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GS2101M
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Telit Wireless Solutions GS2101M User Manual

GS2101M Low Power Wi-Fi Module
HW User Guide
1VV0301395 Rev 3.0 – 2017-11-13
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NOTICES LIMITATION OF LIABILITY
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 the 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.
Telit assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of Telit products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Telit products are not authorized for use as critical components in medical, lifesaving, or life-sustaining applications.

COPYRIGHT

This Telit manual and contents are owned by Telit and/or its licensors and protected by U.S. and international copyright laws, conventions, and treaties. Your right to use this manual is subject to limitations and restrictions imposed by applicable licenses and copyright laws. Unauthorized reproduction, modification, distribution, display or other use of this manual may result in criminal and civil penalties.
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 Italy and other countries preserve for Telit and its licensors certain exclusive rights to copyright 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.
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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 fault­tolerant 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, Telit and stylized Logos are registered Trademarks. 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.
www.Telit.com
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CONTENTS

NOTICES… ...................................................................................................... 2
LIMITATION OF LIABILITY ............................................................................. 2
COPYRIGHT ..................................................................................................... 2
USAGE AND DISCLOSURE RESTRICTIONS ................................................ 3
CONTENTS ...................................................................................................... 4
About This Manual ............................................................................................ 8
1. GS2101M OVERVIEW ................................................................. 17
Product Overview ......................................................................... 17
GS2101M Module Product Features ............................................ 17
2. GS2101M ARCHITECTURE ........................................................ 20
Architecture Description ............................................................... 20
2.1.1. Wireless LAN and System Control Subsystem ............................. 22
2.1.2. On-board Antenna / RF Port / Radio ............................................ 22
2.1.2.1. 802.11 MAC .................................................................................. 22
2.1.2.2. 802.11 PHY ................................................................................... 23
2.1.2.3. RF/Analog .................................................................................... 23
2.1.3. Network Services Subsystem ....................................................... 24
2.1.3.1. APP CPU ...................................................................................... 24
2.1.3.2. Crypto Engine ............................................................................... 24
2.1.4. Memory Subsystem ...................................................................... 24
2.1.4.1. SRAM ........................................................................................... 24
2.1.4.2. ROM ............................................................................................. 24
2.1.4.3. OTP ROM ..................................................................................... 24
2.1.4.4. Flash Interface .............................................................................. 25
2.1.5. Clocks ........................................................................................... 25
2.1.6. Real Time Clock (RTC) Overview ................................................. 25
2.1.6.1. RTC Main Features ...................................................................... 25
2.1.6.2. Real Time Clock Counter .............................................................. 26
2.1.6.3. RTC I/O ........................................................................................ 26
2.1.7. GS2101M Peripherals ................................................................ .. 26
2.1.7.1. SDIO Interface .............................................................................. 26
2.1.7.2. SPI Interface ................................................................................. 27
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2.1.7.3. UART Interface ............................................................................. 27
2.1.7.4. I2C Interface ................................................................................. 27
2.1.7.5. GPIO ............................................................................................ 28
2.1.7.6. Sigma Delta ADC .......................................................................... 28
2.1.7.7. PWM ............................................................................................. 28
2.1.8. System States .............................................................................. 28
2.1.9. Power Supply ............................................................................... 30
3. PIN-OUT AND SIGNAL DESCRIPTION ...................................... 31
GS2101Mxx Device Pin-out ......................................................... 31
3.1.1. GS2101Mxx Module Pins Description .......................................... 32
3.1.2. GS2101M Pin MUX Function ....................................................... 36
3.1.3. GS2101M Program and Code Restore Options ........................... 38
4. ELECTRICAL CHARACTERISTICS ............................................ 39
Absolute Maximum Ratings .......................................................... 39
Operating Conditions .................................................................... 39
I/O DC Specifications ................................................................... 40
4.3.1. I/O Digital Specifications (Tri-State) Pin Types 4mA, 12mA, and 16mA 40
4.3.1.1. I/O Digital Specifications for VDDIO=2.7V to 3.6V ....................... 40
4.3.2. RTC I/O Specifications ................................ ................................. 41
Power Consumption ..................................................................... 42
802.11 Radio Parameters ............................................................. 43
Sigma Delta ADC Parameters ...................................................... 44
5. PACKAGE AND LAYOUT GUIDELINES .................................... 46
GS2101Mxx Recommended PCB Footprint and Dimensions ...... 46
5.1.1. Surface Mount Assembly .............................................................. 49
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FIGURE LIST
Fig. 1 GS2101M Block Diagram ..................................................................................... 21
Fig. 2 GS2101Mxx Always ON Power Supply Connection ............................................. 30
Fig. 3 GS2101Mxx Device Pin-out Diagram (Module Top View) .................................... 31
Fig. 4 GS2101MIx Module Recommended PCB Footprint (in millimeters) ..................... 46
Fig. 5 GS2101MIx Module Dimensions (in millimeters) .................................................. 47
Fig. 6 Reflow Temperature Profile .................................................................................. 49
Fig. 7 Thermocouple Locations ....................................................................................... 51
Fig. 8 Module Moisture Conditions ................................................................................. 52
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TABLE LIST
Tab. 1 Revision history ..................................................................................................... 8
Tab. 2 Document Conventions ....................................................................................... 11
Tab. 3 Documentation Lists ............................................................................................ 13
Tab. 4 GS2101Mxx Ordering Information ....................................................................... 16
Tab. 5 GS2101Mxx Module Pin Signal Description ........................................................ 32
Tab. 6 GS2101M Pin MUX Description .......................................................................... 36
Tab. 7 GS2101M Pin Program and Code Restore ......................................................... 38
Tab. 8 Absolute Maximum Ratings ................................................................................. 39
Tab. 9 Operating Conditions ........................................................................................... 39
Tab. 10 I/O Digital Parameters for VDDIO=2.7V to 3.6V ................................................ 40
Tab. 11 RTC I/O Parameters .......................................................................................... 41
Tab. 12 Power Consumption in Different States ............................................................. 42
Tab. 13 802.11 Radio Parameters - (Typical - Nominal Conditions)............................... 43
Tab. 14 ADC Parameters ................................................................................................ 44
Tab. 15 Recommended Reflow Parameters ................................................................... 49
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About This Manual

This manual describes the GS2101M Low Power module hardware specification. Refer to the following sections:
• Revision History
• Audience
• Standards
• Certifications
• Documentation Conventions
• Text Conventions
• Related Documents
• Documentation Feedback
• Contacting Telit Technical Support
• Guidelines for Packing Components for Shipment
• Accessing the Telit GainSpan Portal
• Ordering Information
Revision History
This version of the Telit GS2101M Low Power Wi-Fi Module contains the following new information listed.
Version
Date
Remarks
0
May 2016
Initial release.
1.0
July 2017
Updated 802.11 Output Power, RF Frequency Range. Table
13, Page 45.
2.0
October 2017
Updated Output Power in. Table 13, Page 45.
3.0
November 2017
Updated Data rates for 802.11n in 1GS2101M Overview
and 2.1.2.2802.11 PHY
Tab. 1 Revision history
Audience
This manual is designed to help system designers build low power, cost effective, flexible platforms to add Wi-Fi connectivity for embedded device applications using the Telit GS2101M based module.
Standards
The standards that are supported by the Telit modules are IEEE 802.11b/g/n.
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Certifications
GainSpan GS2101M Low Power Wi-Fi Module has Certification Compliance for the following:
Category
Certification
Radio Regulatory Certificates
FCC, IC, CE, TELEC.
Wi-Fi Alliance Certificates
WPS 2.0, WMM, WMM-PS, WPA and WPA2 Enterprise, WPA and WPA2 Personal.
Documentation Conventions
This manual uses the following text and syntax conventions:
– Special text fonts represent particular commands, keywords, variables, or
window sessions
– Color text indicates cross-reference hyperlinks to supplemental
information
– Command notation indicates commands, subcommands, or command
elements
Following table describes the text conventions used in this manual for software procedures that are explained using the AT command line interface.
Convention Type
Description
Command syntax
monospaced font
This monospaced font represents command strings entered on a command line and sample source code.
Proportional font description
AT XXXX
Gives specific details about a parameter.
UPPERCASE
Variable parameter
<Data> DATA
Indicates user input. Enter a value according to the descriptions that follow. Each uppercased token expands into one or more other token.
Lowercase
Keyword parameter
Indicates keywords. Enter values exactly as shown in the command description.
[ ]
Square brackets
Enclose optional parameters. Choose none; or select one or more an unlimited number of times each. Do not enter brackets as parts of any command.
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?
Question mark
Used with the square brackets to limit the immediately following token to one occurrence. [parm1 l parm2 l parm 3]
<ESC>
Escape sequence
Each escape sequence <ESC> starts with the ASCII character 27(0x1B).
This is equivalent to the Escape Key.
<CR>
Carriage return
< ESC>C
Each command is terminated by a carriage return.
<LF>
Line feed
Each command is terminated by a line feed.
<CR<LF>
Carriage return
Line feed
Each response is started with a carriage return and line feed with some exceptions.
< > Angle brackets
Enclose a numeric range, endpoints inclusive. Do not enter
angle brackets as part of any command.
<SSID>
Separates the variable from explanatory text. Is entered as part of the command.
= Equal sign
PROCESSID = <CID>
Allow the repetition of the element that immediately follows it
multiple times. Do not enter as part of the command.
.
dot (period)
AA:NN can be expanded to 1:01 1:02 1:03
IPv04-style address.
A.B.C.D
IP address
10.0.11.123
IPv6-style address.
X:X::X:X
IPv6 IP address
3ffe:506::1
Where the :: represents all 0x for those address components not
explicitly given.
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Line End -to-line input
token
Indicates user input of any string, including spaces. No other parameters may be entered after input for this token.
WORD Single token
string of words Indicates user input of any contagious string (excluding spaces). Singlewordnospaces
Tab. 2 Document Conventions
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Text Conventions
Tip or Information – Provides advice and suggestions that may be useful when integrating the module. 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.
All dates are in ISO 8601 format, i.e. YYYY-MM-DD.
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Related Documents
The Telit documentation suite listed below, includes the part number, documentation name, and a description of the document. The documents are available from the Telit GainSpan Portal. Refer to Accessing the Telit GainSpan Portal, page 15 for details.
Part Number
Document Title
Description
GS2101M_QSG_EV B_001267
GS2101M Evaluation Board Quick Start Guide
Provides an easy to follow guide on how to unpack and setup Telit GS2000 based module kit for the GS2011M and GS2100M modules.
GS2101-S2W-ADP­CMD-RG-001208
Telit Serial-to-Wi-Fi Adapter Application Programmer Reference Guide
Provides a complete listing of AT serial commands, including configuration examples for initiating, maintaining, and evaluating Telit Wi-Fi GS2101M series modules.
GS2K_S2W_USE_C ASE_RG_000010
S2W Use Cases
Example AT Command Sequences for common use cases.
GS2xxxM Customer Hardware Design Guidelines
GS2xxxM Customer Hardware Design Guidelines
Hardware Design Guide for GS2000 modules.
GS2101MxxS-DS­001214
Telit GS2101MxxS Low Power Wi-Fi Module Data Sheet
Provides information to help Wi-Fi system designers to build systems using Telit GS2101MxxS module and develop wireless applications.
GS2011MxxS-DS­001214
Telit GS2011MxxS Low Power Wi-Fi Module Data Sheet
Provides information to help Wi-Fi system designers to build systems using Telit GS2011MxxS module and develop wireless applications.
GS2101M-DS­001270
Provides information to help Wi-Fi system designers to build systems using Telit GS2101M module and develop wireless applications.
GS2K-IP2WIFI-APP­PRG-RG-001247
Telit GS2000 Based Module IP-to-Wi-Fi Adapter Application Programmer Reference Guide
Provides a complete listing of AT serial commands, including configuration examples for initiating, maintaining, and evaluation Telit IP-to-Wi-Fi GS2000 based modules.
Tab. 3 Documentation Lists
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Documentation Feedback
We encourage you to provide feedback, comments, and suggestions so that we can improve the documentation. You can send your comments by logging into Telit Support Portal. If you are using e-mail, be sure to include the following information with your comments:
– Document name – URL or page number – Hardware release version (if applicable) – Software release version (if applicable)
Contacting Telit Technical Support
For general contact, technical support services, technical questions and to report documentation errors contact Telit Technical Support at:
TS-SRD@telit.com
We recommend adding “Wi-Fi” in subject of the email. For example, the subject of email can be “Wi-Fi: Your actual issue or question in brief” like “Wi-Fi: SPI Driver Issue”.
Also, in description of your email, please provide details about the issue, product and module including software firmware version, module version and type, application being used, customizations done to application, use case, issue frequency, and ability to recreate it among other things wherever applicable. Alternatively, for more Technical Support information or assistance, perform the following steps:
1. Visit http://www.telit.com, go to Products> Wi-Fi and Blue-tooth, then scroll down to
the Telit Wi- Fi Portal.
2. Click Access the Portal Here icon which will direct you to the GainSpan portal
http://www.gainspan/secure/login.com
1. Log in with your customer Email and Password.
2. Select the Location.
3. Select Q&A tab.
4. Select Ask a New Question.
5. Enter your technical support question, product information, and a brief description.
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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Returning Products to Telit
If a problem cannot be resolved by Telit technical support, a Return Material Authorization (RMA) is issued. This number is used to track the returned material at the factory and to return repaired or new components to the customer as needed.
NOTE: Do not return any components to Telit unless you have first obtained an RMA number. Telit reserves the right to refuse shipments that do not have an RMA. Refused shipments will be returned to the customer by collecting freight.
To return a hardware component:
1. Determine the part number and serial number of the component.
2. Obtain an RMA number from Sales/Distributor Representative.
3. Provide the following information in an e-mail or during the telephone call:
– Part number and serial number of component – Your name, organization name, telephone number, and fax number – Description of the failure
4. The support representative validates your request and issues an RMA number for return of the components.
5. Pack the component for shipment.
Guidelines for Packing Components for Shipment
To pack and ship individual components:
– When you return components, make sure they are adequately protected
with packing materials and packed so that the pieces are prevented from moving around inside the carton.
– Use the original shipping materials if they are available. – Place individual components in electrostatic bags.
Write the RMA number on the exterior of the box to ensure proper tracking.
CAUTION!
Do not stack any of the components.
Accessing the Telit GainSpan Portal
To find the latest version of Telit documentation supporting the Telit product release you are interested in, you can search the Telit GainSpan Portal website by performing the following steps:
NOTICE: You must first contact Telit to set up an account, and obtain a customer
user name and password before you can access the Telit GainSpan Portal.
`
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1. Visit http://www.telit.com. and select “GainSpan Modules” which will direct to the GainSpan portal http://www.gainspan.com.
2. Log in using your customer Email and Password.
3. Click the Getting Started tab to view a Quick Start tutorial on how to use various features within the Telit GainSpan Portal.
4. Click the Actions tab to buy, evaluate, or download Telit products.
5. Click on the Documents tab to search, download, and print Telit product documentation.
6. Click the Software tab to search and download the latest software versions.
7. Click the Account History tab to view customer account history.
8. Click the Legal Documents tab to view Telit Non-Disclosure Agreement (NDA).
Ordering Information
To order Telit’s GS2101Mxx low power module contact a Telit Sales/Distributor Representative. Following table lists the Telit device information.
Device Description
Ordering Number
Revision
Low power module with on-board PCB antenna
GS2101MIP
1.0
Low power module with external antenna
GS2101MIE
1.0
Tab. 4 GS2101Mxx Ordering Information
NOTICE : Modules ship with test code ONLY. Designers must first program the
modules with a released firmware version. Designers should bring out GPIO31 pin (option to pull this pin to VDDIO during reset or power-on) and UART0 or SPI0 pins to enable programming of firmware into the module. For details refer to the Programming the Telit Modules document.
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