Telit Wireless Solutions GainSpan GS2011M Installation manual

GS2011M Low Power Wi-Fi Module
Hardware User Guide
1VV0301482 Rev. 5.0 – 2018-01-10

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GS2011M Low Power Wi-Fi Module Hardware User Guide
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
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include or describe copyrighted Telit material, such as computer programs stored in
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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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GS2011M Low Power Wi-Fi Module Hardware User Guide
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
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WHETHER MADE UNDER CONTRACT, TORT OR OTHER LEGAL THEORY, ARISING IN ANY
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APPLICABLE TO ANY SEPARATE FILES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES.

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GS2011M Low Power Wi-Fi Module Hardware User Guide
Note: The features described in the present document are provided by the products equipped with
the software versions equal or higher than the versions shown in the table. See also the
Revision History chapter.
PRODUCT
GS2K based Modules
Software Release
5.5.0
APPLICABILITY TABLE

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Table of Contents
Chapter 1 GS2011M Overview ........................................................................................................ 19
1.1 Product Overview ..................................................................................................................19
1.2 GS2011M Module Product Features .....................................................................................19
Chapter 2 GS2011M Architecture .................................................................................................... 23
2.1 Architecture Description ........................................................................................................23
2.2 Wireless LAN and System Control Subsystem .....................................................................25
2.2.1 Onboard Antenna / RF Port / Radio .............................................................................25
2.2.1.1 802.11 MAC .........................................................................................................25
2.2.1.2 802.11 PHY .........................................................................................................26
2.2.1.3 RF/Analog ............................................................................................................27
2.2.2 Network Services Subsystem ......................................................................................27
2.2.2.1 APP CPU .............................................................................................................27
2.2.2.2 Crypto Engine ......................................................................................................27
2.2.3 Memory Subsystem .....................................................................................................27
2.2.3.1 SRAM ..................................................................................................................27
2.2.3.2 ROM ....................................................................................................................28
2.2.3.3 OTP ROM ............................................................................................................28
2.2.3.4 Flash Interface .....................................................................................................28
2.2.4 Clocks ..........................................................................................................................28
2.2.5 Real Time Clock (RTC) Overview ................................................................................29
2.2.5.1 RTC Main Features .............................................................................................29
2.2.5.2 Real Time Clock Counter .....................................................................................31
2.2.5.3 RTC I/O ................................................................................................................31
2.2.5.4 DC_DC_CNTL .....................................................................................................31
2.2.6 GS2011M Peripherals ..................................................................................................31
2.2.6.1 SDIO Interface .....................................................................................................31
2.2.6.2 SPI Interface ........................................................................................................32
2.2.6.3 UART Interface ....................................................................................................32
2.2.6.4 I2C Interface ........................................................................................................33
2.2.6.5 GPIO ....................................................................................................................33
2.2.6.6 ADC .....................................................................................................................33
2.2.6.7 PWM ....................................................................................................................33
2.2.7 System States ..............................................................................................................35
2.2.8 Power Supply ...............................................................................................................38
Chapter 3 Pin-out and Signal Description ........................................................................................ 41
3.1 GS2011Mxx Device Pin-out ..................................................................................................41
3.1.1 GS2011Mxx Module Pins Description ..........................................................................42
Table 7 Errata ..................................................................................................................46
3.1.2 GS2011M Pin MUX Function .......................................................................................47
3.1.3 GS2011M Program and Code Restore Options ...........................................................49
Chapter 4 Electrical Characteristics ................................................................................................. 51
4.1 Absolute Maximum Ratings ...................................................................................................51
4.2 Operating Conditions .............................................................................................................52
4.3 Internal 1.8V Regulator ..........................................................................................................52
4.4 I/O DC Specifications ............................................................................................................53
4.4.1 I/O Digital Specifications (Tri-State) Pin Types 4mA, 12mA, and 16mA ......................53

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4.4.1.1 I/O Digital Specifications for VDDIO=2.7V to 3.6V ..............................................53
4.4.2 RTC I/O Specifications .................................................................................................54
4.5 Power Consumption ..............................................................................................................55
4.6 802.11 Radio Parameters ......................................................................................................56
4.7 ADC Parameters ...................................................................................................................58
Chapter 5 Package and Layout Guidelines ..................................................................................... 61
5.1 GS2011Mxx Recommended PCB Footprint and Dimensions ...............................................61
5.1.1 Surface Mount Assembly .............................................................................................63

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About This Manual
This manual describes the GS2011M Low Power module hardware specification.
Refer to the following sections:
• Revision History, page 8
• Audience, page 8
• Standards, page 8
• Certifications, page 8
• Documentation Conventions, page 9
• Documentation, page 12
• Contact Information, Support, page 14
• Returning Products to GainSpan, page 15
• Accessing the GainSpan Portal, page 16
• Ordering Information, page 16

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Revision History
This version of the GainSpan GS2011M Low Power Wi-Fi Data Sheet contains the
following new information listed in Table 1, page 8.
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 GainSpan
GS2011M based module.
Standards
The standards that are supported by the GainSpan modules are IEEE 802.11 b/g/n.
Certifications
GainSpan GS2011M Low Power Wi-Fi Module has Certification Compliance for the
following:
Table 1 Revision History
Version Date Remarks
1.0 June 2015
Removed reference to external PA, LNA, and control of external RF Switch
(GS2011MIE only). See 2.2.1.2 802.11 PHY, page 26.
Added Errata notification to the Pin Signal and Pin MUX tables regarding
SPI0_OUT and SPI1_OUT signals. See Table 7, page 42 and Table 8,
page 47.
Updated Power Consumption information in Table 15, page 55.
Updated 802.11 Radio Parameters Transmit/Receive Specifications for
1Mbps and 54Mbps in Table 16, page 56.
2.0 February 2016
Updated 802.11 Radio Parameters Output power (average) and Receive
Sensitivity at antenna port in Table 16, page 56.
Updated the Note under 5.1 GS2011Mxx Recommended PCB Footprint and
Dimensions
3.0 July 2016 Updated 802.11 Radio Parameters RF Frequency Range in Table 16, page 56
4.0 November 2017 Corrected the System State - WLAN Continuous Transmit from 16dbm to
15dbm see Table 15, page 55
5.0 January 2018 Updated Output power (average) for GS2011MIE and GS2011MIZ in Table
16, page 56

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Hereby, GainSpan Corporation declares that the radio equipment type GS2011MIZ &
GS2011MIE is in compliance with Radio Equipment Directive (RED) 2014/53/EU. The
Declaration of Conformity (DoC) for the same is available at URL:
https://www.telit.com/red/
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 hyper links to supplemental information
– Command notation indicates commands, subcommands, or command elements
Table 3, page 9, describes the text conventions used in this manual for software procedures
that are explained using the AT command line interface.
Table 2 Certification Compliance
Category Certification
Radio regulatory Certificates FCC, IC, TELEC, RED
Wi-Fi Alliance Certificates WPS 2.0, WMM, WMM-PS, WPA and WPA2 Enterprise, WPA and WPA2
Personal.
Table 3 Document Text Conventions
Convention Type Description
command syntax
monospaced font
This monospaced font represents command strings entered on a
command line and sample source code.
AT XXXX
Proportional font
description
Gives specific details about a parameter.
<Data> DATA
UPPERCASE
Variable parameter
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 part of any
command.
[parm1|parm2|parm3]

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?
Question mark
Used with the square brackets to limit the immediately following token
to one occurrence.
<ESC>
Escape sequence
Each escape sequence <ESC> starts with the ASCII character 27 (0x1B).
This is equivalent to the Escape key.
<ESC>C
<CR>
Carriage return 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>
=
Equal sign
Separates the variable from explanatory text. Is entered as part of the
command.
PROCESSID = <CID>
.
dot (period)
Allows the repetition of the element that immediately follows it multiple
times. Do not enter as part of the command.
.AA:NN can be expanded to 1:01 1:02 1:03.
A.B.C.D
IP address
IPv4-style address.
10.0.11.123
X:X::X:X
IPv6 IP address
IPv6-style address.
3ffe:506::1
Where the : : represents all 0x for those address components not
explicitly given.
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.
string of words
WORD
Single token
Indicates user input of any contiguous string (excluding spaces).
singlewordnospaces
Table 3 Document Text Conventions (Continued)
Convention Type Description