Telit Wireless Solutions E922-3GR Series Manuale di installazione

xE922-3GR

Hardware User Guide

1VV0301272

Rev.0.8 - 2017-01-05

xE922-3GR Hardware User Guide

1VV0301272 Rev.0.8 2017-01-05

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APPLICABILITY TABLE

APPLICABILITY TABLE 1

PRODUCT

HE922-3GR

WE922-3GR

xE922-3GR Hardware User Guide

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SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE

Notice

While reasonable efforts have been made to assure the accuracy of this document, Telit assumes

no liability resulting from any inaccuracies or omissions in this document, or from use of the

information obtained herein. The information in this document has been carefully checked and

is believed to be entirely reliable. However, no responsibility is assumed for inaccuracies or

omissions. Telit reserves the right to make changes to any products described herein and

reserves the right to revise this document and to make changes from time to time in content

hereof with no obligation to notify any person of revisions or changes. Telit does not assume

any liability arising out of the application or use of any product, software, or circuit described

herein; neither does it convey license under its patent rights or the rights of others.

It is possible that this publication may contain references to, or information about Telit products

(machines and programs), programming, or services that are not announced in your country.

Such references or information must not be construed to mean that Telit intends to announce

such Telit products, programming, or services in your country.

Copyrights

This instruction manual and the Telit products described in this instruction manual may be,

include or describe copyrighted Telit material, such as computer programs stored in

semiconductor memories or other media. Laws in the Italy and other countries preserve for Telit

and its licensors certain exclusive rights for copyrighted material, including the exclusive right

to copy, reproduce in any form, distribute and make derivative works of the copyrighted

material. Accordingly, any copyrighted material of Telit and its licensors contained herein or

in the Telit products described in this instruction manual may not be copied, reproduced,

distributed, merged or modified in any manner without the express written permission of Telit.

Furthermore, the purchase of Telit products shall not be deemed to grant either directly or by

implication, estoppel, or otherwise, any license under the copyrights, patents or patent

applications of Telit, as arises by operation of law in the sale of a product.

Computer Software Copyrights

The Telit and 3rd Party supplied Software (SW) products described in this instruction manual

may include copyrighted Telit and other 3rd Party supplied computer programs stored in

semiconductor memories or other media. Laws in the Italy and other countries preserve for Telit

and other 3rd Party supplied SW certain exclusive rights for copyrighted computer programs,

including the exclusive right to copy or reproduce in any form the copyrighted computer

program. Accordingly, any copyrighted Telit or other 3rd Party supplied SW computer

programs contained in the Telit products described in this instruction manual may not be copied

(reverse engineered) or reproduced in any manner without the express written permission of

Telit or the 3rd Party SW supplier. Furthermore, the purchase of Telit products shall not be

deemed to grant either directly or by implication, estoppel, or otherwise, any license under the

copyrights, patents or patent applications of Telit or other 3rd Party supplied SW, except for

the normal non-exclusive, royalty free license to use that arises by operation of law in the sale

of a product.

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Usage and Disclosure Restrictions

License Agreements

The software described in this document is the property of Telit and its licensors. It is furnished

by express license agreement only and may be used only in accordance with the terms of such

an agreement.

Copyrighted Materials

Software and documentation are copyrighted materials. Making unauthorized copies is

prohibited by law. No part of the software or documentation may be reproduced, transmitted,

transcribed, stored in a retrieval system, or translated into any language or computer language,

in any form or by any means, without prior written permission of Telit

High Risk Materials

Components, units, or third-party products used in the product described herein are NOT fault-

tolerant and are NOT designed, manufactured, or intended for use as on-line control equipment

in the following hazardous environments requiring fail-safe controls: the operation of Nuclear

Facilities, Aircraft Navigation or Aircraft Communication Systems, Air Traffic Control, Life

Support, or Weapons Systems (“High Risk Activities"). Telit and its supplier(s) specifically

disclaim any expressed or implied warranty of fitness for such High Risk Activities.

Trademarks

TELIT and the Stylized T Logo are registered in Trademark Office. All other product or service

names are the property of their respective owners.

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Contents

1. Introduction ..................................................... 9

1.1. Scope ....................................................... 9

1.2. Audience ..................................................... 9

1.3. Contact Information, Support ....................................... 10

1.4. Text Conventions............................................... 10

1.5. Supporting documents ........................................... 11

1.6. Product Variants ............................................... 11

1.7. Abbreviations ................................................. 11

2. General Product Description ......................................... 13

2.1. Overview .................................................... 13

2.2. General Functionality and Main Features ............................... 15

2.3. Reference table of RF bands characteristics ............................. 19

2.3.1. Cellular network: ................................................. 19

2.3.2. WiFi/Bluetooth .................................................. 20

2.3.3. GNSS ........................................................ 20

2.4. Applications .................................................. 20

2.5. Sensitivity ................................................... 21

2.6. High level block Diagram ......................................... 22

2.7. Environmental requirements ....................................... 23

2.7.1. Temperature range ................................................ 23

2.8. xE922-3GR Mechanical Specifications ................................ 24

2.8.1. Dimensions..................................................... 24

2.8.2. Weight........................................................ 24

2.8.3. RoHS compliance ................................................ 24

3. xE922-3GR Module pin out .......................................... 25

3.1. PIN table .................................................... 25

3.2. LGA Pads Layout .............................................. 37

4. Electrical specifications............................................. 39

4.1. Absolute maximum ratings –not operational............................. 39

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4.2. Recommended operating conditions .................................. 39

4.3. Logic Level Specifications ........................................ 39

5. Power supply .................................................... 41

5.1. Input supply .................................................. 41

5.2. Output supply ................................................. 42

5.2.1. Linear voltage regulators .................................. 42

5.2.1.1. VAUX_1P8V ............................................... 42

5.2.1.2. VAUX_2P85V .............................................. 43

5.2.1.3. VAUX_3P0V ............................................... 43

5.2.1.4. VSIM1/2 ................................................. 44

5.2.2. DC/DC stepdown................................................. 44

5.2.2.1. 1V8_OUT ................................................. 44

5.3. Typical system power consumption................................... 45

5.4. RTC backup .................................................. 47

6. Power ON/OFF and reset control ...................................... 49

6.1. Power On.................................................... 49

6.1.1. ON_OFF key action ............................................... 49

6.1.2. Switching ON due to charging ........................................ 50

6.1.3. Switching on due to RTC alarm ....................................... 50

6.2. Power off .................................................... 50

6.2.1. Soft power off ................................................... 50

6.2.2. Emergency power off .............................................. 50

6.3. Reset....................................................... 50

7. Battery management .............................................. 51

7.1. Coulomb counter ............................................... 51

7.2. Battery charging ............................................... 52

7.2.1. Block diagram................................................... 52

7.2.2. Battery/charger-less operation ........................................ 54

8. USIM interface .................................................. 55

9. USB port....................................................... 57

10. Display interface ................................................ 60

10.1. MIPI-DSI .................................................. 60

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10.2. LVDS..................................................... 62

10.3. Backlight control ............................................. 64

10.4. LED_CURSINK ............................................. 65

10.5. Touch panel................................................. 66

11. Camera interface ............................................... 67

12. Peripheral interfaces ............................................. 71

12.1. I2C ...................................................... 71

12.2. USIF ..................................................... 72

12.3. SDMMC/SDIO .............................................. 74

12.4. ADC ..................................................... 77

13. General purpose I/O ............................................. 78

14. Debug / flash interfaces ........................................... 81

14.1. USB2.0 HS ................................................. 81

14.2. USIF2 .................................................... 81

14.3. JTAG ..................................................... 81

14.4. Test pads................................................... 81

15. Audio........................................................ 82

15.1. Analog .................................................... 82

15.1.1. Analog IN...................................................... 83

15.1.2. Analog OUT .................................................... 86

15.1.2.1. Earpiece ................................................. 87

15.1.2.2. Headset.................................................. 87

15.1.2.3. Loudspeaker .............................................. 88

15.2. Digital .................................................... 90

15.2.1. I2S .......................................................... 90

15.2.2. Digital microphone................................................ 90

16. Antenna(s) .................................................... 91

16.1. GSM/WCDMA Antenna Requirements ............................. 91

16.1.1. GSM/WCDMA Antenna –PCB line Guidelines............................. 92

16.1.2. GSM/WCDMA Antenna –Installation Guidelines ........................... 92

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16.2. WiFi/BT Antenna Requirements ................................... 93

16.3. GNSS Antenna Requirements.................................... 93

16.3.1. Combined GNSS Antenna .......................................... 94

16.3.2. Linear and Patch GNSS Antenna ..................................... 94

16.3.3. Front End Design Considerations ..................................... 94

16.3.4. GNSS Antenna - PCB Line Guidelines ................................. 95

16.3.5. GNSS Antenna –Installation Guidelines ................................ 95

17. Mounting the module on your board .................................. 96

17.1. General.................................................... 96

17.2. Finishing & Dimensions ........................................ 96

17.3. Recommended foot print for the application main board.................... 97

17.4. Stencil .................................................... 98

17.5. PCB Pad Design.............................................. 98

17.6. Recommendations for PCB Pad Dimensions (mm) ....................... 99

17.7. Solder Paste................................................ 100

17.7.1. Solder Reflow .................................................. 100

18. Packing system ................................................ 102

18.1. Tray Drawing .............................................. 104

18.2. Moisture Sensitivity .......................................... 105

19. Safety Recommendations ......................................... 106

20. Conformity assessment issues ...................................... 107

20.1. FCC/IC Regulatory notices...................................... 107

20.1.1. Modification statement ............................................ 107

20.1.2. Interference statement ............................................. 107

20.1.3. RF exposure ................................................... 107

20.1.4. FCC Class B digital device notice ..................................... 108

20.1.5. Labelling Requirements for the Host device .............................. 108

20.2. 1999/5/EC Directive .......................................... 109

21. Document History .............................................. 112

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1. Introduction

1.1. Scope

The aim of this document is to introduce Telit xE922-3GR modules as well as present possible

and recommended hardware solutions useful for developing a product based on the xE922-3GR

modules. All the features and solutions detailed are applicable to all xE922-3GR, where

“xE922-3GR” refers to the modules listed in the applicability table.

If a specific feature is applicable to a specific product, it will be clearly highlighted.

NOTICE:

The description text “xE922-3GR” refers to all modules listed in the APPLICABILITY TABLE 1.

In this document all the basic functions of a wireless module will be taken into account; for

each one of them a valid hardware solution will be suggested and usually incorrect solutions

and common errors to be avoided will be highlighted. Obviously this document cannot embrace

every hardware solution or every product that may be designed. Obviously avoiding invalid

solutions must be considered as mandatory. Whereas the suggested hardware configurations

need not be considered mandatory, the information given should be used as a guide and a

starting point for properly developing your product with the Telit xE922-3GR module.

NOTICE:

The integration of the GSM/GPRS/EGPRS/WCDMA/HSPA+/WiFi/BT/GNSS xE922-3GR

cellular module within user application must be done according to the design rules described in

this manual.

The information presented in this document is believed to be accurate and reliable. However,

no responsibility is assumed by Telit Communication S.p.A. for its use, such as any

infringement of patents or other rights of third parties which may result from its use. No

license is granted by implication or otherwise under any patent rights of Telit Communication

S.p.A. other than for circuitry embodied in Telit products. This document is subject to change

without notice.

1.2. Audience

This document is intended for Telit customers, especially system integrators, about to

implement their applications using the Telit xE922-3GR module.

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1.3. Contact Information, Support

For general contact, technical support, to report documentation errors and to order manuals,

contact Telit’s Technical Support Center (TTSC) at:

TS-NORTHAMERICA@telit.com if located in North America

For other regions, Collabnet Telit web portal can be used at https://teamforge.telit.com (account

can be asked at [email protected]

Alternatively, use:

http://www.telit.com/en/products/technical-support-center/contact.php

For detailed information about where you can buy the Telit modules or for recommendations

on accessories and components visit:

http://www.telit.com

To register for product news and announcements or for product questions contact Telit’s

Technical Support Center (TTSC).

Our aim is to make this guide as helpful as possible. Keep us informed of your comments and

suggestions for improvements.

Telit appreciates feedback from the users about the information provided.

1.4. Text Conventions

Danger –This information MUST be followed or catastrophic equipment failure or bodily

injury may occur.

Caution or Warning –Alerts the user to important points about integrating the module, if

these points are not followed, the module and end user equipment may fail or malfunction.

Tip or Information –Provides advice and suggestions that may be useful when integrating

the module.

All dates are in ISO 8601 format, i.e. YYYY-MM-DD.

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