Telit Wireless Solutions FN990 Series Mode d’emploi

FN990 Family

HW Design Guide

1VV0301752 Rev. 3 – 2022-10-07

Telit Technical Documentation

FN990

Family Hardware Design Guide

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APPLICABILITY TABLE

PRODUCTS Description

FN990A28 3G / 4G (16 Layer) / Sub-6 (BW : 120MHz) cellular module

FN990A40 3G / 4G (20 Layer) / Sub-6 (BW : 200MHz) cellular module

FN990

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CONTENTS

APPLICABILITY TABLE 2

CONTENTS 3

INTRODUCTION 8

Scope 8

Audience 8

Contact Information, Support 8

Symbol Conventions 9

Related Documents 9

GENERAL PRODUCT DESCRIPTION 10

Overview 10

Frequency Bands and CA / EN-DC Combinations 10

2.2.1.

Frequency Bands 10

2.2.2.

CA / MIMO / EN-DC 13

Target Market 13

Main Features 14

2.4.1.

Configurations Pins 15

Block Diagram 16

RF Performance 16

2.6.1.

Conducted Transmit Output Power 16

2.6.2.

Conducted Receiver Sensitivity 17

Mechanical Specifications 20

2.7.1.

Dimensions 20

2.7.2.

Weight 20

Environmental Requirements 20

2.8.1.

Temperature Range 20

2.8.2.

RoHS Compliance 21

PINS ALLOCATION 22

Pin-out 22

FN990 Family Signals That Must be Connected 25

Pin Layout 26

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POWER SUPPLY 27

Power Supply Requirements 27

Power Consumption 27

General Design Rule 28

4.3.1.

Electrical Design Guidelines 29

4.3.1.1.

+5V Source Power Supply Design Guidelines 29

4.3.2.

Thermal Design Guidelines 29

4.3.3.

Power Supply PCB Layout Guidelines 30

RTC 31

Reference Voltage 31

Internal LDO for GNSS Bias 31

ELECTRICAL SPECIFICATIONS 32

Absolute Maximum Ratings – Not Optional 32

Recommended Operating Conditions 32

DIGITAL SECTION 33

Logic Levels 33

6.1.1.

1.8V Pins – Absolute Maximum Ratings 33

6.1.2.

1.8V Standard GPIOs 33

6.1.3.

1.8V UIM1/UIM2 Pins 33

6.1.4.

2.95V Pins – Absolute Maximum Ratings 34

6.1.5.

2.95V SIM Card Pins 34

6.1.6.

VPH_PWR Level I/O Pins 34

Power ON/OFF/RESET 34

6.2.1.

Power On 35

6.2.1.1.

Initialization and Activation State 35

6.2.2.

Power Off 38

6.2.2.1.

Graceful Shutdown 39

6.2.2.2.

Fast Shutdown 40

6.2.3.

Reset 42

6.2.3.1.

Unconditional Hardware Reset 42

Communication Ports 44

6.3.1.

Host Interface 44

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6.3.1.1.

Host Interface Switch Function 44

6.3.1.2.

PCIe Interface 45

6.3.1.3.

USB 3.1 Interface 48

6.3.2.

SIM Interface 50

6.3.2.1.

SIM Schematic Example 51

6.3.3.

eSIM Interface 51

6.3.4.

I2C – Inter-integrated Circuit 52

6.3.5.

Control Interface 52

6.3.5.1.

WLAN/GNSS Disable 52

6.3.5.2.

LED 53

6.3.5.3.

Wake Host 54

6.3.5.4.

DPR 54

General Purpose I/O 55

6.4.1.

Using a GPIO as INPUT 55

6.4.2.

Using a GPIO as OUTPUT 56

RF SECTION 57

Antenna Interface 57

7.1.1.

Antenna Configuration 57

Antenna Connector 61

Antenna Requirements 62

7.3.1.

Antenna Cable 62

7.3.2.

Antenna Installation Guidelines 63

GNSS Receiver 63

7.4.1.

GNSS RF Front End Design 64

GNSS Characteristics 65

MECHANICAL DESIGN 66

General 66

Finishing & Dimensions 66

Drawing 66

Solder Resist Opening Area and Keepout Area 66

APPLICATION GUIDE 68

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Debug of the FN990 Family Module in Production 68

Bypass Capacitor on Power Supplies 68

EMC Recommendations 69

10.

PACKAGING 70

Tray 70

11.

CONFORMITY ASSESTMENT ISSUES (TBD) 72

Approvals Compliance Summary 72

Americas Approvals 73

11.2.1.

USA FCC 73

11.2.1.1.

FCC Certificates 73

11.2.1.2.

Applicable FCC Rules 73

11.2.1.3.

FCC Regulatory Notices 73

11.2.1.4.

FCC Antenna info 75

11.2.2.

Canada ISED 77

11.2.2.1.

ISED Database 77

11.2.2.2.

Applicable ISED Rules /

Liste des Règles ISDE Applicables

11.2.2.3.

ISED Regulatory Notices /

Avis réglementaires d'ISDE

APAC Approvals 81

11.3.1.

Japan Approvals 81

11.3.1.1.

JRL/JTBL Regulatory Notices 82

EMEA Approvals 82

11.4.1.

EU RED 82

11.4.1.1.

EU Declaration of Conformity 82

11.4.1.2.

RED Antennas 82

RoHS and REACH Info 84

11.5.1.

RoHS Info 84

11.5.2.

REACH Info 84

12.

PRODUCT AND SAFETY INFORMATION 85

Copyrights and Other Notices 85

12.1.1.

Copyrights 85

12.1.2.

Computer Software Copyrights 85

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Usage and Disclosure Restrictions 86

12.2.1.

License Agreements 86

12.2.2.

Copyrighted Materials 86

12.2.3.

High Risk Materials 86

12.2.4.

Trademarks 87

12.2.5.

3rd Party Rights 87

12.2.6.

Waiwer of Liability 87

Safety Recommendations 88

13.

GLOSSARY 89

14.

DOCUMENT HISTORY 91

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1. INTRODUCTION

Scope

This document introduces the Telit FN990 Family module and presents possible and

recommended hardware solutions for the development of a product based on this

module. All the features and solutions described in this document are applicable to all

FN990 Family variants listed in the applicability table.

This document cannot include every hardware solution or every product that can be

designed. Where the suggested hardware configurations are not to be considered

mandatory, the information provided should be used as a guide and starting point for the

proper development of the product with the Telit FN990 Family module.

Audience

This document is intended for Telit customers, especially system integrators, about to

implement their applications using the Telit FN990 Family module.

Contact Information, Support

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

documentation errors contact Telit Technical Support at:











Alternatively, use:

https://www.telit.com/support

For detailed information about where you can buy the Telit modules or for

recommendations on accessories and components visit:

https://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 the user feedback on our information.

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Symbol Conventions

Danger: This information MUST be followed or catastrophic

equipment failure or personal injury may occur.

Warning: Alerts the user on important steps about the module

integration.

Note/Tip: Provides advice and suggestions that may be useful when

integrating the module.

Electro-static Discharge: Notifies the user to take proper grounding

precautions before handling the product.

Table 1: Symbol Conventions

All dates are in ISO 8601 format, that is YYYY-MM-DD.

Related Documents

 FN990 SW User Guide,

1VV0301750

 FN990 AT Commands Reference Guide,

80691ST11097A

 Generic EVB HW User Guide, 1VV0301249

 Telit EVB 2.0 HW User Guide, 1VV0301732

 FN990 TLB HW User Guide, 1VV0301753

 FN990 Thermal Design Guide, 1VV0301804

 FN990 CA / EN-DC list, 30691NT12001A

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2. GENERAL PRODUCT DESCRIPTION

Overview

The aim of this document is to present the possible and recommended hardware

solutions useful for developing a product with the Telit FN990 Family M.2 module.

FN990 Family is Telit’s platform for the M.2 module for applications, such as M2M

applications and industrial IoT device platforms, based on the following technologies:

 5G sub-6 / 4G / 3G networks for data communication

 Designed for industrial grade quality

Front-end for mobile products, offering mobile communication features to an external

host CPU through its rich interfaces.

FN990 Family is available in hardware variants as listed in the APPLICABILITY TABLE.

The designated RF band set for each variant are detailed in Section 2.2. Frequency Bands

and CA / EN-DC Combinations.

Frequency Bands and CA / EN-DC Combinations

2.2.1. Frequency Bands

Operating frequencies in 5G, LTE and WCDMA modes conform to 3GPP specifications.

The table below lists the FN990 operating frequencies on 5G, LTE and WCDMA mode.

5G NR Sub-6 Bands Supportive

NR BAND Duplex Mode Uplink

Frequency (MHz)

Downlink

Frequency (MHz)

Channels SCS

(kHz)

n1 - 2100 FDD 1920 - 1980 2110 - 2170 Tx: 384000 - 396000

Rx: 422000 - 434000 15

n2 - 1900 PCS FDD 1850 - 1910 1930 - 1990 Tx: 370000 - 382000

Rx: 386000 - 398000 15

n3 - 1800 FDD 1710 - 1785 1805 - 1880 Tx: 342000 - 357000

Rx: 361000 - 376000 15

n5 - 850 FDD 824 - 849 869 - 894 Tx: 164800 - 169800

Rx: 173800 - 178800 15

n7 - 2600 FDD 2500 - 2570 2620 - 2690 Tx: 500000 - 514000

Rx: 524000 - 538000 15

n8 - 900 FDD 880 - 915 925 - 960 Tx: 176000 - 183000

Rx: 185000 - 192000 15

n20 - 800 FDD 832 - 862 791 - 821 Tx: 166400 - 172400

Rx: 158200 - 164200 15

n25 -1900+ FDD 1850 - 1915 1930 - 1995 Tx: 370000 - 383000

Rx: 386000 - 399000 15

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