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SL869T3-I Product User Guide

1VV0301546 Rev. 3

Page 7 of 68

2021-03-31

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Содержание SL869T3-I

Страница 1: ...SL869T3 I Product User Guide 1VV0301546 Rev 3 2021 03 31 Telit Technical Documentation...

Страница 2: ...SL869T3 I Product User Guide 1VV0301546 Rev 3 Page 2 of 68 2021 03 31 APPLICABILITY TABLE PRODUCTS SL869T3 I...

Страница 3: ...am 11 2 3 Module Photo 12 3 EVALUATION KIT EVK 13 4 PRODUCT FEATURES 14 4 1 GPS L1 C A and NavIC L5 Navigation 14 4 2 Quasi Zenith Satellite System QZSS Support 14 4 3 Satellite Based Augmentation Sys...

Страница 4: ...T PERFORMANCE 20 5 1 Horizontal Position Accuracy 20 5 2 Time to First Fix 20 5 3 Sensitivity 21 6 MESSAGE INTERFACE 22 6 1 NMEA Output Messages 22 6 1 1 NMEA Standard Messages 22 6 1 2 Proprietary Me...

Страница 5: ...8 8 I O Port Operation 33 8 8 1 UART Port Operation 33 8 8 1 1 UART0 TX RX Pins 20 21 33 8 8 1 2 UART1 UART1_TX RX Pins 6 5 34 8 8 1 3 UART2 UART2_TX RX Pins 14 15 34 8 8 2 I2C Port Operation 34 8 9...

Страница 6: ...king and Serialization 49 13 2 Product Packaging 50 13 3 Moisture Sensitivity 51 13 4 ESD Sensitivity 53 13 5 Reflow 53 13 6 Assembly Considerations 53 13 7 Washing Considerations 53 13 8 Safety 54 13...

Страница 7: ...Software Copyrights 59 17 2 Usage and Disclosure Restrictions 60 17 2 1 License Agreements 60 17 2 2 Copyrighted Materials 60 17 2 3 High Risk Materials 60 17 2 4 Trademarks 61 17 2 5 Third Party Rig...

Страница 8: ...contact technical support services technical questions and report of documentation errors contact Telit Technical Support at TS EMEA telit com TS AMERICAS telit com TS APAC telit com TS SRD telit com...

Страница 9: ...s 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 1 Symbol Conventions All dates are...

Страница 10: ...IC receiver module including memory TCXO RTC LNA SAW Filters Diplexer L5 RF chip and DC blocking capacitor Based on the STMicroelectronics Teseo III engine with ARM946 CPU By default constellations su...

Страница 11: ...on channels Supported by evaluation kits 40 C to 85 C industrial temperature range Surface mountable by standard SMT equipment 24 pad 16 0 x 12 2 x 2 4 mm Industry Standard LCC castellated edge packag...

Страница 12: ...SL869T3 I Product User Guide 1VV0301546 Rev 3 Page 12 of 68 2021 03 31 2 3 Module Photo Figure 2 2 SL869T3 I Module Photo...

Страница 13: ...6 Rev 3 Page 13 of 68 2021 03 31 3 EVALUATION KIT EVK The Evaluation Kit EVK contains the necessary items to assist the customer in evaluating the module for inclusion in a design Figure 3 1 Evaluatio...

Страница 14: ...geostationary satellites to transmit regional corrections via a GNSS compatible signal SBAS is enabled by default but can be disabled by command 4 3 1 SBAS Corrections The SBAS satellites transmit a s...

Страница 15: ...ver will eliminate that satellite from the solution 4 6 Jamming Mitigation The Adaptive Notch Filter ANF facility reduces the receiver s susceptibility to jamming signals The ANF is enabled for the GP...

Страница 16: ...N in an NMEA proprietary message If the Antenna Sense feature detects a SHORT condition the Antenna Enable output will be set low in order to protect the active antenna 4 13 Power Management Modes Dur...

Страница 17: ...s operation with a cold start using assist data if available WAKEUP Resumes operation with a hot start assuming that the required data is available Not applicable for the active cyclic standby command...

Страница 18: ...ssive Cyclic STANDBY mode for a specified amount of time NMEA output is not transmitted and NMEA commands are not processed The module enters a low current state until the specified time expires Then...

Страница 19: ...reviously applied to the module but is now removed Exit Apply Vcc 4 14 Serial I O Ports The module includes three serial ports and an I2C port 4 14 1 UART The UART ports can be used for sending data a...

Страница 20: ...ical CEP m GPS 2 3 NavIC only 2 8 Test Conditions Open Sky Full Power mode Table 5 1 SL869T3 I Horizontal Position Accuracy 5 2 Time to First Fix Time to First Fix Constellation Start Type Typical TTF...

Страница 21: ...on 162 Tracking 163 NavIC Only Acquisition 145 Navigation 161 Tracking 162 GPS NavIC Acquisition 146 Navigation 162 Tracking 162 Glonass Only Acquisition 143 Navigation 159 Tracking 161 Galileo Only A...

Страница 22: ...communication protocol is NMEA 0183 V3 01 6 1 1 NMEA Standard Messages The following messages are issued by the default configuration Message ID Description RMC GNSS Recommended Minimum navigation da...

Страница 23: ...ion TG Time Information Number of satellites used in navigation TS Information for tracked satellites PRES VRES Position Velocity residual SBAS SBAS CPU CPU utilization and clock frequency NOTCHSTATUS...

Страница 24: ...used internally The SL869T3 I has two receive paths The first path handles GPS Galileo QZSS and SBAS satellites These can be enabled in any combination or disabled totally The second path can be Glona...

Страница 25: ...hrough a 1K resistor 4 Apply main power 5 Clearing the entire flash memory prior to re programming is strongly recommended 6 Run the software utility to re flash the module Wait for normal completion...

Страница 26: ...Diagram Note Tip The WAKEUP input is not available on part numbers SL869T3I001R001 SL869T3I001T001 SL869T3I001R002 and SL869T3I001T002 in which case Pin 7 is Reserved 8 2 SL869T3 I Pin out Table Pad N...

Страница 27: ...ART2 Receive 16 ANT2 I Antenna sense 2 17 ANT1 I Antenna sense 1 18 I2C _SDA I O I2C Data 19 I2C _SCL I O I2C Clock 20 TX O Primary UART Transmit 21 RX I Primary UART Receive 22 VBATT PWR Battery Back...

Страница 28: ...Input capacitance digital output 8 pF Table 8 2 DC Characteristics 8 4 Absolute Maximum Ratings Parameter Pins Max Rating Units RF Input Power All RF inputs 5 dBm ESD Voltage CDM JESD22 C101E All Pin...

Страница 29: ...er Requirements for power specifications Pin 9 is connected to pin 23 by an internal trace and may optionally be connected to the external supply for pin 23 8 5 2 VBATT The Battery Backup supply volta...

Страница 30: ...IC 270 319 mW Tracking GPS Only 190 240 mW NavIC only 229 285 mW GPS NavIC 254 313 mW Operating temperature 25 C Vcc and Vbatt Supply voltages 3 3 VDC nominal Full power mode Table 8 5 Power Consumpti...

Страница 31: ...s or more then release will clear the contents of SRAM and RTC The module will begin operation with a cold start after nRESET is released Warning Since the BOOT SELECT pin is read when nRESET is relea...

Страница 32: ...is not available for part numbers SL869T3I001R001 SL869T3I001T001 SL869T3I001R002 and SL869T3I001T002 in which case this is a RESERVED pin 8 6 5 1PPS 1PPS is a one pulse per second signal which is en...

Страница 33: ...L OPEN or SHORT This message can be configured to be output periodically or whenever the status changes The Antenna Sense application note is available under a Non Disclosure Agreement 8 8 I O Port Op...

Страница 34: ...eration 8 8 2 I2C Port Operation The I2C port on pins 18 and 19 is not used by the default configuration of the firmware When the port is configured for the I2C operations the following features are s...

Страница 35: ...he module s RF input Warning The maximum total external gain is 24 dB including all external gain that is antenna gain external LNA gain and any passive losses due to cables connectors filters matchin...

Страница 36: ...rk well with a passive or active GNSS antenna If the antenna cannot be located near the module e g 1 m then an active antenna that is an antenna with a built in low noise amplifier should be used The...

Страница 37: ...the satellite is 5 degrees or more above the horizon In actual practice the GPS satellites transmit slightly more power than specified and the signal level typically increases if a satellite has high...

Страница 38: ...ehicle glass can attenuate the GNSS signal by as much as 15 dB Again both of these factors will affect the performance of the receiver Multipath interference is a phenomenon where the signal from a pa...

Страница 39: ...in low noise amplifier LNA to overcome RF trace and cable losses Many active antennas also have a pre select filter a post select filter or both Important specifications for an active antenna LNA are...

Страница 40: ...r those satellites with a signal level below about 135 dBm a higher gain antenna would amplify the signal and improve the performance of the GNSS receiver In the case of very weak signals a good anten...

Страница 41: ...capacitance from large component pads can induce additional RF losses It may be necessary to ask the PCB vendor to generate a new PCB stackup and suggested trace width that is closer to the component...

Страница 42: ...receive the GNSS signals There are two solutions one is to move the antenna away from the source of interference and the other is to shield the digital interference source to prevent it from getting...

Страница 43: ...resonance The choice between the two would be determined by RF path loss introduced either by the inductor or by the quarter wave stub Cost of the inductor Space availability for the quarter wave stu...

Страница 44: ...hin the module The RF input is connected to a GNSS antenna that receives both L1 and L5 bands The reference design shows a DC power feed for an active antenna The inductor L1 is chosen to be self reso...

Страница 45: ...up and whenever the status changes The two comparators which read the Ant1 and ANT2 pins are designed with hysteresis so the rising and falling thresholds are not identical This circuit assumes an ant...

Страница 46: ...y 1 57542 GHz to minimize loading on the RF trace Capacitor C5 is also chosen to be self resonant at the GPS frequency such that it is close to an RF short at that frequency V_ANT is the supply voltag...

Страница 47: ...SL869T3 I Product User Guide 1VV0301546 Rev 3 Page 47 of 68 2021 03 31 11 MECHANICAL DRAWING Figure 11 1 SL869T3 I Mechanical Drawing Figure 11 2 3 D Mechanical Drawing...

Страница 48: ...er Guide 1VV0301546 Rev 3 Page 48 of 68 2021 03 31 12 PCB FOOTPRINT Figure 12 1 SL869T3 I PCB Footprint The module uses advanced packaging with a base metal of copper and an Electroless Nickel Immersi...

Страница 49: ...and its serial number Contact a Telit representative for information on specific module serial numbers Figure 13 1 Product Label Key Description 1 Telit logo 2 Product Name 4 Telit Serial Number 5 Tel...

Страница 50: ...mm reels with 1000 units per reel or Trays with 72 units Each reel or tray is dry packaged and vacuum sealed in a Moisture Barrier Bag MBB with two silica gel packs and a humidity indicator card whic...

Страница 51: ...or repair the device precautionary methods are required to avoid exposure to solder reflow temperatures that can result in performance degradation The Telit module has a moisture sensitivity level rat...

Страница 52: ...must be baked prior to reflow The parts may be baked at 125 C 5 C for 48 hours However the tape and reel cannot withstand that temperature Lower temperature baking is feasible if the humidity level i...

Страница 53: ...020E Table 5 1 Classification Reflow Profiles Although IPC JEDEC J STD 020E allows for three reflows the assembly process for the module uses one of those profiles therefore the module is limited to t...

Страница 54: ...he module itself can withstand standard JEDEC baking procedures 13 8 Safety Improper handling and use of this module can cause permanent damage to it There is also the possible risk of personal injury...

Страница 55: ...temperature of 35 C whichever is less Maximum Vehicle Dynamics By default up to 4G acceleration 2G acceleration supported Requires specific software configuration Table 14 1 Operating Environmental Li...

Страница 56: ...factured in an ISO 9000 2008 accredited facility 15 2 ROHS COMPLIANCE Manufactured in compliance with Directive 2011 65 EU art 16 on the restriction of the use of certain hazardous substances in elect...

Страница 57: ...ensitivity Constellation s State Minimum Signal Level dBm GPS Only Acquisition 146 Navigation 161 Tracking 162 NavIC Only Acquisition 145 Navigation 161 Tracking 162 GPS NavIC Acquisition 146 Navigati...

Страница 58: ...Page 58 of 68 2021 03 31 State Constellation Typ Max Units GPS Only 197 247 mW NavIC only 229 287 mW GPS NavIC 255 313 mW Operating temperature 25 C Vcc and Vbatt Supply voltages 3 3 VDC nominal Full...

Страница 59: ...ily mean that Telit intends to announce such Telit products programming or services in your country 17 1 1 Copyrights This instruction manual and the Telit products described herein may include or des...

Страница 60: ...nt is owned by Telit and its licensors It is furnished by express license agreement only and shall be used exclusively in accordance with the terms of such agreement 17 2 2 Copyrighted Materials The S...

Страница 61: ...CULAR PURPOSE NO THIRD PARTY LICENSORS OF OTHER CODES MUST BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING WITHOUT LIMITATION LOST OF PROFITS HOWEVER...

Страница 62: ...for its use Do not insert or remove the SIM when the product is in power saving mode The system integrator is responsible for the functioning of the final product Therefore the external components of...

Страница 63: ...imate positions See Restart Cold Start Acquisition Sensitivity The lowest signal level at which a GNSS receiver is able to reliably acquire satellite signals and calculate a navigation solution from a...

Страница 64: ...ich is especially designed to add very little noise to the amplified signal Local Ephemeris prediction data Extended Ephemeris i e predicted data calculated by the receiver from broadcast data receive...

Страница 65: ...uses a network of ground stations and geostationary satellites to provide differential corrections to GNSS receivers These corrections are transmitted on the same frequency as navigation signals so t...

Страница 66: ...h American SBAS system developed by the US FAA Federal Aviation Administration Warm Start A warm start occurs when a receiver begins operation with known at least approximately time and position but u...

Страница 67: ...2021 10 24 Clarified status of pins 3 4 20 Updated performance test results Updated power consumption test results Added notes regarding WAKEUP unavailability in older module versions PNs Added SAW fi...

Страница 68: ......

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