Telit Wireless Solutions ML865G1 User manual

[0
1.2017]
Mod. 08
05 2017-01 Rev.6
ML865G1
HW User Guide
1VV0301632 Rev. 4 – 2020-09-23

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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
ML865G1-WW

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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.................................................................................. 4
CONTENTS ...................................................................................................... 5
1. INTRODUCTION............................................................................ 9
Scope ............................................................................................. 9
Audience ........................................................................................ 9
Contact Information, Support ......................................................... 9
Text Conventions ......................................................................... 10
Related Documents...................................................................... 11
2. GENERAL PRODUCT DESCRIPTION........................................ 12
Overview ...................................................................................... 12
Product Variants and Frequency Bands....................................... 12
Target Market ............................................................................... 13
Main features................................................................................ 13
TX Output Power.......................................................................... 14
RX Sensitivity ............................................................................... 15
2.6.1. ML865G1-WW.............................................................................. 15
Mechanical Specifications ............................................................ 17
2.7.1. Dimensions................................................................................... 17
2.7.2. Weight .......................................................................................... 17
Temperature Range ..................................................................... 17
3. PINS ALLOCATION .................................................................... 18
Pin-out .......................................................................................... 18

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Pin Layout .................................................................................... 23
4. POWER SUPPLY ........................................................................ 24
Power Supply Requirements........................................................ 24
Power Consumption ..................................................................... 25
4.2.1. Idle mode...................................................................................... 25
4.2.2. ML865G1-WW Connected Mode ................................................. 27
General Design Rules .................................................................. 28
4.3.1. Electrical Design Guidelines......................................................... 28
4.3.1.1. +5V Source Power Supply Design Guidelines ............................. 28
4.3.1.2. +12V Source Power Supply Design Guidelines ........................... 29
4.3.1.3. Battery Source Power Supply Design Guidelines ........................ 29
4.3.2. Thermal Design Guidelines .......................................................... 30
4.3.3. Power Supply PCB layout Guidelines .......................................... 31
RTC supply................................................................................... 32
VAUX Power Output..................................................................... 32
5. DIGITAL SECTION ...................................................................... 34
Logic Levels ................................................................................. 34
Power On ..................................................................................... 35
Auto Power On ............................................................................. 38
Power Off ..................................................................................... 38
Unconditional Shutdown............................................................... 40
Wake from deep sleep mode ....................................................... 43
Fast power down .......................................................................... 43
5.7.1. Fast Shut Down by Hardware....................................................... 44
5.7.2. Fast Shut Down by Software........................................................ 45
Communication ports ................................................................... 45
5.8.1. USB 2.0 HS .................................................................................. 45
5.8.2. SPI................................................................................................ 47
5.8.3. SPI Connections........................................................................... 48
5.8.4. Serial Ports................................................................................... 48
5.8.4.1. Modem serial port 1 (USIF0) ........................................................ 48
5.8.4.2. Modem serial port 2 (USIF1) ........................................................ 50
5.8.4.3. RS232 level translation ................................................................ 51
General purpose I/O..................................................................... 52
5.9.1. Using a GPIO as INPUT............................................................... 53
5.9.2. Using a GPIO as OUTPUT........................................................... 54
5.9.3. Indication of network service availability....................................... 54

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External SIM Holder ..................................................................... 55
ADC Converter ............................................................................. 55
5.11.1. Using ADC Converter................................................................... 56
Forced USB boot.......................................................................... 56
6. RF SECTION................................................................................ 57
Bands Variants ............................................................................. 57
TX Output power .......................................................................... 57
RX Sensitivity ............................................................................... 57
Antenna requirements .................................................................. 57
6.4.1. PCB Design guidelines................................................................. 58
6.4.2. PCB Guidelines in case of FCC Certification ............................... 60
6.4.2.1. Transmission line design.............................................................. 60
6.4.2.2. Transmission Line Measurements................................................ 62
6.4.2.3. Antenna Installation Guidelines.................................................... 64
7. AUDIO SECTION......................................................................... 65
Electrical Characteristics .............................................................. 65
Codec examples........................................................................... 65
8. GNSS SECTION .......................................................................... 66
GNSS Signals Pin-out .................................................................. 66
RF Front End Design.................................................................... 66
8.2.1. Guidelines of PCB line for GNSS Antenna................................... 66
8.2.2. Hardware-based solution for GNSS and LTE coexistence........... 67
GNSS Antenna Requirements ..................................................... 67
8.3.1. GNSS Antenna specification ........................................................ 67
8.3.2. GNSS Antenna – Installation Guidelines...................................... 68
8.3.3. Powering the External LNA (active antenna)................................ 68
GNSS Characteristics .................................................................. 69
9. MECHANICAL DESIGN............................................................... 70
Drawing ........................................................................................ 70
10. APPLICATION PCB DESIGN...................................................... 71
General......................................................................................... 71
Footprint ....................................................................................... 71
PCB pad design ........................................................................... 73
PCB pad dimensions.................................................................... 73
Stencil........................................................................................... 74
Solder paste ................................................................................. 75

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Solder Reflow ............................................................................... 75
11. PACKAGING ............................................................................... 77
Tray .............................................................................................. 77
Reel .............................................................................................. 79
Moisture sensitivity ....................................................................... 79
12. CONFORMITY ASSESSMENT ISSUES ..................................... 81
ANATEL Regulatory Notices ........................................................ 81
13.SAFETY RECOMMENDATIONS................................................. 82
READ CAREFULLY ..................................................................... 82
14. ACRONYMS ................................................................................ 83
15. DOCUMENT HISTORY................................................................ 85

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1. INTRODUCTION
Scope
Scope of this document is is the description of some hardware solutions useful for
developing a product with the Telit ML865G1 module.
Audience
This document is intended for Telit customers, who are integrators, about to implement their
application using our ML865G1 module.
Contact Information, Support
For general contact, technical support services, technical questions and report
documentation errors contact Telit Technical Support at:
•TS-[email protected]
•TS-[email protected]
•TS-[email protected]
•TS-[email protected]
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
80000NT10001A - SIM INTEGRATION DESIGN GUIDES Application Note

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2. GENERAL PRODUCT DESCRIPTION
Overview
The ML865G1 module is a CATM / NBIoT / 2G communication product which allows
integrators to plan on availability for even the longest lifecycle applications, highly
recommended for new designs specified for coverage worldwide.
The ML865G1 operates with 1.8 V GPIOs, minimizing power consumption and making it
even more ideally suited for battery powered and wearable device applications.
Product Variants and Frequency Bands
Product 2G Band (MHz) LTE CATM1 NBIoT Region
ML865G1-WW 850, 900, 1800,
1900
B1, B2, B3, B4,
B5, B8, B12,
B13, B18, B19,
B20, B25, B26,
B27, B28, B66,
B85
B1, B2, B3, B4,
B5, B8, B12,
B13, B18, B19,
B20, B25, B26,
B28, B66, B71,
B85
Worldwide
Refer to “RF Section” for details information about frequencies.
NOTE:
Cellular technologies and frequency bands that are enabled may
vary based on firmware version and firmware configuration used.

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Target Market
ML865G1 can be used for telematics applications where tamper-resistance,
confidentiality, integrity, and authenticity of end-user information are required, for example:
•Telematics services
•Road pricing
•Pay-as-you-drive insurance
•Stolen vehicles tracking
•Internet connectivity
Main features
Function Features
Modem •CATM, NBIoT, 2G technologies
•SMS support (text and PDU)
•Alarm management
•Real Time Clock
Interfaces •Main UART for AT command access
•AUX UART used for diagnostic monitoring and
debugging
•USB
•SPI
•8 GPIOs
•Antenna port

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TX Output Power
ML865G1-WW
Band Mode Class RF power (dBm)
850/900MHz
GPRS 4 32.5
EGPRS E2 27
1800/1900MHz
GPRS 1 29.5
EGPRS E2 26
B1, B2, B3, B4, B5, B8, B12,
B13, B18, B19, B20, B25, B26,
B27, B28, B66, B85
(LTE) CAT-
M1 3 23
B1, B2, B3, B4, B5, B8, B12,
B13, B18, B19, B20, B25, B26,
B28, B66, B85
(LTE) CAT-
NB2 3 23
B71 (LTE) CAT-
NB2 5 20

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RX Sensitivity
2.6.1. ML865G1-WW
Band REFsens (dBm)
Typical
3GPP REFsens (dBm)*
CATM1 / Band1 -106.2 -102.7
CAT M1 / Band2 -107.4 -100.3
CAT M1 / Band3 -106.1 -99.3
CAT M1 / Band4 -107.1 -102.3
CAT M1 / Band5 -106.4 -100.8
CAT M1 / Band8 -105.9 -99.8
CAT M1 / Band12 -103.7 -99.3
CAT M1 / Band13 -107.0 -99.3
CAT M1 / Band18 -107.1 -102.3
CAT M1 / Band19 -105.5 -102.3
CAT M1 / Band20 -106.1 -99.8
CAT M1 / Band25 -107.2 -
CAT M1 / Band26 -106.6 -100.3
CAT M1 / Band27 -107.2 -100.8
CAT M1 / Band28 -106.4 -100.8

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CAT M1 / Band66 -106.8 -
CAT M1 / Band85 -102.2 -
CAT NB2 / Band1 -116.2 -108.2
CAT NB2 / Band2 -116.4 -108.2
CAT NB2 / Band3 -116.2 -108.2
CAT NB2 / Band4 -116.0 -
CAT NB2 / Band5 -116.0 -108.2
CAT NB2 / Band8 -110.6 -108.2
CAT NB2 / Band12 -115.5 -108.2
CAT NB2 / Band13 -115.9 -108.2
CAT NB2 / Band18 -116.1 -108.2
CAT NB2 / Band19 -115.7 -108.2
CAT NB2 / Band20 -115.4 -108.2
CAT NB2 / Band25 -116.4 -
CAT NB2 / Band26 -115.9 -108.2
CAT NB2 / Band28 -115.9 -108.2
CAT NB2 / Band66 -116.4 -108.2
CAT NB2 / Band71 -104.7 -

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CAT NB2 / Band85 -115.9 -
* 3GPP TS 36.521-1 Release 15
Mechanical Specifications
2.7.1. Dimensions
The overall dimensions of ML865G1-WW are:
•Length: 24.0 mm
•Width: 24.0 mm
•Thickness: 2.6 mm
2.7.2. Weight
The nominal weight of the ML865G1-WW is 2 grams.
Temperature Range
Note
Operating Temperature
Range –40°C to +85°C
The module is fully functional (*) and
compliant according to regulatory
standards.
Storage Temperature
Range –40°C to +105°C The module is not powered and not connected to power supply
(*) Functional: if applicable, the module is able to make and receive voice calls, data calls,
send and receive SMS and data traffic.

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3. PINS ALLOCATION
Warning: ML865G1 is adopting a modified 56-pin xL865 Form Factor,
pin to pin compatible with the previous 48-pin xL865 FF and with 8
additional pads.
The numbering of the pins has been changed accordingly and
attention has to be paid when comparing with previous 48-pin xL865
FF design.
Pin-out
Pin Signal I/
O
Function Type Comment
USB HS 2.0 COMMUNICATION PORT
20 USB_D+ I/O USB differential Data
(+)
3V
19 USB_D- I/O USB differential Data
(-)
3V
18 VUSB I Power sense for the
internal USB
transceiver.
3-5V Internal PD
(100K)
Asynchronous Serial Port (USIF0) - Prog. / Data + HW Flow Control
1 C109/DCD O Output for Data carrier
detect signal (DCD) to
DTE
CMOS
1.8V
2 C125/RING O Output for Ring
indicator signal (RI) to
DTE
CMOS
1.8V

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3 C107/DSR O Output for Data set
ready signal (DSR) to
DTE
CMOS
1.8V
4 C108/DTR I Input for Data terminal
ready signal (DTR)
from DTE
CMOS
1.8V
5 C105/RTS I Input for Request to
send signal (RTS)
from DTE
CMOS
1.8V
6 C106/CTS O Output for Clear to
send signal (CTS) to
DTE
CMOS
1.8V
9 C103/TXD I Serial data input
(TXD) from DTE
CMOS
1.8V
10 C104/RXD O Serial data output to
DTE
CMOS
1.8V
SIM card interface
11 SIMVCC - External SIM signal –
Power supply for the
SIM
1.8V
12 SIMRST O External SIM signal –
Reset
1.8V
13 SIMCLK O External SIM signal –
Clock
1.8V
14 SIMIO I/O External SIM signal –
Data I/O
1.8V Internal pull-up
20K
ADC
15 ADC_IN1 I Analog/Digital
converter input
Auxiliary (USIF1)

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52 RXD_AUX /SPI_MISO I/O
Auxiliary UART (RX
Data)/SPI_MISO
CMOS
1.8V
53 TXD_AUX / SPI_MOSI I/O Auxiliary UART (TX
Data)/SPI_MOSI
CMOS
1.8V
Miscellaneous
7 ON_OFF/WAKE I Input Command for
Power ON/OFF and
to wake from deep
sleep mode (PSM)
1.8V Active
High
55 HW_SHUTDOWN* I UNCONDITIONAL
SHUTDOWN
VBATT
51 V_AUX/PWRMON O 1.8V
56 FORCED_USB_BOOT I CMOS
1.8V
40 ANTENNA I/O Antenna pad – 50 Ω RF
37 GNSS_ANT I GNSS receiver input -
50 Ω
RF
GPIO
48 GPIO_01 / DVI_WA0 I/O GPIO01 Configurable
GPIO / Digital Audio
Interface (WA0)
CMOS
1.8V
47 GPIO_02 /DVI_RX I/O GPIO02 I/O pin
Digital Audio Interface
(RX)
CMOS
1.8V
46 GPIO_03 / DVI_TX I/O GPIO03 GPIO I/O pin/
Digital Audio Interface
(TX)
CMOS
1.8V
45 GPIO_04 / DVI_CLK I/O GPIO04 Configurable
GPIO/ Digital Audio
Interface (CLK)
CMOS
1.8V