Telit Wireless Solutions WE866E4-P Manuale di installazione
WE866E4-P AT Command Reference Guide
80572ST10887A Rev. 1.2 1 2018-07-27
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WE866E4-P Module
Hardware User Guide
1VV0301487 Rev. 1.2 - 2018-07-27
PRELIMINARY
SPECIFICATIONS ARE 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 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 pro-
grams, including the exclusive right to copy or reproduce in any form the copyrighted com-
puter 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 cop-
ied (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.
PRELIMINARY
USAGE AND DISCLOSURE RESTRICTIONS
I. 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.
II. 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
III. 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.
IV. 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.
V. Third Party Rights
The software may include Third Party Right software. In this case you agree to comply with all
terms and conditions imposed on you in respect of such separate software. In addition to
Third Party Terms, the disclaimer of warranty and limitation of liability provisions in this
License shall apply to the Third Party Right software.
TELIT HEREBY DISCLAIMS ANY AND ALL WARRANTIES EXPRESS OR IMPLIED FROM
ANY THIRD PARTIES REGARDING ANY SEPARATE FILES, ANY THIRD PARTY
MATERIALS INCLUDED IN THE SOFTWARE, ANY THIRD PARTY MATERIALS FROM
WHICH THE SOFTWARE IS DERIVED (COLLECTIVELY “OTHER CODE”), AND THE USE
OF ANY OR ALL THE OTHER CODE IN CONNECTION WITH THE SOFTWARE,
INCLUDING (WITHOUT LIMITATION) ANY WARRANTIES OF SATISFACTORY QUALITY
OR FITNESS FOR A PARTICULAR PURPOSE.
NO THIRD PARTY LICENSORS OF OTHER CODE SHALL HAVE ANY LIABILITY FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED
AND WHETHER MADE UNDER CONTRACT, TORT OR OTHER LEGAL THEORY,
ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE OTHER CODE OR
THE EXERCISE OF ANY RIGHTS GRANTED UNDER EITHER OR BOTH THIS LICENSE
AND THE LEGAL TERMS APPLICABLE TO ANY SEPARATE FILES, EVEN IF ADVISED
OF THE POSSIBILITY OF SUCH DAMAGES.
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Contents
Chapter 1 Introduction ....................................................................................................................... 7
1.1 Scope ......................................................................................................................................7
1.2 Audience ..................................................................................................................................7
1.3 Contact Information, Support ...................................................................................................7
1.4 Text Convention ......................................................................................................................8
1.5 Related Documents .................................................................................................................8
1.5.1 Related Documents and Download ................................................................................8
1.5.2 Related Documents requiring a Non Disclosure Agreement ..........................................9
Chapter 2 Overview ......................................................................................................................... 11
Chapter 3 Pin Allocation .................................................................................................................. 13
3.1 Pins Out .................................................................................................................................13
3.2 A Pad Layout .........................................................................................................................16
Chapter 4 Power Supply .................................................................................................................. 17
4.1 Power Supply Requirements .................................................................................................17
4.2 Power Consumption ..............................................................................................................17
4.3 General Design Rules ...........................................................................................................18
Chapter 5 Digital Section ................................................................................................................. 19
5.1 Logic Levels ...........................................................................................................................19
5.2 Power Up/Down Sequence ...................................................................................................20
5.3 Power ON Reset Time ...........................................................................................................20
5.4 Unconditional Shutdown ........................................................................................................20
5.5 Communication Ports ............................................................................................................21
5.5.1 High Speed UART ........................................................................................................21
5.5.2 Low Speed UART ........................................................................................................21
5.5.3 SDIO ............................................................................................................................22
5.5.4 SPI ...............................................................................................................................22
5.5.5 I2C ................................................................................................................................22
5.5.6 USB ..............................................................................................................................22
5.6 General Purpose Input/Output ...............................................................................................22
5.6.1 ADC Converter .............................................................................................................22
Chapter 6 RF Section ...................................................................................................................... 23
6.1 RF Variants ............................................................................................................................23
6.1.1 Wi-Fi .............................................................................................................................23
6.1.2 Bluetooth ......................................................................................................................23
6.2 TX Output Power ...................................................................................................................24
6.2.1 Wi-Fi .............................................................................................................................24
6.2.1.1 For 2.4GHz ..........................................................................................................24
6.2.1.2 For 5GHz .............................................................................................................25
6.2.2 Bluetooth ......................................................................................................................26
6.3 RX Sensitivity ........................................................................................................................26
6.3.1 Wi-Fi .............................................................................................................................26
6.3.1.1 For 2.4GHz ..........................................................................................................26
6.3.1.2 For 5GHz .............................................................................................................26
6.3.2 Bluetooth ......................................................................................................................27
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6.4 Wi-Fi Antenna Requirements ................................................................................................27
6.4.1 PCB Design Guidelines ................................................................................................28
6.4.2 PCB Guidelines in case of FCC Certification ...............................................................29
6.5 BlueTooth Antenna Requirements ........................................................................................29
6.5.1 PCB Design Guidelines ................................................................................................29
6.5.2 PCB Guidelines in case of FCC Certification ...............................................................29
Chapter 7 Audio Section .................................................................................................................. 31
7.1 Electrical Characteristics .......................................................................................................31
7.2 Codec Examples ...................................................................................................................31
Chapter 8 Mechanical Design .......................................................................................................... 33
8.1 Drawing .................................................................................................................................33
Chapter 9 Application PCB Design. ................................................................................................. 35
9.1 Footprint ................................................................................................................................35
9.2 PCB Pad Design ....................................................................................................................37
9.3 PCB Pad Dimension ..............................................................................................................38
9.3.1 Recommendations for PCB Pad Surface .....................................................................39
9.4 Stencil ....................................................................................................................................39
9.5 Solder Paste ..........................................................................................................................39
9.6 Solder Re-flow .......................................................................................................................39
Chapter 10 Packaging ..................................................................................................................... 43
10.1 Tray .....................................................................................................................................43
10.2 Reel .....................................................................................................................................44
10.3 Moisture Sensitivity ..............................................................................................................46
Chapter 11 Conformity Assessment Issue ...................................................................................... 47
11.1 FCC/IC Regulatory Notice ...................................................................................................47
Chapter 12 Safety Recommendation ............................................................................................... 49
12.1 Read Carefully .....................................................................................................................49
Chapter 13 Acronyms ...................................................................................................................... 51
Document History 53
WE866E4-P Module Hardware User Guide
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Chapter 1 Introduction
• Scope, page 7
• Audience, page 7
• Contact Information, Support, page 7
• Text Convention, page 8
• Related Documents, page 8
1.1 Scope
The aim of this document is to describe the hardware solutions useful for developing a
product with Telit WE866E4-P module.
1.2 Audience
This document is intended for Telit customers, who are integrators, about to implement
their applications using our WE866E4-P modules.
1.3 Contact Information, Support
For general contact, technical support services, technical questions and report
documentation errors contact Telit Technical Support at:
Alternatively, use:
http://www.telit.com/support
For detailed information about where you can buy the Telit modules or for
recommendations on accessories and components visit:
http://www.telit.com
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 of our information.
WE866E4-P Module Hardware User Guide
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1.4 Text Convention
The following table shows the symbol conventions used in this manual for notification and
important instructions.
All dates are in ISO 8601 format, i.e. YYYY-MM-DD
1.5 Related Documents
Please refer to http://www.telit.com/gnss/ for current documentation and downloads.
1.5.1 Related Documents and Download
– Datasheets
– Product User Guides
– EVK User Guides
– Software User Guides
– Application Notes
– TelitView installation and documentation
Table 1 Symbol Conventions
Icon Type Description
Note
Provides helpful suggestions needed in understanding
a feature or references to material not available in the
manual.
Alert Alerts you of potential damage to a program, device,
or system or the loss of data or service.
Caution Cautions you about a situation that could result in
minor or moderate bodily injury if not avoided.
Warning Warns you of a potential situation that could result in
death or serious bodily injury if not avoided.
Electro-Static Discharge
(ESD)
Notifies you to take proper grounding precautions
before handling a product.
Danger
Indicates information MUST be followed or
catastrophic equipment failure or bodily injury may
occur
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1.5.2 Related Documents requiring a Non Disclosure Agreement
– Authorized Software User Guides
– Product firmware
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