Telit Wireless Solutions WL865E4-P Manuale utente

[01.2017]

Mod. 0805 2017-01 Rev.6

WL865E4-P

HW User Guide

1VV0301580 Rev. 4 –2019-08-08

WL865E4-P Module Hardware User Guide

1VV0301580 Rev. 4 Page 2of 56 2019-08-08

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 obligationto 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

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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APPLICABILITY TABLE (REMOVE UNUSED)

PRODUCTS

WL865E4-P

WL865E4-P Module Hardware User Guide 
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Contents 
NOTICE 2 
COPYRIGHTS................................................................................................ 2 
COMPUTER SOFTWARE COPYRIGHTS...................................................... 2 
USAGE AND DISCLOSURE RESTRICTIONS............................................... 3 
I. License Agreements..................................................................... 3 
II. Copyrighted Materials................................................................... 3 
III. High Risk Materials....................................................................... 3 
IV. Trademarks .................................................................................. 3 
V. Third Party Rights......................................................................... 3 
APPLICABILITY TABLE (REMOVE UNUSED) ............................................. 4 
CONTENTS.................................................................................................... 5 
1. INTRODUCTION.......................................................................... 8 
 Scope........................................................................................... 8 
 Audience....................................................................................... 8 
 Contact Information, Support........................................................ 8 
 Text Conventions.......................................................................... 9 
 Related Documents.................................................................... 10 
2. OVERVIEW................................................................................ 11 
3. PINS ALLOCATION................................................................... 13 
 Pin-out Table.............................................................................. 13 
 Pads Layout................................................................................ 17 
4. POWER SUPPLY....................................................................... 18 
 Power Supply Requirements....................................................... 18 
 General Design Rules................................................................. 20 
5. DIGITAL SECTION .................................................................... 21 
 Logic Levels................................................................................ 21 
 Power Up/Down Sequence......................................................... 22 
5.2.1. Power-on reset timing................................................................. 22 
 Unconditional Shutdown............................................................. 22 
 Periferals Interface Summary...................................................... 23 

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 Communication ports.................................................................. 24 
5.5.1. High Speed UART...................................................................... 24 
5.5.2. Low Speed UART....................................................................... 24 
5.5.3. SDIO........................................................................................... 25 
5.5.4. SPI.............................................................................................. 25 
5.5.5. I2C.............................................................................................. 25 
5.5.6. USB............................................................................................ 25 
 General purpose I/O................................................................... 25 
 ADC Converter ........................................................................... 27 
 General Digital Interface Recommendations............................... 27 
6. RF SECTION.............................................................................. 29 
 Bands Variants........................................................................... 29 
6.1.1. WIFI............................................................................................ 29 
6.1.2. BlueTooth................................................................................... 29 
 TX Output power......................................................................... 30 
6.2.1. WIFI............................................................................................ 30 
6.2.1.1. 2.4GHz....................................................................................... 30 
6.2.1.2. 5GHz.......................................................................................... 31 
6.2.2. BlueTooth................................................................................... 31 
 RX Sensitivity ............................................................................. 32 
6.3.1. WIFI............................................................................................ 32 
6.3.1.1. 2.4GHz....................................................................................... 32 
6.3.1.2. 5GHz.......................................................................................... 33 
6.3.2. BlueTooth................................................................................... 33 
 WIFI Antenna requirements........................................................ 34 
 BlueTooth Antenna requirements ............................................... 34 
 PCB Antenna Design Guidelines ................................................ 34 
 PCB Design Guidelines .............................................................. 34 
6.7.1. PCB General Guidelines............................................................. 34 
6.7.2. RF PCB Guidelines..................................................................... 36 
7. AUDIO SECTION....................................................................... 39 
 Electrical Characteristics............................................................. 39 
8. MECHANICAL DESIGN............................................................. 40 
 Drawing ...................................................................................... 40 
9. APPLICATION PCB DESIGN .................................................... 42 

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 Footprint..................................................................................... 42 
 PCB pad design.......................................................................... 42 
 PCB pad dimensions.................................................................. 43 
 Stencil......................................................................................... 43 
 Solder paste ............................................................................... 43 
 Solder Reflow............................................................................. 44 
10. PACKAGING.............................................................................. 46 
 Tray............................................................................................ 46 
 Moisture sensitivity ..................................................................... 47 
11. CONFORMITY ASSESSMENT ISSUES .................................... 48 
 FCC/IC Regulatory notices ......................................................... 48 
12. FCC/IC COMPLIANCE............................................................... 49 
13. SAFETY RECOMMENDATIONS................................................ 52 
 READ CAREFULLY.................................................................... 52 
14. ACRONYMS............................................................................... 53 
15. DOCUMENT HISTORY.............................................................. 55 
 
 

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1. INTRODUCTION

Scope

The aim of this document is the description of some hardware solutions useful for

developing a product with the Telit WL865E4-P module.

Audience

This document is intended for Telit customers, who are integrators, about to implement their

applications using our WL865E4-P modules.

Contact Information, Support

For general contact, technical support services, technical questions and report

documentation errors contact Telit Technical Support at:

•TS[email protected]

•TS-AMERICAS@telit.com

•TS-APAC@telit.com

•TS-SRD@telit.com

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.

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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, ifthese 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. 2019-01-08.

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