Telit Wireless Solutions FN990 Series - Page 36

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FN990

Family Hardware Design Guide

1VV0301752 Rev. 3 Page 36 of 92 2022-10-07

Not Sub

ect to NDA

Figure 3: FN990 Family Power ON Sequence - USB mode (USB_PCIE_SWITCH: High, Default)

Main Page

Applicability Table2
Table of Contents3
Contents3
Introduction8
Scope8
Audience8
Contact Information, Support8
Symbol Conventions9
Related Documents9
General Product Description10
Overview10
Frequency Bands and CA / EN-DC Combinations10
Frequency Bands10
Ca / Mimo / En-DC13
Target Market13
Main Features14
Configurations Pins15
Block Diagram16
RF Performance16
Conducted Transmit Output Power16
Conducted Receiver Sensitivity17
Mechanical Specifications20
Dimensions20
Weight20
Environmental Requirements20
Temperature Range20
Rohs Compliance21
Pins Allocation22
Pin-Out22
FN990 Family Signals that Must be Connected25
Pin Layout26
Power Supply27
Power Supply Requirements27
Power Consumption27
General Design Rule28
Electrical Design Guidelines29
Source Power Supply Design Guidelines29
Thermal Design Guidelines29
Power Supply PCB Layout Guidelines30
Rtc31
Reference Voltage31
Internal LDO for GNSS Bias31
Electrical Specifications32
Absolute Maximum Ratings - Not Optional32
Recommended Operating Conditions32
Digital Section33
Logic Levels33
Pins - Absolute Maximum Ratings33
Standard Gpios33
UIM1/UIM2 Pins33
Pins - Absolute Maximum Ratings34
SIM Card Pins34
VPH_PWR Level I/O Pins34
Power ON/OFF/RESET34
Power on35
Initialization and Activation State35
Power off38
Graceful Shutdown39
Fast Shutdown40
Reset42
Unconditional Hardware Reset42
Communication Ports44
Host Interface44
Host Interface Switch Function44
Pcie Interface45
USB 3.1 Interface48
SIM Interface50
SIM Schematic Example51
Esim Interface51
I2C - Inter-Integrated Circuit52
Control Interface52
WLAN/GNSS Disable52
Led53
Wake Host54
Dpr54
General Purpose I/O55
Using a GPIO as INPUT55
Using a GPIO as OUTPUT56
Rf Section57
Antenna Interface57
Antenna Configuration57
Antenna Connector61
Antenna Requirements62
Antenna Cable62
Antenna Installation Guidelines63
GNSS Receiver63
GNSS RF Front End Design64
GNSS Characteristics65
Mechanical Design66
General66
Finishing & Dimensions66
Drawing66
Solder Resist Opening Area and Keepout Area66
Application Guide68
Debug of the FN990 Family Module in Production68
Bypass Capacitor on Power Supplies68
EMC Recommendations69
Packaging70
Tray70
Approvals Compliance Summary72
Americas Approvals73
Usa Fcc73
FCC Certificates73
Applicable FCC Rules73
FCC Regulatory Notices73
FCC Antenna Info75
Canada ISED77
ISED Database77
Applicable ISED Rules / Liste des Règles ISDE Applicables77
ISED Regulatory Notices / Avis Réglementaires D'isde77
APAC Approvals81
Japan Approvals81
JRL/JTBL Regulatory Notices82
EMEA Approvals82
Eu Red82
EU Declaration of Conformity82
RED Antennas82
Rohs and REACH Info84
Rohs Info84
REACH Info84
Product and Safety Information85
Copyrights and Other Notices85
Copyrights85
Computer Software Copyrights85
Usage and Disclosure Restrictions86
License Agreements86
Copyrighted Materials86
High Risk Materials86
Trademarks87
3Rd Party Rights87
Waiwer of Liability87
Safety Recommendations88
Glossary89
Document History91

Telit Wireless Solutions FN990 Series - Page 36

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