode
23
UART Application
23
USB Application with USB Remote Wakeup Function
24
USB Application with USB Suspend/Resume and RI Function
24
USB Application Without USB Suspend Function
25
Airplane Mode
26
Power Supply
26
Power Supply Pins
26
Decrease Voltage Drop
27
Reference Design for Power Supply
28
Monitor the Power Supply
29
Turn on and off Scenarios
29
Turn on Module Using the PWRKEY
29
Figure 11: Turn on the Module Using Keystroke
30
Turn off Module
31
Turn off Module Using the PWRKEY Pin
31
Turn off Module Using at Command
31
Reset the Module
31
Table 8: Reset_N Pin Description
32
USIM Card Interface
33
Figure 17: Reference Circuit of 8-Pin Usim Connector
34
USB Interface
35
Figure 19: Reference Circuit of Usb Application
36
UART Interface
37
Table 13: Logic Levels of Digital I/O
38
PCM and I2C Interface
39
Table 14: Pin Definition of Pcm and I2C Interface
40
Figure 24: Reference Circuit of Pcm Application with Audio Codec
41
ADC Function
42
Status
43
Behavior of the RI
44
Table 20: Behavior of the Ri
45
4 GNSS Receiver
46
Layout Guideline
47
5 Antenna Interface
48
GNSS Antenna Interface
49
Antenna Installation
50
Install the Antenna with RF Connector
51
Figure 30: Mechanicals of Uf.l-Lp Connectors
52
Figure 31: Space Factor of Mated Connector (Unit: MM)
53
6 Electrical, Reliability and Radio Characteristics
54
Operating Temperature
55
RF Receiving Sensitivity
56
7 Mechanical Dimensions
57
Figure 33: Module Bottom Dimensions (Bottom View)
58
Footprint of Recommendation
59
Top View of the Module
60
8 Storage and Manufacturing
61
Packaging
62
Figure 38: Carrier Tape
63
9 Appendix A Reference
64
4
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the Quectel EC25-V and is the answer not in the manual?
Ask a question
Quectel EC25-V Specifications
General
Brand
Quectel
Model
EC25-V
Category
Control Unit
Language
English
Related product manuals
Quectel EC25
232 pages
Quectel EC25-AUX
135 pages
Quectel EC25 series
70 pages
Quectel EC25 Mini PCIe
80 pages
Quectel EC21-AU
122 pages
Quectel EC200U-EU
100 pages
Quectel EC200T-EU
102 pages
Quectel EC200U-CN
100 pages
Quectel EC2 Series
60 pages
Quectel EC21 Series
122 pages
Quectel EC200U Series
100 pages
Quectel EC200T Series
102 pages
To Next PageTo Next PageTo Previous PageTo Previous Page
Loading...
Need help?
General
