Telit Wireless Solutions DE910 Series Installation manual

DE910 Series Hardware User
Guide
1vv0300951 Rev.9 – 2015-05-11

DE910 Series Hardware User Guide
1vv0300951 Rev.9 – 2015-05-11
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
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APPLICABILITY TABLE
PRODUCT
DE910
-
DUAL
DE910
-
SC

DE910 Series 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.

DE910 Series Hardware User Guide
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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.
Copyright © Telit Communications S.p.A. 2013.

DE910 Series Hardware User Guide
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Contents
1. Introduction ................................................. 8
1.1. Scope ..................................................... 8
1.2. Audience .................................................. 8
1.3. Contact Information, Support .............................. 8
1.4. Document Organization ..................................... 9
1.5. Text Conventions ......................................... 10
1.6. Related Documents ........................................ 10
2. General Product Description ................................. 11
2.1. Overview ................................................. 11
2.2. Product Specifications ................................... 12
2.3. RoHS Compliance .......................................... 13
3. DE910 Module Connections .................................... 14
3.1. Pin-Out .................................................. 14
3.1.1. LGA Pads Layout (DE910-DUAL) ............................... 19
3.1.2. LGA Pads Layout (DE910-SC) ................................. 20
4. Hardware Commands ........................................... 21
4.1. Turning on the DE910 module .............................. 21
4.1.1. Initialization and Activation State ........................ 21
4.2. Turning off the DE910 module ............................. 23
4.2.1. Shutdown by Software Command ............................... 24
4.2.2. Hardware Shutdown .......................................... 24
4.3. Hardware Reset ........................................... 25
4.3.1. Hardware Unconditional Shutdown ............................ 25
4.4. Summary of Turning ON and OFF the Module ................. 26
5. Power Supply ................................................ 27
5.1. Power Supply Requirements ................................ 27
5.2. General Design Rules ..................................... 29
5.2.1. Electrical Design Guidelines ............................... 29
5.2.2. + 5V Input Source Power Supply Design Guidelines ........... 29
5.2.3. +12V Input Source Power Supply Design Guidelines ........... 30
5.2.4. Battery Source Power Supply Design Guidelines .............. 31
5.2.5. Thermal Design Guidelines .................................. 31

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5.2.6. Power Supply PCB layout Guidelines ......................... 32
6. Antenna ..................................................... 35
6.1. CDMA Antenna Requirements ................................ 35
6.1.1. CDMA antenna – PCB line Guidelines ......................... 36
6.1.2. PCB Guidelines in case of FCC certification ................ 37
6.1.3. CDMA Antenna – Installation Guidelines ..................... 39
6.2. Antenna Diversity Requirements ........................... 40
6.3. GNSS Antenna Requirements ................................ 41
6.3.1. Combined GNSS Antenna ...................................... 41
6.3.2. Linear and Patch GNSS Antenna .............................. 41
6.3.3. The Design Considerations to enhanced GNSS performance ..... 41
6.3.4. GNSS Antenna – PCB Line Guidelines ......................... 44
6.3.5. GNSS Antenna – Installation Guidelines ..................... 44
7. USB Port .................................................... 45
8. Serial Port ................................................. 46
8.1. Modem Serial Port 1 ...................................... 47
8.2. Modem Serial Port 2 ...................................... 48
8.3. RS232 Level Translation .................................. 48
9. Audio Section Overview ...................................... 51
9.1. Electrical Characteristics ............................... 51
9.1.1. CODEC Example .............................................. 51
10. General Purpose I/O ......................................... 52
10.1. Logic Level Specification .............................. 53
10.2. Using a GPIO Pad as Input .............................. 53
10.3. Using a GPIO Pad as Output ............................. 54
10.4. Using the Temperature Monitor Function ................. 54
10.4.1. Short Description ........................................ 54
10.5. Indication of Network Service Availability ............. 55
10.6. RTC Bypass Output ...................................... 56
10.7. VAUX/PWRMON Power Output ............................... 57
11. DAC and ADC section ......................................... 58
11.1. DAC Converter .......................................... 58
11.1.1. Description .............................................. 58

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11.1.2. Enabling DAC ............................................. 58
11.1.3. Low Pass Filter Example .................................. 59
11.2. ADC Converter .......................................... 59
11.2.1. Description .............................................. 59
11.2.2. Using ADC Converter ...................................... 59
12. Test Point .................................................. 60
13. Mounting the Module on your Board ........................... 61
13.1. General ................................................ 61
13.2. Module Finishing & Dimensions .......................... 61
13.3. Recommended foot print for the application ............. 62
13.4. Stencil ................................................ 63
13.5. PCB Pad Design ......................................... 63
13.6. Recommendations for PCB Pad Dimensions (mm) ............ 63
13.7. Solder Paste ........................................... 65
13.7.1. Solder Reflow ............................................ 65
14. Packing System .............................................. 67
14.1. Tray ................................................... 67
14.2. Reel ................................................... 69
14.2.1. Carrier Tape Detail ...................................... 69
14.2.2. Reel Detail .............................................. 70
14.2.3. Packaging Detail ......................................... 70
14.3. Moisture Sensibility ................................... 71
15. Application Design Guide .................................... 72
15.1. Download and Debug Port ................................ 72
16. Conformity Assessment Issues (Problèmes d'évaluation de
conformité)...................................................... 73
17. Safety Recommendations ...................................... 76
18. Document History ............................................ 77

DE910 Series Hardware User Guide
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1. Introduction
1.1. Scope
The aim of this document is the description of typical hardware solutions useful for
developing a product with the Telit DE910 module.
1.2. Audience
This document is intended for Telit customers who are about to implement their applications
using our DE910 modules.
1.3. Contact Information, Support
For general contact, technical support, to report documentation errors and to order manuals,
contact Telit Technical Support Center (TTSC) at:
[e-mail]
[e-mail]
[e-mail]
TS-A[email protected]
Alternatively, use:
http://www.telit.com/en/products/technical-support-center/contact.php
For detailed information about where to 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
Technical Support Center (TTSC).
Our aim is to make this guide as helpful as possible. Please keep us informed of comments
and suggestions for improvements.
Telit appreciates feedback from the users of our information.

DE910 Series Hardware User Guide
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1.4. Document Organization
This document contains the following chapters:
Chapter 1: “Introduction” provides a scope for this document, target audience, contact and
support information, and text conventions.
Chapter 2: “General Product Description” gives an overview of the features of the product.
Chapter 3: “DE910 Module Connections” deals with the pin out configuration and layout.
Chapter 4: “Hardware Commands” How to operate the module via hardware.
Chapter 5: “Power supply” Power supply requirements and general design rules.
Chapter 6: “Antenna” The antenna connection and board layout design are the most important
parts in the full product design.
Chapter 7: “USB Port” The USB port on the Telit DE910 is the core of the interface between
the module and OEM hardware.
Chapter 8: “Serial ports” Refers to the serial ports of the Telit DE910.
Chapter 9: “Audio Section overview” Refers to the audio blocks of the Base Band Chip of the
DE910 Telit Module.
Chapter 10: “General Purpose I/O” How the general purpose I/O pads can be configured.
Chapter 11: “DAC and ADC section” Deals with these two kinds of converters.
Chapter 12: “Test Pont” Deals with Test Point.
Chapter 13: “Mounting the DE910 on the application board” Mechanical dimensions and
recommendations on how to mount the module on the user’s board.
Chapter 14: “Packing System” Deals with packing system.
Chapter 15: “Application Design Guide” Deals with the design of host system for download
or upgrade.
Chapter 16: “Conformity Assessment Issues” provides some fundamental hints about the
conformity assessment that the final application might need.
Chapter 17: “Safety Recommendation” provides some safety recommendations that must be
followed by the customer in the design of the application that makes use of the Telit DE910.

DE910 Series Hardware User Guide
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1.5. 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.
1.6. Related Documents
 Digital Voice Interface Application Note, 80000NT10061A
 Product Description, 80392ST10096A
 Telit EVK2 User Guide, 1vv0300704