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SARA-G450 Series
Ublox SARA-G450 Series User Manual
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UBX
-18046432 - R08
C1
-Public
www.u-blox.com
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System integrat
ion manual
Abstract
This
do
c
ument
des
cribes
the
featur
es
and
the
s
ystem
integration
of
the
SARA
-G45
0
quad
-band
GSM/GPRS
cellular
modules
.
These
modules
are
a
complete
a
nd
cost
efficient
so
lution
offering
voice
and/or data commun
ication
in the compa
ct SARA form factor.
2
Table of Contents
Document Information
2
Contents
3
Overview
6
Architecture
7
Pin-Out
9
Operating Modes
13
Supply Interfaces
15
Module Supply Input (VCC)
15
RTC Supply Input/Output (V_BCKP)
21
Generic Digital Interfaces Supply Output (V_INT)
22
System Function Interfaces
22
Module Power-On (PWR_ON)
22
Module Power-Off
24
Module Reset
26
Digital I/O Interfaces Voltage Selection (VSEL)
26
Antenna Interface
27
Antenna RF Interface (ANT)
27
Antenna Detection Interface (ANT_DET)
28
SIM Interface
28
U)SIM Card Interface
28
SIM Card Detection Interface (SIM_DET)
28
Serial Interfaces
29
Primary Main Serial Interface (UART)
29
Secondary Auxiliary Serial Interface (AUX UART)
40
Additional Serial Interface for FW Upgrade and Tracing (FT UART)
42
DDC (I2C) Interface
42
Audio Interfaces
44
Analog Audio Interface
44
General Purpose Input/Output (GPIO)
45
Reserved Pins (RSVD)
45
System Features
46
Network Indication
46
Antenna Detection
46
Jamming Detection
46
TCP/IP and UDP/IP
47
Ftp
47
Http
47
Ssl/Tls
47
Dual Stack Ipv4/Ipv6
48
Smart Temperature Management
48
Assistnow Clients and GNSS Integration
51
Hybrid Positioning and Celllocate
51
Firmware Upgrade over at (FOAT)
54
Last Gasp
54
Power Saving
55
Table of Contents
3
2 Design-In
56
Overview
56
Supply Interfaces
56
Module Supply (VCC)
56
RTC Supply (V_BCKP)
70
Interface Supply (V_INT)
71
System Functions Interfaces
72
Module Power-On (PWR_ON)
72
Module Hard Power-Off (PWR_OFF)
73
Digital I/O Interfaces Voltage Selection (VSEL)
74
Antenna Interface
75
Antenna RF Interface (ANT)
75
Antenna Detection Interface (ANT_DET)
82
SIM Interface
85
Guidelines for SIM Circuit Design
85
Guidelines for SIM Layout Design
90
Serial Interfaces
91
Primary Main Serial Interface (UART)
91
Secondary Auxiliary Serial Interface (AUX UART)
98
Additional Serial Interface for FW Upgrade and Tracing (FT UART)
99
DDC (I2C) Interface
100
Audio Interfaces
107
Analog Audio Interface
107
General Purpose Input/Output (GPIO)
112
Reserved Pins (RSVD)
113
Module Placement
113
Module Footprint and Paste Mask
114
Schematic for SARA-G450 Modules Integration
115
Design-In Checklist
116
Schematic Checklist
116
Layout Checklist
117
Antenna Checklist
117
3 Handling and Soldering
118
Packaging, Shipping, Storage and Moisture Preconditioning
118
Handling
118
Soldering
119
Soldering Paste
119
Reflow Soldering
119
Optical Inspection
120
Cleaning
120
Repeated Reflow Soldering
121
Wave Soldering
121
Hand Soldering
121
Rework
121
Conformal Coating
121
Casting
122
Grounding Metal Covers
122
Use of Ultrasonic Processes
122
4 Approvals
123
Product Certification Approval Overview
123
European Conformance
124
Chinese Compulsory Certification
124
5 Product Testing
125
U-Blox In-Series Production Test
125
Test Parameters for OEM Manufacturer
125
Go/No Go" Tests for Integrated Devices
126
Functional Tests Providing RF Operation
126
Appendix
127
A Migration between SARA Modules
127
Overview
127
Pin-Out Comparison: SARA-G3, SARA-G4, SARA-U2, SARA-R4, SARA-N2 Modules
130
Schematic for SARA Modules Integration
136
B Glossary
139
Related Documents
142
Revision History
142
Contact
143
4
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Ublox SARA-G450 Series Specifications
General
Brand
Ublox
Model
SARA-G450 Series
Category
GSM/GPRS Modules
Language
English
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