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SARA-G450 - System integration manual

UBX-18046432 - R08 Contents Page 3 of 143

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Contents

Document information ................................................................................................................................ 2

Contents .......................................................................................................................................................... 3

1 System description ............................................................................................................................... 6

1.1 Overview ........................................................................................................................................................ 6

1.2 Architecture ................................................................................................................................................. 7

1.3 Pin-out ........................................................................................................................................................... 9

1.4 Operating modes ....................................................................................................................................... 13

1.5 Supply interfaces ...................................................................................................................................... 15

1.5.1 Module supply input (VCC) ............................................................................................................. 15

1.5.2 RTC supply input/output (V_BCKP) ...............................................................................................21

1.5.3 Generic digital interfaces supply output (V_INT) ....................................................................... 22

1.6 System function interfaces .................................................................................................................... 22

1.6.1 Module power-on (PWR_ON) .......................................................................................................... 22

1.6.2 Module power-off .............................................................................................................................. 24

1.6.3 Module reset ...................................................................................................................................... 26

1.6.4 Digital I/O interfaces voltage selection (VSEL)........................................................................... 26

1.7 Antenna interface ..................................................................................................................................... 27

1.7.1 Antenna RF interface (ANT) ........................................................................................................... 27

1.7.2 Antenna detection interface (ANT_DET)..................................................................................... 28

1.8 SIM interface .............................................................................................................................................. 28

1.8.1 (U)SIM card interface ....................................................................................................................... 28

1.8.2 SIM card detection interface (SIM_DET) ..................................................................................... 28

1.9 Serial interfaces ........................................................................................................................................ 29

1.9.1 Primary main serial interface (UART) ........................................................................................... 29

1.9.2 Secondary auxiliary serial interface (AUX UART) ....................................................................... 40

1.9.3 Additional serial interface for FW upgrade and tracing (FT UART) ....................................... 42

1.9.4 DDC (I2C) interface ........................................................................................................................... 42

1.10 Audio interfaces ........................................................................................................................................ 44

1.10.1 Analog audio interface ..................................................................................................................... 44

1.11 General Purpose Input/Output (GPIO) .................................................................................................. 45

1.12 Reserved pins (RSVD) .............................................................................................................................. 45

1.13 System features ........................................................................................................................................ 46

1.13.1 Network indication ........................................................................................................................... 46

1.13.2 Antenna detection ............................................................................................................................ 46

1.13.3 Jamming detection .......................................................................................................................... 46

1.13.4 TCP/IP and UDP/IP ............................................................................................................................ 47

1.13.5 FTP ....................................................................................................................................................... 47

1.13.6 HTTP .................................................................................................................................................... 47

1.13.7 SSL/TLS .............................................................................................................................................. 47

1.13.8 Dual stack IPv4/IPv6 ......................................................................................................................... 48

Brand	Ublox
Model	SARA-G450 Series
Category	GSM/GPRS Modules
Language	English

Ublox SARA-G450 Series User Manual

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Ublox SARA-G450 Series Specifications