Telit Wireless Solutions LE910C1-NS Guide

[11.2017]
Mod.0818 2017-11 Rev.0
LE910Cx - mPCIe
HW Design Guide
1VV0301510 Rev. 4 –2018-06-26

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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 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
PRODUCTS
LE910C1-NS
LE910C1-NA
LE910C4-NF
LE910C1-AP
LE910C1-EU

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Contents
NOTICE 2
COPYRIGHTS................................................................................................ 2
COMPUTER SOFTWARE COPYRIGHTS...................................................... 2
USAGE AND DISCLOSURE RESTRICTIONS............................................... 3
APPLICABILITY TABLE................................................................................ 4
CONTENTS.................................................................................................... 5
1. INTRODUCTION........................................................................ 10
Scope......................................................................................... 10
Audience..................................................................................... 10
Contact Information, Support...................................................... 10
Text Conventions........................................................................ 11
Related Documents.................................................................... 12
2. GENERAL PRODUCT DESCRIPTION ...................................... 13
Overview..................................................................................... 13
Product Variants and Frequency Bands...................................... 14
Target market............................................................................. 14
Main features.............................................................................. 15
TX Output Power........................................................................ 17
RX Sensitivity ............................................................................. 17
Mechanical specifications........................................................... 18
2.7.1. Dimensions................................................................................. 18
2.7.2. Weight........................................................................................ 18
Temperature range..................................................................... 19
3. PINS ALLOCATION................................................................... 20
Pin-out........................................................................................ 20
4. POWER SUPPLY....................................................................... 25
Power Supply Requirements....................................................... 25
Power Consumption ................................................................... 25
General Design Rules................................................................. 26
4.3.1. Electrical Design Guidelines ....................................................... 26
4.3.1.1. +5V Source Power Supply Design Guidelines ............................ 26

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4.3.1.2. +12V Source Power Supply Design Guidelines .......................... 27
4.3.1.3. Battery Source Power Supply Design Guidelines........................ 28
4.3.2. Thermal Design Guidelines......................................................... 29
4.3.3. Power Supply PCB layout Guidelines......................................... 30
VAUX/PWRMON Power Output.................................................. 32
GNSS LNA BIAS ........................................................................ 33
5. ELECTRICAL SPECIFICATION................................................. 34
Absolute Maximum Ratings –Not Operational............................ 34
Recommended Operating Conditions......................................... 34
6. DIGITAL SECTION .................................................................... 35
Logic Levels................................................................................ 35
Power On.................................................................................... 38
Unconditional Restart.................................................................. 41
Power OFF procedure ................................................................ 44
Control signals............................................................................ 46
6.5.1. WAKE_N .................................................................................... 46
6.5.2. W_DISABLE_N........................................................................... 48
6.5.3. LED_WWAN_N .......................................................................... 48
6.5.4. PERST_N................................................................................... 49
Hardware Interfaces ................................................................... 50
6.6.1. USB Port..................................................................................... 50
6.6.2. Serial Port................................................................................... 52
6.6.2.1. Modem Serial Port 1 Signals....................................................... 52
6.6.2.2. RS232 Level Translation............................................................. 53
6.6.3. I2C - Inter-integrated Circuit........................................................ 55
6.6.4. Digital Audio ............................................................................... 55
SIM Interface.............................................................................. 57
7. RF SECTION.............................................................................. 58
Bands Variants........................................................................... 58
TX and RX characteristics .......................................................... 58
Antenna requirements................................................................. 58
7.3.1. Antenna Connectors................................................................... 58
7.3.2. Main GSM/WCDMA/LTE Antenna Requirements ....................... 59
7.3.3. Antenna Diversity Requirements................................................. 60
7.3.4. GNSS Antenna Requirements.................................................... 60
7.3.4.1. Combined GNSS Antenna.......................................................... 61

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7.3.4.2. Linear and Patch GNSS Antenna ............................................... 61
8. MECHANICAL DESIGN............................................................. 62
Mechanical Dimensions.............................................................. 62
8.1.1. Mechanical Drawing ................................................................... 62
8.1.2. Top View..................................................................................... 62
8.1.3. Bottom View ............................................................................... 63
8.1.4. Side View.................................................................................... 64
9. APPLICATION PCB DESIGN .................................................... 65
Recommended footprint for the application................................. 65
10. EMC RECOMMENDATIONS...................................................... 66
11. PACKING SYSTEM ................................................................... 67
Tray............................................................................................ 67
Tray Drawing.............................................................................. 69
Moisture sensitivity ..................................................................... 70
12. CONFORMITY ASSESSMENT ISSUES .................................... 71
Declaration of Conformity ........................................................... 71
13. SAFETY RECOMMENDATIONS................................................ 72
READ CAREFULLY.................................................................... 72
14. REFERENCE TABLE OF RF BANDS CHARACTERISTICS..... 73
15. ACRONYMS............................................................................... 76
16. DOCUMENT HISTORY .............................................................. 78

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List of Tables
TABLE 1 PRODUCT VARIANTS AND FREQUENCY BANDS........................................................14
TABLE 2 MAIN FEATURES.............................................................................................................16
TABLE 3 TX OUTPUT POWER.......................................................................................................17
TABLE 4 RX SENSITIVITY ..............................................................................................................17
TABLE 5 TEMPERATURE RANGE.................................................................................................19
TABLE 6 PIN-OUT............................................................................................................................24
TABLE 7 POWER SUPPLY REQUIREMENTS ..............................................................................25
TABLE 8 VAUX/PWRMON POWER OUTPUT................................................................................32
TABLE 9 GNSS LNA BIAS...............................................................................................................33
TABLE 10 ABSOLUTE MAXIMUM RATINGS –NOT OPERATIONAL.........................................34
TABLE 11 RECOMMENDED OPERATING CONDITIONS............................................................34
TABLE 12 ABSOLUTE MAXIMUM RATING CMOS 1.8V................................................................35
TABLE 13 ABSOLUTE MAXIMUM RATING CMOS 3.3V................................................................35
TABLE 13 OPERATING RANGE CMOS 1.8V.................................................................................36
TABLE 14 OPERATING RANGE CMOS 3.3V.................................................................................36
TABLE 15 OPERATING RANGE SIM CARD PADS........................................................................37
TABLE 16 PERST_N........................................................................................................................41
TABLE 17 CONTROL SIGNALS......................................................................................................46
TABLE 18 PERST_N OPERATING LEVELS...................................................................................49
TABLE 19 HARDWARE INTERFACES ...........................................................................................50
TABLE 20 USB INTERFACE ...........................................................................................................51
TABLE 21 MODEM SERIAL PORT 1 SIGNALS..............................................................................52
TABLE 22 DIGITAL AUDIO INTERFACE ........................................................................................55
TABLE 23 SIM INTERFACE SIGNALS............................................................................................57
TABLE 24 MAIN ANTENNA REQUIREMENTS...............................................................................59
TABLE 25 DIVERSITY ANTENNA REQUIREMENTS.....................................................................60
TABLE 26 EMC RECOMMENDATIONS..........................................................................................66
TABLE 27 TRAY PACKING .............................................................................................................67
TABLE 28 PACKING QUANTITIES .................................................................................................67
TABLE 29 REFERENCE TABLE OF RF BANDS ............................................................................75
TABLE 30 ACRONYMS....................................................................................................................77
TABLE 31 DOCUMENT HISTORY ..................................................................................................78

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List of Figures
FIGURE 1 LINEAR REGULATOR WITH 5V INPUT........................................................................26
FIGURE 2 SWITCHING REGULATOR 12V.....................................................................................27
FIGURE 3 POWER SUPPLY RECOMMENDED CIRCUIT .............................................................31
FIGURE 4 POWER ON TIMING DIAGRAMM..................................................................................38
FIGURE 5 RECOMENDED RESET DRIVER CUIRCUIT................................................................42
FIGURE 6 SHUTDOWN BY SOFTWARE COMMAND ...................................................................44
FIGURE 7 WAKE_N INTERNAL DRIVER .......................................................................................47
FIGURE 8 LED_WWAN_N INTERNAL DRIVER.............................................................................48
FIGURE 9 LEVEL ADAPTER EXAMPLE.........................................................................................54
FIGURE 10 RS232 DB-9 PINOUT ...................................................................................................54
FIGURE 11 SIM INTERFACE ..........................................................................................................57
FIGURE 12 UFL ANTENNA CONNECTORS ..................................................................................58
FIGURE 13 LE910C1-MPCIE TOP VIEW (DIMENSIONS ARE IN MM) .........................................62
FIGURE 14 LE910C1-MPCIE BOTTOM VIEW................................................................................63
FIGURE 15 LE910C1-MPCIE SIDE VIEW.......................................................................................64
FIGURE 16 LE910C1-MPCIE FOOTPRINT REFERENCE.............................................................65
FIGURE 17 LE910C1-MPCIE TRAY ORGANIZATION...................................................................68
FIGURE 18 LE910C1-MPCIE TRAY DRAWING .............................................................................69

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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 xE910Cx Mini PCIe Adapter.
Audience
This document is intended for Telit customers, especially system integrators, about to
implement their applications using the Telit xE910Cx Mini PCIe Adapter.
Contact Information, Support
For general contact, technical support services, technical questions and report
documentation errors contact Telit Technical Support at:
•[e-mail]
•[e-mail]
•[e-mail]
•[e-mail]
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, 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.

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Related Documents
[1] LE910C1 Hardware User Guide 1VV0301298
[2] LE920x4/LE910Cx AT Command User Guide 80490ST10778A
[3] Telit EVB User Guide 1VV0301249
[4] mPCIe_IFBD_HW_USER_GUIDE 1VV0301483
[5] LE910/LE920 Digital Voice Interface Application Note 80000NT11246A
[6] Event Monitor Application Note 80000NT10028a
[7] PCI Express Mini Card Electromechanical Specification Revision 2.1

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2. GENERAL PRODUCT DESCRIPTION
Overview
The aim of this document is to present possible and recommended hardware solutions
useful for developing a product with the Telit LE910Cx-mPCIe module.
LE910Cx-mPCIe is Telit platform for Mini PCIe applications, such as M2M applications,
industrial mobile router and table PC, based on the following technologies:
•LTE / WCDMA networks for data communication
•Designed for industrial grade quality
In its most basic use case, LE910Cx-mPCIe can be applied as a wireless communication
front-end for mobile router products, offering mobile communication features to an
external host CPU through its rich interfaces. LE910Cx-mPCIe can further support
customer software applications and security features. LE910Cx-mPCIe
provides a software application development environment with sufficient system resources
for creating rich on-board applications. Thanks to a dedicated application processor and
embedded security resources, product developers and manufacturers can create products
that guarantee fraud prevention and tamper evidence without extra effort for additional
security precautions. LE910Cx-mPCIe is available in hardware and band variants as listed
in 2.2 Product Variants and Frequency Bands.

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Product Variants and Frequency Bands
LE910Cx modules bands combinations are listed below:
Product
2G Band
3G Band
4G Band
Region
LE910C1-NA
2, 3, 5, 8
1, 2, 4, 5, 8
2, 4, 12
North America
LE910C1-AP
-
1, 5, 8
1, 3, 5, 8, 28
Asia-Pacific
LE910C1-NS
-
-
2, 4, 5, 12, 25, 26
North America
- Sprint
LE910C4-NF
-
2, 4, 5
2, 4, 5, 12, 13, 14,
66, 71
North America
LE910C1-NF
-
2, 4, 5
2, 4, 5, 12, 13, 14,
66, 71
North America
LE910C1-EU
3, 8
1, 3, 8
1, 3, 7, 8, 20, 28A
Europe
Table 1 Product Variants and Frequency Bands
Refer to Chapter Reference Table of RF Bands Characteristics 14 for details information
about frequencies and bands.
Target market
LE910Cx-mPCIe can be used for wide variety applications, where low power consumption
and low cost are required while sufficient data rates are achieved:
•Mini PCIe applications
•Mobile router
•Notebook PC
•M2M applications

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Main features
Function
Features
Modem
•Multi-RAT cellular modem for voice and data communication
•LTE FDD Catx data rates per the module variant used.
•Carrier aggregation is not supported
•GSM/GPRS/EDGE
•WCDMA up to DC HSPA+, Rel.9
•Regional variants with optimal choice of RF bands
•coverage of countries and MNOs
•State-of-the-art GNSS solution with
GPS/GLONASS/BeiDou/Galileo/QZSS receiver
Digital audio
subsystem
•PCM/I2S digital audio interface
•Up to 48 kHz sample rate, 16 bit words
USIM ports –dual
voltage
•Class B and Class C support
•Hot swap support
•Clock rates up to 4 MHz
Application
processor
Application processor to run customer application code
• 32 bit ARM Cortex-A7 up to 1.3 GHz running the Linux operating
system
• Flash + DDR are large enough to allow for customer’s own
software applications
Interfaces
•USB2.0 –USB port is typically used for:
•Flashing of firmware and module configuration
•Production testing
•Accessing the Application Processor’s file system
•AT command access
•High-speed WWAN access to external host
•Diagnostic monitoring and debugging
•Communication between Java application environment
and an external host CPU
•NMEA data to an external host CPU
•Peripheral Ports –I2C, UART
•GPIOs
•Antenna ports
Form factor
Full-Mini Card 52 pin, 50.95mm x 30mm x 1mm.

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Environment and
quality requirements
The entire module is designed and qualified by Telit for satisfying
the environment and quality requirements.
Single supply
module
The module generates all its internal supply voltages.
RTC
No dedicated RTC supply, RTC is supplied by VBATT
Table 2 Main features

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TX Output Power
Technology
Power (dBm)
2G LB
32
2G HB
29
3G/TD-SCDMA
23
4G FDD
22 @1RB
Table 3 TX Output Power
RX Sensitivity
Technology
Sensitivity (dBm)
2G
-107
3G/TD-SCDMA
-112
4G FDD (BW=5 MHz)
-102
Table 4 RX Sensitivity

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Mechanical specifications
2.7.1. Dimensions
The overall dimensions of LE910Cx-mPCIe family are:
Length: 50.95 mm
Width: 30 mm
Thickness : 3.2 mm (Version with SIM holder : 4.62 mm)
2.7.2. Weight
The nominal weight of the module is 7 grams.

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Temperature range
Case
Range
Note
Operating
Temperature
Range
–20°C ÷ +55°C
The module is fully functional(*) in all the
temperature range, and it fully meets the
3GPP specifications.
–40°C ÷ +85°C
The module is fully functional (*) in all the
temperature range.
However, there may be some
performance deviations in this extended
range relative to 3GPP requirements,
which means that some RF parameters
may deviate from the 3GPP specification
in the order of a few dB.
For example: receiver sensitivity or
maximum output power may be slightly
degraded
Storage and non-
operating
Temperature
Range
–40°C ÷ +105°C
Table 5 Temperature range
(*) Functional: the module is able to make and receive calls, data connection and SMS.

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3. PINS ALLOCATION
Pin-out
LE910C1 mPCIe Pin out follows the mPCIe specification [7]
Pin
Signal
I/O
Function
Type
Comment
Power Supply
24
3V3
-
3.3V Main Power
Supply
Power
Supply for 3.3V I/O
UART/DVI interface
2
3V3_AUX
-
3.3V Main Power
Supply
Power
39
3V3_AUX
-
3.3V Main Power
Supply
Power
41
3V3_AUX
-
3.3V Main Power
Supply
Power
52
3V3_AUX
-
3.3V Main Power
Supply
Power
4
GND
-
Ground
9
GND
-
Ground
15
GND
-
Ground
18
GND
-
Ground
21
GND
-
Ground
26
GND
-
Ground
27
GND
-
Ground
29
GND
-
Ground
34
GND
-
Ground
35
GND
-
Ground
37
GND
-
Ground