Micro-Spider-ORG4475-Datasheet1
Contents
1. 16 1542 PUSHTON 16 15 4 3 ADVANCED POWER MANAGEMENT 17 15 4 4 SiRFAWARE MICRO POWER MODE a 17 16 EXTENDED FEATURES SA AS SLAI A AA 9 18 16 1 ALMANAC BASED POSITIONING aA A AA S A AE EA AEE Ea an n 18 16 2 JAMMER DETECTOR AND REMOVER terere E EEA EEA EA EA teta Ea annn 18 16 3 CLIENT GENERATED EXTENDED EPHEMERIS CGEE cccsscecececscscscscsscecscscscscscsvsscecscscsessaavsssssssssasssavacsceeacacees 18 16 4 SERVER GENERATED EXTENDED EPHEMERIS SGEE 18 17 9 9 9 9 19 17 1 ASSIGNMENT 9 ULKA LS AL SS SEAI S 99 19 172 20 20 17 2 2 GROUND 20 i173 RFINPUT 20 1731 PASSIVE 20 17 3 2 ACTIVE ANTENND 20 17 4 CONTROL INTERFACE cccscsccssscscscscscsucecssscscscasscsusscscscsavavavssessssssscasavavsususasasssaavavsssusasasasasavavasessasasasasavavaveeacacaes 21 17 4 12. 28 TABLE 13 Si Pide INI Co cH 29 TABLE 14 SUMMAR Y e 31 TABLE m T 32 TABLE 16 CARRIER TAPE DIMENSIONS ck RUNE invia 33 TABLE REEE DIVENSION Tv 33 TABLE AG I 5 5 50 8 03 0 34 TABLE 19 ORDERABLE DEV GE Sia NR AD ORE aS UD SANI I NUM 34 FIGURE INDEX FIGURE ORGAS S ARCHITECTURE dada AD bt VESPA EEROR 9 FIGURE 2 SiRFstarlV GSD4e GPS SoC BLOCK 1 6 10 C 16 aie ERES CHTMT 16 FIGURE 5 ed MUI Lor M 17 FIGURE 6 ice 17 FIGURE 18 FIGURE PAD ASSIGNMEN r 19 FIGURE 9 0N OFF TIMING 5 5 5 5 21 FIGURE 10 SCHEMATIC DIAGRAM OF PASSIVE ANTENNA WITH EXTERNAL L
3. 21 T NIB 21 Page 2 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty BS icr 17 4 4 UPPS ccccccceccccscsscscscescscscsscscscscescacscuscasssesvasssusvasssessasssuavassssavasacsssasassavasasssvasasessasasssvasasussasassssasasessacassavacatacacseeecaees 17 5 INTERFACE 51 17 5 2 17 5 3 E a oE 18 TYPICAL APPLICATION CIRCUIT 18 1 PASSIVE ANTENNA 23 18 2 PASSIVE ANTENNA WITH EXTERNAL 23 18 ACTIVE ANTENNA ee W W w w AA emR I mRCC 23 18 4 ANTENNA SWITCH 23 19 RECOMMENDED PCB 1 24 19 1 24 19 2 25 Do 25 19 4 5 25 19 5 PCB LAYOUT 5 25 20 DESIGN 26 21 27 21 1 STARTING THE 27 21 2 AUTONOMOUS POWE
4. 32 26 2 33 26 3 REEL ccccccccececsssececsssscecsscacscecsecscscsacacecsasacsssasacscsasacscsasacsssaacsssasaesssacacsssacacsssacacsssacacsssacacsesacaesssavacessavacsssacacescasaeeees 33 27 ORDERING 0 9 9 34 Page 3 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty TABLE INDEX TABLE 1 RELATED DOCUMENTATION DIUI vU MA A a 5 Imus 5 TABLE 3 ABSOLUTE MAXIMUM RATINGS 11 TABLE 4 RECOMMENDED OPERATING CONDITIONS 12 TABLE 3 45 5 245 13 13 TABLE Pa 14 0 iiis P iR 14 TABLE 9 POWER CONSUMPTION etin a Ei RUN 15 TABLE es rere rr rrr rer srr tr err rer rrr er errr Ten re rer terre 19 SELBE 22 TABLE 12 START UP TIMING c
5. TABLE 12 START UP TIMING 21 2 AUTONOMOUS POWER ON Connecting WAKEUP output pad 2 to ON OFF input pad 10 enables self start to Full Power state from Ready To Start state following boot process When host data interface is set UART module will start autonomously transmitting NMEA messages after first power supply application Further transfers between Full Power and Hibernate states require external logic circuitry combined with serial command 21 3 VERIFYING THE MODULE HAS STARTED WAKEUP output will go high indicating ORG4475 has started System activity indication depends upon selected serial interface The first message to come out of module is TO SEND SPSRF150 1 3E 21 3 1 UART When active the module will output NMEA messages at the 4800bps 21 3 2 In Multi Master mode with no bus contention the module will spontaneously send messages In Multi Master mode with bus contention the module will send messages after the 17 bus contention resolution process allows it to send 21 3 3 SPI Since ORG4475 is SPI slave device there is no possible indication of system ready through SPI interface Host must initiate SPI connection approximately 1s after WAKEUP output goes high 21 4 SHUTTING DOWN THE MODULE Transferring module from Full Power state to Hibernate state can be initiated in two ways F By a pulse on ON OFF input By NMEA SPSRF117 or OSP MID205 serial message Orde
6. RXused for receiver control Input logic high voltage level is 1 45V tolerable up to 3 6V UART flow control using CTS and RTS lines is disabled by default Can be turned on by sending OSP Message ID 178 Sub ID 2 input command 17 5 2 SPI SPI host interface features are Slave SPI Mode 1 supports clock up to 6 8MHz RX and have independent 2 byte idle patterns of OxA7 OxB4 TXand RX each have independent 1024 byte FIFO buffers TXFIFO is disabled when empty and transmits its idle pattern until re enabled RXFIFO detects a software specified number of idle pattern repeats and then disables FIFO input until the idle pattern is broken FIFO buffers can generate an interrupt at any fill level SPI detects synchronization errors and can be reset by software Output is LVCMOS 1 8V compatible Inputs are tolerable up 3 6V 17 5 3 host interface features are CMulti Master Mode module initiates clock and data operating speed 400kbps address 0 60 for RX and 0x62 for TX Individual transmit and receive FIFO length of 64 bytes host interface mode can be switched slave Multi master default clock rate can be switched 100KHz default 400KHz address can be changed default Ox62 for TX FIFO and 0x60 for RX FIFO by sending OSP Message ID 178 Sub ID 2 input command SCL and SDA are pseudo open drain lines therefore require external pull up resistors of 2 2 to 1 8V o
7. OriginGPS mini mighty x Origine ine MICRO SPIDER ORG4475 GPS RECEIVER MODULE Datasheet OriginGPS com OriginG pst mini mighty INDEX 1 SCOPE 5 2 5 3 SAFETY INFORMATION 5 4 ESD 5 5 CONTACT INFORMATION 5 6 RELATED DOCUMENTATION ERR 5 7 REVISION HISTORY ccccccccocecscscsesscscscscscscsucucscscscscavavsssusscacscavavavessssssacacavavassssasasacasavavavsssasasssavavavsusacacasssavavaveeueacees 5 8 TE 6 9 Th 7 10 ABOUT MICRO SPIDER MODULE 7 11 ABOUT 7 12 TON NE E 8 MEE uU 8 13 ELECTRICAL 5 5 11 13 1 ABSOLUTE MAXIMUM RATINGS 11 13 2 RECOMMENDED OPERATING 5 12 14 0 9 9 9 9 13 14 1 9 99 9 13 Pv eu mn 13 14 1 2 WARM 5 6 ALAA A AA AI UAA ES SE 9 99
8. 99 13 14 1 3 COLD START 13 ira TI 13 14 2 9 9 9 9 9 9 9 9 9 13 A 14 14 4 DYNAMIC CONSTRAINS eee akkad nkkan ak a ua kn AA A AA AA U KAA S AI 9 9 14 15 POWER Durata aE a De aere 15 15 1 POWER nkuna a nA aA AAAA ES AEEA EA annn 15 15 2 POWER RS NS 15 15 2 1 FULL POWER ACQUISITION treten 9 99 15 1529 FULL POWER TRACKING 15 15 2 3 8 9 9 9 9 15 15 2 4 STANDBY v ccccccccccscscscscscscscsesecscscscscscsvsusscssscscscavavsusasasssasavavavsssusasssacacavavsueusssasacaavavavsssasasasasavavaveseasasasasavavaveeacacees 15 15006 15 15 3 BASIC POWER SAVING 9 9 15 15 4 SELF MANAGED POWER SAVING akkad dkak ank nkan an aA An A AA ES AEEA ES EA EEA Ea a nn 16 15 4 1 ADAPTIVE TRICKLE POWER ATP
9. With ABP mode enabled the user can get shorter Cold Start TTFF as tradeoff with position accuracy When no sufficient ephemeris data is available to calculate an accurate solution a coarse solution will be provided where the position is calculated based on one or more of the GPS satellites having their states derived from the almanac data Data source for ABP may be either stored factory almanac broadcasted or pushed almanac 16 2 ACTIVE JAMMER DETECTOR AND REMOVER Jamming Detector is embedded DSP software that detects interference signals in GPS L1 band Jamming Remover is another DPS software that sort out Jamming Detector output mitigating up to 8 interference signals of Continuous Wave CW type up to 80dB Hz each Power dB Hz 1570 1571 1 572 1573 1574 1575 1576 1577 1578 1579 1580 FIGURE 7 ACTIVE JAMMER DETECTOR FREQUENCY PLOT 1 z GHz 16 3 CLIENT GENERATED EXTENDED EPHEMERIS CGEE CGEE feature allows shorter TTFFs by providing predicted synthetic ephemeris files created within a lost host system from previously received satellite ephemeris data The prediction process requires good receipt of broadcast ephemeris data for all satellites EE files created this way are good for up to 3 days and then expire CGEE feature requires avoidance of power supply removal CGEE data files are stored and managed by host 16 4 SERVER GENERATED EXTENDED 5 SGEE SGEE enables
10. temperature sensor for reference clock compensation battery backed SRAM for satellite data storage voltage supervisor with POR PLL controller GPIO controller 48 bit RTC timer and alarms CPU watchdog monitor Auxiliary subsystem interfaces navigation subsystem PLL and PMU subsystems PMU subsystem containing voltage regulators for RF and baseband domains Page 10 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 13 ELECTRICAL SPECIFICATIONS 13 1 ABSOLUTE MAXIMUM RATINGS Stresses exceeding Absolute Maximum Ratings may damage the device vos ww pem pum HBM method 2000 42000 I O pads 5 Vio Esb ESD Rating RF input pad Vnr EsD PEEL RF Input Power Par O o 1 TABLE 3 ABSOLUTE MAXIMUM RATINGS Notes 1 Inrush current of up to 100mA for about 205 duration 2 Human Body Model HBM contact discharge per EIA JEDEC JESD22 A114D 3 Charged Device Model CDM contact discharge per EIA JEDEC JESD22 C101 4 Lead temperature at 1mm from case for 10s duration Page 11 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 13 2 RECOMMENDED CONDITIONS Exposure to stresses above the Recommended Operating Conditions may affect device reliability PARAMETER SYMBOL EN TEST CONDI
11. with minimal design risks Just connect an antenna and power supply on a 2 layer PCB 10 ABOUT MICRO SPIDER MODULE Micro Spider is a complete SiP featuring LGA SMT footprint designed to commit unique integration features for high volume cost sensitive applications Designed to support ultra compact applications such as smart watches wearable devices trackers and digital cameras Micro Spider ORG4475 module is a miniature multi channel GPS with SBAS QZSS and other regional overlay systems receiver that continuously tracks all satellites in view providing real time positioning data in industry s standard NMEA format Micro Spider ORG4475 module offers superior sensitivity and outstanding performance achieving rapid TTFF in less than one second accuracy of approximately two meters and tracking sensitivity of 163dBm Sized only 5 6mm x 5 6mm Micro Spider ORG4475 module is industry s small sized record breaking solution ORG4475 module integrates LNA SAW filter TCXO RTC crystal and RF shield with market leading SiRFstarlV GPS SoC Micro Spider ORG4475 module is introducing industry s lowest energy per fix ratio unparalleled accuracy and extremely fast fixes even under challenging signal conditions such as in built up urban areas dense foliage or even indoor Integrated GPS SoC incorporating high performance microprocessor and sophisticated firmware keeps positioning payload off the host allowing integration in embedded
12. Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 24 MECHANICAL SPECIFICATIONS ORG4475 module has advanced ultra miniature LGA SMD packaging sized 5 6mm x 5 6mm F ORG4475 built on a PCB assembly enclosed with metallic RF shield box On bottom side there are 19 LGA SMT pads with Cu base and ENIG plating ORG4475 module supports automated pick and place assembly and reflow soldering processes BOTTOM VIEW N SIDE VIEW TOP VIEW E NEM MEE 0 055 1 400 FIGURE 20 MECHANICAL DRAWING Dimensions Length 0 220 5 590 Pad 1 mark 5 59 0 10 0 05 5 59 0 10 0 05 1 4 0 1 0 0 0 220 0 004 0 002 0 220 0 004 0 002 0 055 0 004 0 0 TABLE 14 MECHANICAL SUMMARY 25 COMPLIANCE The following standards are applied on the production of ORG4475 modules 6011 6012 Class2 for PCB manufacturing IPC A 600 Class2 for PCB inspection IPC A 610D Class2 for SMT acceptability ORG4475 modules are manufactured in ISO 9001 2008 accredited facilities ORG4475 modules are manufactured in ISO 14001 2004 accredited facilities ORG4475 modules are manufactured in OHSAS 18001 2007 accredited facilities ORG4475 modules are designed manufactured and handled in compliance with the Directive b 2011 65 EU of the European Parliament and of the Council of June 2011 on the Restriction of the use of certain Hazardous Substances in el
13. and specifications of Micro Spider ORG4475 GPS receiver module 2 DISCLAIMER All trademarks are properties of their respective owners Performance characteristics listed in this document do not constitute a warranty or guarantee of product performance OriginGPS assumes no liability or responsibility for any claims or damages arising out of the use of this document or from the use of integrated circuits based on this document OriginGPS assumes no liability or responsibility for unintentional inaccuracies or omissions in this document OriginGPS reserves the right to make changes in its products specifications and other information at any time without notice OriginGPS reserves the right to conduct from time to time and at its sole discretion firmware upgrades As long as those FW improvements have no material change on end customers PCN may not be issued OriginGPS navigation products are not recommended to use in life saving or life sustaining applications 3 SAFETY INFORMATION Improper handling and use can cause permanent damage to the product 4 ESD SENSITIVITY This product is ESD sensitive device and must be handled with care 2 4 5 CONTACT INFORMATION Support info 2origingps com or Online Form Marketing and sales marketing origingps com Web www origingps com 6 RELATED DOCUMENTATION M oocumenrname OOO Seder ana Hoet Application noe _ s Seder Hoet Jammer Detector a
14. for Wi Fi Bluetooth RFID cellular and other radios may have antennas physically close to the GPS antenna To prevent degraded performance of ORG4475 OriginGPS recommends performing EMI jamming susceptibility tests for radiated and conducted noise on prototypes and assessing risks of other factors Antennas for GPS and GLONASS have a wider bandwidth than pure GPS antennas Some wideband antennas may not have a good axial ratio to block reflections of RHCP GPS and GLONASS signals These antennas have lower rejection of multipath reflections and tend to degrade the overall performance of the receiver Designing with passive antenna require RF layout skills and can be challenging Contact OriginGPS for application specific recommendations and design review services Page 26 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 21 OPERATION When power is first applied ORG4475 goes into a Hibernate state while integrated RTC starts and internal Finite State Machine FSM sequences though to Ready to Start state Host is not required to control external master nRESET since module s internal reset circuitry handles detection of power application While in Ready to Start state ORG4475 awaits a pulse to the ON_OFF input Since integrated RTC startup times are variable host is required either to wait for a fixed interval or to monitor a short Low High Low pulse on WAKEUP output that in
15. solutions with low computing resources Innovative architecture can detect changes in context temperature and satellite signals to achieve a state of near continuous availability by maintaining and opportunistically updating its internal fine time frequency and satellite ephemeris data while consuming mere microwatts of battery power 11 ABOUT ORIGINGPS OriginGPS is a world leading designer manufacturer and supplier of miniature positioning modules antenna modules and antenna solutions OriginGPS modules introduce unparalleled sensitivity and noise immunity by incorporating Noise Free Zone system NFZ proprietary technology for faster position fix and navigation stability even under challenging satellite signal conditions Founded in 2006 OriginGPS is specializing in development of unique technologies that miniaturize RF modules thereby addressing the market need for smaller wireless solutions Page 7 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 12 DESCRIPTION 12 1 FEATURES F Autonomous operation OriginGPS Noise Free Zone System NFZ technology t Fully integrating LNA SAW Filter TCXO RTC Crystal RF Shield GPS SoC Power Management Unit Active or Passive antenna support GPS 11 1575 42 frequency C A code F SBAS WAAS EGNOS MSAS and OZSS support 48 channels Ultra high Sensitivity down to 163dBm enabling Indoor Tracking TTFF of lt 1s in 5
16. 096 of trials under Hot Start conditions Low Power Consumption of lt 9mW ATP mode High Accuracy of 2 5m in 5096 of trials t High update rate of 5Hz 1Hz by default Autonomous A GPS by Client Generated Extended Ephemeris CGEE for non networked devices Predictive A GPS by Server Generated Extended Ephemeris SGEE for connected devices Ephemeris Push for storing and loading broadcast ephemeris F Host controlled power saving mode Self managed low power modes ATP PTF APM and SiRFAware MPM Almanac Based Positioning ABP Multipath and cross correlation mitigation Active Jammer Detector and Remover Fast Time Synchronization for rapid single satellite time solution ARM7 microprocessor system Selectable UART SPI or host interface NMEA protocol by default switchable into One Socket Protocol OSP F Programmable baud rate and messages rate 1PPS output F Antenna input DC blocked and matched 500 Single voltage supply t Ultra small LGA footprint of 5 6mm x 5 6mm F Surface Mount Device SMD F Optimized for automatic assembly and reflow processes Operating from 40 C 85 C FCC CE VCCI certified RoHS II REACH compliant Page 8 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 12 2 ARCHITECTURE Voc 1 8V Power WAKEUP RF P Management RESET GPS Search Track R
17. 30dBm and ambient temperature of 25 C 2 Speed over ground lt 30m s 3 Standard dynamic constrains according to regulatory limitations Page 14 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 15 POWER MANAGEMENT 15 1 POWER CONSUMPTION Acquisition w Low Power Tracking ATP 100ms Full Power 1s tracking m Basic Power saving mode 5min Hibernate 10s tracking m Hibernate UW TABLE 9 POWER CONSUMPTION 15 2 POWER STATES 15 2 1 FULL POWER ACQUISITION ORG4475 module stays in Full Power Acquisition state until a reliable position solution is made 15 2 2 FULL POWER TRACKING Full Power Tracking state is entered after a reliable position solution is achieved During this state the processing is less intense compared to Full Power Acquisition therefore power consumption is lower Full Power Tracking state with navigation update rate at 5Hz consumes more power compared to default 1Hz navigation 15 2 3 CPU ONLY CPU Only is the transitional state of ATP power saving mode when the RF and DSP sections are partially powered off This state is entered when the satellites measurements have been acquired but navigation solution still needs to be computed 15 2 4 STANDBY Standby is the transitional state of ATP power saving mode when RF and DSP sections are completely powered off and baseband clock is stopped 15 2 5 HIBERNATE ORG4475 modu
18. EACH Registration Evaluation Authorisation and Restriction of Chemical substances RF Radio Frequiency RHCP Right Hand Circular Polarized ROHS Restriction of Hazardous Substances directive ROM Read Only Memory RTC Real Time Clock SAW Surface Acoustic Wave SBAS Satellite Based Augmentation Systems SGEE Server Generated Extended Ephemeris SIP System In Package SMD Surface Mounted Device SMT Surface Mount Technology SOC System On Chip SPI Serial Peripheral Interface TCXO Temperature Compensated Crystal Oscillator TTFF Time To First Fix TTL Transistor Transistor Logic UART Universal Asynchronous Receiver Transmitter WAAS Wide Area Augmentation System Page 6 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 9 ABOUT SPIDER FAMILY OriginGPS GNSS receiver modules have been designed to address markets where size weight stand alone operation highest level of integration power consumption and design flexibility all are very important OriginGPS Spider family breaks size barrier offering the industry s smallest fully integrated highly sensitive GPS and GNSS modules Spider family features OriginGPS proprietary NFZ technology for high sensitivity and noise immunity even under marginal signal condition commonly found in urban canyons under dense foliage or when the receiver s position in space rapidly changes Spider family enables the shortest TTM Time To Market
19. EM E TX SPI MISO 126 SC SMA EM E 14 P 5 UART i MI 12 5 OriginGPS a ae nRESET GPS 5 RESET RX 7 RX GPS 6 10 UART RX SPI MOSI 12 SDA ON GPS 220R OFF y 5 10 MURATA R6 WAKEUP GP 6 UP GPS2 WAKEUP 13 NFA31GD1004704 1PPS GP S_GPS 9 GND GND GND ORIGINGPS gt 1 12 0884475 Ul Inputs are 1 8V 3 6V Outputs are 1 8V FIGURE 11 SCHEMATIC DIAGRAM OF ACTIVE ANTENNA CONNECTION 18 4 ANTENNA SWITCH Contact OriginGPS for Application Note covering dual antenna on board and external design combining RF switch with auto sense DC bias and short circuit protection Page 23 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 19 RECOMMENDED PCB LAYOUT 19 1 FOOTPRINT FIGURE 12 FOOTPRINT Ground paddle at the middle should be connected to main Ground plane by multiple vias Ground paddle at the middle must be solder masked Silk print of module s outline is highly recommended for SMT visual inspection FIGURE 13 MODULE HOSTED ON FOOTPRINT Page 24 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 19 2 HOST PCB FIGURE 14 HOST PCB 19 3 RF TRACE millimeter FIGURE 15 TYPICAL MICROSTRIP PCB TRACE ON FR 4 SUBSTRATE 19 4 PCB STACK UP CS Signals Ground Signals controlled impedance 500 Lo Groun
20. FF When Vcc is removed settings are reset to factory default and the receiver performs Cold Start on next power up 17 2 1 Vec is 1 8V 5 DC and must be provided from regulated power supply Typical lcc is 40mA during acquisition Inrush current can be up to 100mA for about 20us duration whilst VCC can drop down to 1 7V Maximum current in Hibernate state is 15 while all I O lines externally held in Hi Z state Output capacitors are critical when powering module from switch mode power supply Filtering is important to manage high alternating current flows on the power input connection An additional LC filter on module power input may be needed to reduce system noise The high rate of module input current change requires low ESR bypass capacitors Additional higher ESR output capacitors can provide input stability damping The ESR and size of the output capacitors directly define the output ripple voltage with a given inductor size Large low ESR output capacitors are beneficial for low noise Voltage ripple below 50mV gt p is allowed for frequencies between 100KHz to 1MHz Voltage ripple below 15mVp p is allowed for frequencies above 1MHz Voltage ripple higher than allowed may compromise sensitivity parameter 17 2 2 GROUND Ground pads must be connected to host PCB Ground with shortest possible traces or vias 17 3 RF INPUT RF input impedance is 500 DC blocked up to 10V Micro Spider ORG4475 module supports activ
21. NA 0 8 23 FIGURE 11 SCHEMATIC DIAGRAM OF ACTIVE ANTENNA CONNECTION eese mmm 23 FIGURE 12 FOOTPRIN EUER 24 FIGURE 13 MODULE HOSTED ON FOOTPRINT 5 24 FOURE HOST E E 25 FIGURE 15 TYPICAL MICROSTRIP PCB TRACE ON FR 4 SUBSTRATE cccecsscecsscecnscesucceseccssuccsseceseesuseesaseeseseeseceuseees 25 FIGURE 16 TYPICAL PCB STACK UP rtv SUL t P SU rS VL Rr S at 25 0N OFF MING 27 FIGURE 15 Speo ES EU C 27 FIGURE 19 RECOMMENDED VERENA EREPNR E YR PE dT SP 30 FIGURE 20 MECHANICAL DRAWING Iu PU ETPRATE CY SS YVES TC TE IN FER YYS EE VES TU ET PEN YF EE 31 FIGURE MODULE POSITION sake Io pU OX VEM VERF 32 RIGURE 22 CARRIER m 33 FOURE 2 c cd cd ci MR RR ER RR 33 Page 4 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 1 SCOPE This document describes the features
22. OM RAM HF in Correlator Engine SAW Filter UART SPI I2C buffers 1PPS Sample RAM SiRFstarlV GDS4e GPS SoC RTC TCXO FIGURE 1 ORG4475 ARCHITECTURE SAW Filter Band Pass SAW filter eliminates out of band signals that may interfere to GPS reception SAW filter is optimized for low insertion loss in GPS band and low return loss outside it Integrated LNA amplifies GPS signals to meet RF down converter input threshold Noise Figure optimized design was implemented to provide maximum sensitivity TCXO Highly stable 16 369 MHz oscillator controls the down conversion process in RF block of the GPS SoC Characteristics of this component are important factors for higher sensitivity shorter TTFF and better navigation stability F RTC crystal Tuning fork 32 768 KHz quartz crystal with very tight specifications is necessary for maintaining Hot Start and Warm Start capabilities of the module RF Shield RF enclosure avoids external interference from compromising sensitive circuitry inside the module RF shield also blocks module s internal high frequency emissions from being radiated Page 9 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty SiRFstarlV GSD4e GPS SoC SiRFstarlV GSD4e is full SoC built on a low power RF CMOS single die incorporating GPS RF baseband integrated navigati
23. Pulse Per Second PPS output provides a pulse signal for timing purposes PPS output starts when position solution has been obtained using 5 or more GPS satellites PPS output stops when 3D position solution is lost Pulse length high state is 200ms with rising edge is less than 30ns synchronized to UTC epoch The correspondent UTC time message is generated and put into output FIFO 300ms after the PPS signal The exact time between PPS and UTC time message delivery depends on message rate message queue and communication baud rate 1PPS output is 5 1 8V compatible Do not connect if not in use Page 21 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 17 5 DATA INTERFACE ORG4475 module has 3 types of interface ports to connect to host UART SPI or I C all multiplexed on a shared set of pads At system reset host port interface lines are disabled so no conflict occurs Logic values on CTS and RTS are read by the module during startup and define host port type External resistor of 10kQ is recommended Pull up resistor is referenced to 1 8V PORT TYPE CTS RTS UART External pull up Internal pull up SPI default Internal pull down Internal pull up Internal pull down External pull down TABLE 11 HOST INTERFACE SELECT 17 5 1 UART UART host interface features are used for GPS data reports Output logic high voltage level is LVCMOS 1 8V compatible
24. R ON 28 21 3 VERIFYING THE MODULE HAS STARTED 0 28 2184 WHR R 28 ME 28 28 21 4 SHUTTING DOWN THE MODULE 28 22 SINT REC 29 22 1 DEFAULT 5 5 29 22 2 FIRMWARE UPDATES cccscccecescececsscecessscececsscecscsacececsacacscsacacscsacacscsasacsssacacscsacacssacacsesacacssacacssacacessaracseacaneees 29 23 HANDLING 9 9 1 99 30 23 1 MOISTURE SENSITIVITY 30 ME 30 23 3 ccececcsceccecsceccscscsceccacscuscasscussasscssvassesavasscusvasssussasasussassssssasasessasasessassesasassssssasassasacassusacsceasacasescacaceucacseenes 30 23 4 ESD SENSITIVITY c ccccccccecececcecsceccscsceccacscscacscescasscessasssusvasacussasssessasscsasasassasassevasasssessassssssassssasacacessacaseucacaceucacseeees 30 23 5 EAER EEan 30 23 6 DISPOSAL INFORMATION rau et pev ehin ra putem eO 30 24 MECHANICAL 5 6 99 31 25 31 26 PACKAGING AND 9 9 9 9 32 26 1 APPEARANCE
25. TIONS UNIT 7 a 3 ATP Tracking 3 gt Power Supply Current lec CPU only Standby MPM gt o 3 2095995252282 999999927 Hibernate 0 40 oe fin 1575 5MHz RF Input T mw o _ TABLE 4 RECOMMENDED OPERATING CONDITIONS 0 70 Vcc 0 75 Vac w Te Im A m O gt O gt Notes 1 Typical lcc values are under signal conditions of 130dBm and ambient temperature of 25 C Adaptive Trickle Power ATP mode 100 1 Transitional states of ATP power saving mode Average current during SiRFAware Micro Power Mode MPM with valid satellite ephemeris data Er d Longer TTFF is expected while operating below 30 to 40 Page 12 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 14 PERFORMANCE 14 1 ACQUISITION TIME TTFF Time To First Fix is the period of time from the module s power up till position estimation 14 1 1 HOT START Hot Start results either from a software reset after a period of continuous navigation or a return from a short idle period that was preceded by a period of continuous navigation During Hot Start all critic
26. al data position velocity time and satellite ephemeris is valid to the specified accuracy and available in RAM 14 1 2 WARM START Warm Start typically results from user supplied position and time initialization data or continuous RTC operation with an accurate last known position available in RAM In this state position and time data are present and valid but satellite ephemeris data validity has expired 14 1 3 COLD START Cold Start occurs when satellite ephemeris data position and time data are unknown 14 1 4 AIDED START Aided Start is a method of effectively reducing TTFF by making every start Hot or Warm OPERATION Hot Start Aided Start Warm Start Cold Start 35 Signal Reacquisition TABLE 5 ACQUISITION TIME OPERATION VALUE UNIT Tracking dBm 14 2 SENSITIVITY Navigation dBm Star m Cold Start dBm TABLE 6 SENSITIVITY Notes 1 Module is static under signal conditions of 130dBm and ambient temperature of 25 C Page 13 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 14 3 ACCURACY PARAMETER FORMAT MODE VALUE UNIT asses UT ous Horizontal e o Gees om L meas uw os VEP 5096 NE NME RN Vertical n po TABLE 7 ACCURACY 14 4 DYNAMIC CONSTRAINS TABLE 8 DYNAMIC CONSTRAINS Notes 1 Module is 24 hrs static under signal conditions of 1
27. d Ly Signals or Power PS Ground FIGURE 16 TYPICAL PCB STACK UP 19 5 PCB LAYOUT RESTRICTIONS Switching and high speed components traces and vias must be kept away from ORG4475 module Signal traces to from module should have minimum length Recommended minimal distance from adjacent active components is 3mm Ground pads must be connected to host PCB Ground with shortest possible traces or vias In case of tight integration constrain or co location with adjacent high soeed components like CPU or memory high frequency components like transmitters clock resonators or oscillators LCD panels or CMOS image sensors contact OriginGPS for application specific recommendations Page 25 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 20 DESIGN CONSIDERATIONS ORG4475 operates with received signal levels down to 163dBm and can be affected by high absolute levels of RF signals moderate levels of RF interference near the GPS bands and by low levels of RF noise in the GPS band RF interference from nearby electronic circuits or radio transmitters can contain enough energy to desensitize ORG4475 These systems may also produce levels of energy outside of GPS band high enough to leak through RF filters and degrade the operation of the radios in ORG4475 This issue becomes more critical in small products where there are industrial design constraints In that environment transmitters
28. dicates FSM Ready to Start state Another option is to repeat a pulse on the ON OFF input every second until the module starts by either detecting a stable logic high level on WAKEUP output or neither generation of UART messages 21 1 STARTING THE MODULE A pulse on the ON OFF input line when FSM is ready and in startup ready state Hibernate state standby state will command the module to start 40 15 15 min a 0 1 min 3 Turns Turns FIGURE 17 ON OFF TIMING ON OFF detector set requires a rising edge and high logic level that persists for at least 100us ON OFF detector reset requires ON OFF asserted to low logic level for at least 100us Recommended ON OFF Low High Low pulse length is 100ms ON OFF pulses with less than 1s intervals are not recommended 1 8V Standby power supply Pp o am i nRESET Unknawn OFF Unknown 1 8V Power must be on and stable Main power supply FIGURE 18 START UP TIMING Note 1 If power provided through dual supply assign 1 8V LDO with low quiescent current for Hibernate state and 1 8V DC DC with high efficiency for Full Power state Page 27 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty SYMBOL PARAMETER CONDITION me merewernes
29. e State State Hibernate State 455 la lt 10s 1s t 40 gt PTF Time Penod PTF Time Period FIGURE 4 PTF TIMING Page 16 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 15 4 3 ADVANCED POWER MANAGEMENT APM APM allows power savings while ensuring that the Quality of the Solution QoS in maintained when signals level drop In APM mode the module is intelligently cycled between Full Power and Hibernate states In addition to setting the position report interval a QoS specification is available that sets allowable error estimates and selects priorities between position report interval and more power Saving The user may select between Duty Cycle Priority for more power saving and Time Between Fixes TBF priority with defined or undefined maximum horizontal error TBF range is from 10s to 180s between fixes Power Duty Cycle range is between 5 to 100 Maximum position error is configurable between 1 to 160m The number of APM fixes is configurable up 255 or set to continuous GPS Signal dio D Power Level Low Indicates Fix Sent uy Prod i i m Power Level TBF Priority 1 GPS signal level drops e g user walks indoors 2 Lower signal results in longer ON time To maintain Duty Cycle Priority OFF time is increased 3 Lower signal means missed fix To maintain
30. e or passive antenna 17 3 1 PASSIVE ANTENNA In design with passive antenna attention should be paid on antenna layout Short trace of 500 controlled impedance should conduct GPS signal from antenna to IN pad Micro Spider ORG4475 is designed to track GPS signal levels in a range down to close to the thermal noise floor At low signal levels control of external noise sources is a significant factor in achieving the best performance of the receiver Designing with passive antenna require RF layout skills and can be challenging 17 3 2 ACTIVE ANTENNA Active antenna net gain including conduction losses should not exceed 425GB DC bias voltage for active antenna can be externally applied on RF IN trace through bias T DC bias voltage can be controlled by WAKEUP output through MOSFET or load switch Page 20 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 17 4 CONTROL INTERFACE 17 4 1 ON_OFF ON_OFF input is used to switch ORG4475 between different power states While in Hibernate state ON OFF pulse will initiate transfer into Full Power state While in ATP mode ON OFF pulse will initiate transfer into Full Power state While in PTF mode ON OFF pulse will initiate one PTF request While in Full Power state ON OFF pulse will initiate orderly shutdown into Hibernate state 40 15 01 min FIGURE 9 ON OFF TIMING ON OFF detector set require
31. ectrical and electronic equipment referred as RoHS II ORG4475 modules are manufactured and handled in compliance with the applicable substance bans as of Annex XVII of Regulation 1907 2006 on Registration Evaluation Authorization and Restriction of Chemicals including all amendments and candidate list issued by ECHA referred as REACH REACH ORG4475 modules comply with the following EMC standards b EU EN55022 06 A1 07 Class US FCC 47CFR Part 15 09 Subpart B Class C C FC JAPAN VCCI V 3 2006 04 Page 31 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 Rosy REACH Registration Evaluation Authorization and Restriction of Chemicals OriginG pst mini mighty 26 PACKAGING AND DELIVERY 26 1 APPEARANCE ORG4475 modules are delivered in reeled tapes for automatic pick and place assembly process Label M 4 Top Cover Tape Sprocket Hole Pad 1 position gt FIGURE 21 MODULE POSITION ORG4475 modules are packed in 2 different reel types TABLE 15 REEL QUANTITY Reels are dry packed with humidity indicator card and desiccant bag according to IPC JEDEC J STD 033B standard for MSL 3 devices Reels are vacuum sealed inside anti static moisture barrier bags Sealed reels are labeled with MSD sticker providing information about MSL Shelf life Reflow soldering peak temperature Seal date Sealed reels are packed inside ca
32. future TBFs the module goes info Full Power state until signal levels improve FIGURE 5 TIMING 15 4 4 SIRFAWARE MICRO POWER MODE While in SiRFAware MPM the module determines how much signal processing to do and how often to do it so that the module is always able to do a fast hot start TTFF 2 s on demand ORG4475 will wake up typically twice an hour for 18 24s to collect new ephemeris data Ephemeris data collection operation consumes power equal to Full Power state Additionally ORG4475 will wake up once every 1 to 10 minutes for 250ms to update internal navigation state and clocks calibration Capture Update operation consumes about 0 2mA rest of time ORG4475 stays in Hibernate state drawing 141 Host toggles ON OFF to wake up the module and initiates fix trial After valid fix is available the host can turn the module back into MPM by re sending the command Average current consumption over long period during MPM is about 125 SD de LOMin S Fi amp amp T E kl a i S w m 1 FIGURE 6 TIMING Page 17 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 16 EXTENDED FEATURES 16 1 ALMANAC BASED POSITIONING ABP
33. le boots into Hibernate state after power supply applied drawing only 9 When Hibernate state is following Full Power Tracking state current consumption is about 14p4A During this state RF DSP and baseband sections are completely powered off leaving only RTC and Battery Backed RAM running Module will perform Hot Start if stayed in Hibernate state less than 4 hours from last valid position solution 15 3 BASIC POWER SAVING MODE Basic power saving mode is elaborating host in straightforward way for controlling transfers between Full Power and Hibernate states Current profile of this mode has no hidden cycles of satellite data refresh Host may condition transfers by tracking duration accuracy satellites in view or other parameters Page 15 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 15 4 SELF MANAGED POWER SAVING MODES Micro Spider module has several self managed power saving modes tailored for different use cases These modes provide several levels of power saving with degradation level of position accuracy Initial operation in Full Power state is a prerequisite for accumulation of satellite data determining location fine time and calibration of reference clocks 15 4 1 ADAPTIVE TRICKLE POWER ATP ATP is best suited for applications that require navigation solutions at a fixed rate as well as low power consumption and an ability to track weak signals This power
34. le or bulk package should be baked prior to assembly at 125 C for 48 hours 23 2 ASSEMBLY The module supports automatic pick and place assembly and reflow soldering processes Reflow soldering of the module on the component side of the motherboard PCB according to standard IPC JEDEC J STD 020D for LGA SMD Suggested solder paste stencil is 5 mil to ensure sufficient solder volume Peak temp 230 250 C Pre heat temp 110 190 C 60 120sec 60 90 180 240 300 sec FIGURE 19 RECOMMENDED SOLDERING PROFILE Suggested peak reflow temperature is 250 C for 10 sec for Pb Free solder paste Absolute Maximum reflow temperature is 260 C for 10 sec 23 3 REWORK If localized heating is required to rework or repair the module precautionary methods are required to avoid exposure to solder reflow temperatures that can result in permanent damage to the device 23 4 ESD SENSITIVITY This product is ESD sensitive device and must be handled with care WAN 23 5 SAFETY INFORMATION Improper handling and use can cause permanent damage to the product Avoid cleaning process in ultrasonic degreaser since ultrasonic vibrations may cause performance degradation or destruction of internal circuitry 23 6 DISPOSAL INFORMATION This product must not be treated as household waste For more detailed information about recycling electronic components contact your local waste management authority Page 30 of 34 Micro
35. nd Remover Application Nowe 79 Seder and Hornet Clent Generated Extended ephemeris Application Note TABLE 1 RELATED DOCUMENTATION 7 REVISION HISTORY REVISION DATE CHANGE DESCRIPTION April 1 2014 Format update content update according to PCN TABLE 2 REVISION HISTORY Page 5 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 8 GLOSSARY A GNSS Assisted GNSS BPF Band Pass Filter CE European Community conformity mark CGEE Client Generated Extended Ephemeris CMOS Complementary Metal Oxide Semiconductor COMPASS PRC GNSS same as BDS BeiDou 2 Navigation Satellite System EGNOS European Geostationary Navigation Overlay Service EMC Electro Magnetic Compatibility ESD Electro Static Discharge EVB Evaluation Board EVK Evaluation Kit FCC Federal Communications Commission GALILEO EU GNSS GLONASS Global Navigation Satellite System GNSS Global Navigation Satellite System GPS Global Positioning System Inter Integrated Circuit IC Integrated Circuit ISO International Organization for Standardization LDO Low Dropout regulator LGA Land Grid Array LNA Low Noise Amplifier MSAS Multi functional Satellite Augmentation System MSL Moisture Sensitivity Level NFZ Noise Free Zones System NMEA National Marine Electronics Association MEMS MicroElectroMechanical Systems PCB Printed Circuit Board PPS Pulse Per Second QZSS Quasi Zenith Satellite System R
36. on solution software and ARM processor PMU Auxiliary Subsystem SMPS RTC LDO Temperature ADC Power Controller PLL BBRAM GPS Radio Host Interface and GPIO GPS Engine Measurement Subsystem Navigation Subsystem DSP ARM CPU Host UART ROM ROM Host SPI RAM RAM Host I C FIGURE 2 SiRFstarlV GSD4e GPS SoC BLOCK DIAGRAM SiRFstarlV GSD4e SoC includes the following units GPS radio subsystem containing LNA harmonic reject double balanced mixer fractional N synthesizer integrated self calibrating filters IF VGA with AGC high sample rate ADCs with adaptive dynamic range Measurement subsystem including DSP core for GPS signals acquisition and tracking interference scanner and detector wideband and narrowband interference removers multipath and cross correlation detectors dedicated DSP code ROM and DSP cache RAM Measurement subsystem interfaces GPS radio subsystem Navigation subsystem comprising ARM79 microprocessor system for position velocity and time solution program ROM data RAM cache and patch RAM host interface UART SPI and drivers Navigation subsystem interfaces measurement subsystem Auxiliary subsystem containing RTC block and health monitor
37. r 3 to 3 3V Page 22 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 18 TYPICAL APPLICATION CIRCUIT 18 1 PASSIVE ANTENNA Designing with passive antenna require RF layout skills and can be challenging Contact OriginGPS for application specific recommendations and design review services 18 2 PASSIVE ANTENNA WITH EXTERNAL LNA R1 10K UART R2 R3 R4 Do Not Assemble SPI R1 R2 R3 R4 Do Not Assemble E INA sees T20 R2 ypass for option a Rl Do Not Assemble 0603 DNA R3 R4 2 2K 1 8V 1 8V 1 8V O O O R2 1 R3 184 10K U4 2k2 19 RF_IN 6 nRTS GPS 4 SPI nCS riginGP5 Ys 1 4 GPS nRESET GPS 5 ax 7 GPS 6 10 UART RX SPI MOSI 12C SDA ON GPs 2208 ON OFF 2j c4 ncm m ON OFF gt MURATA 15pF 15pF R6 WAKEUP GPS 13 NFA31GD1004704 a INFINEON P WAKEUP NC 15 BGA715L7 1PPS_GPS__9 NC 16 1PPS GND GND GND ORIGINGPS 1 12 0884475 Ul Inputs are 1 8V 3 6V Outputs are 1 8V FIGURE 10 SCHEMATIC DIAGRAM OF PASSIVE ANTENNA WITH EXTERNAL LNA R1 10K UART R2 R3 R4 Do Not Assemble SPI R1 R2 R3 R4 Do Not Assemble 2 R2 10K R1 Do Not Assemble R3 R4 2 2K 1 8V 1 8V 1 8 Q Q Q R2 Ri R3 R4 Em 10K li U4 2K2 2 2 SAMTEC BEN e GPS 4 SPI 5 MA
38. rly shutdown process may take anywhere from 10ms to 900ms to complete depending upon operation in progress and messages pending and hence is dependent upon serial interface speed and controls Module will stay in Full Power state until TX FIFO buffer is emptied The last message during shutdown sequence is SPSRF150 0 3F Page 28 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 22 FIRMWARE 22 1 DEFAULT SETTINGS Satellite Constellation Default Output Messages ON ON ON TABLE 13 DEFAULT FIRMWARE SETTINGS Note 1 Without external resistor straps on CTS or RTS 22 2 FIRMWARE UPDATES Firmware updates can be considered exclusively as patches on top of baseline ROM firmware Those patch updates may be provided from time to time to address ROM firmware issues as a method of performance improvement Typical patch file size is 24KB Host controller is initiating load and application of patch update by communicating module s Patch Manager software block allocating 16KB of memory space for patch and additional 8KB for cache Patch updates are preserved until BBRAM is discarded Page 29 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 23 HANDLING INFORMATION 23 1 MOISTURE SENSITIVITY ORG4475 modules are MSL 3 designated devices according to IPC JEDEC J STD 033B standard Module in samp
39. rtons Reels reel packs and cartons are labeled with sticker providing information about t Description Part number Lot number Customer PO number Quantity t Date code Page 32 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 26 2 CARRIER TAPE Carrier tape material polystyrene with carbon PS C Cover tape material polyester based film with heat activated adhesive coating layer 04 0 M dis Ww 3 8 1 3 Feed direction FIGURE 22 CARRIER TAPE 020720000 TABLE 16 CARRIER TAPE DIMENSIONS 26 3 REEL Reel material antistatic plastic FIGURE 23 REEL 178 0 1 0 7 00 0 04 330 0 2 0 13 00 0 08 ON 60 0 1 0 2 36 0 04 102 0 2 0 4 02 0 08 189205 0 66 0 02 16 7 0 5 0 66 0 02 19 8 0 5 0 78 0 02 222 0 5 0 87 0 02 TABLE 17 REEL DIMENSIONS Page 33 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 27 ORDERING INFORMATION 4475 FIRMWARE OPTION HARDWARE OPTION TABLE 18 ORDERING OPTIONS PART NUMBER FIRMWARE VERSION HARDWARE VARIANT PACKAGING SPQ TABLE 19 ORDERABLE DEVICES Page 34 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014
40. s a rising edge and high logic level that persists for at least 100us ON OFF detector reset requires ON OFF asserted to low logic level for at least 100us Recommended ON OFF Low High Low pulse length is 100ms ON OFF pulses with less than 1s intervals are not recommended Multiple switch bounce pulses are recommended to be filtered out Pull down resistor of is recommended to avoid accidental power mode change ON OFF input is tolerable up to 3 6V Do not drive high permanently or pull up this input This line must be connected to host 17 4 2 WAKEUP WAKEUP output from ORG4475 is used to indicate power state A low logic level indicates that the module is in one of its low power states Hibernate or Standby A high logic level indicates that the module is in Full Power state In addition WAKEUP output can be used to control auxiliary devices like Enable of external LNA or Load Switch of active antenna DC bias Wakeup output is LI VCMOS 1 8V compatible Do not connect if not in use 17 4 3 RESET Power on Reset POR sequence is generated internally In addition external reset is available through RESET pad Resetting ORG4475 clears the state machine of self managed power saving modes to default RESET signal should be applied for at least 1 RESET input is active low and has internal pull up resistor of 86kO to internal 1 2V domain Do not drive this input high Do not connect if not in use 17 4 4 1PPS
41. saving mode provides the most accurate position among self managed modes In this mode module is intelligently cycled between Full Power state CPU Only state consuming 14mA and Standby state consuming 90A therefore optimizing current profile for low power operation Power Consumption uonrsinboy 31815 semod 23216 LIS jind 31815 33e3s AUD 2 35 91215 42 Standby State Standby State Standby State Time FIGURE ATP TIMING 15 4 2 PUSH TO FIX PTF PTF is best suited for applications that require infrequent navigation solutions In this mode ORG4475 module is mostly in Hibernate state drawing lt 15 of current waking up for satellite ephemeris data refresh in fixed periods of time PTF period can be anywhere between 10 seconds and 2 hours Host can initiate an instant position report by toggle the ON OFF pad to wake up the module During fix trial ORG4475 will stay in Full Power state until good position solution is estimated or pre configured timeout for it has expired User position request Power Consumption 5 ua 45 e 33235 samod n4 uj 91235 Jamod Burgess ui aes uj 91215 Jem od n4 33835 AUD 91215 91015 Hibernate Hibernat
42. shorter TTFFs by fetching Extended Ephemeris EE file downloaded from web server Host is initiating periodic network sessions of EE file downloads storage and provision to module There is an SOW based one time NRE charge for set up access to OriginGPS EE distribution server and end end testing for re distribution purposes or there is a per unit charge for each module within direct SGEE deployment EE files are provided with look ahead of 1 3 7 14 or 31 days Page 18 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 17 INTERFACE 17 1 PAD ASSIGNMENT pa FUNCTION DIRECTION WAKEUP Power Status Output Interface Select 1 UART Clear To Send SPI Clock Bi directional Asynchronous Reset Input RTS Interface Select 2 UART Ready To Send SPI Chip Select Bi directional UART Receive SPI Data In Data Bi directional 1PPS UTC Time Mark Output ON_OFF Power State Control UART Transmit SPI Data Out Clock Bi directional Ground Power IN Antenna Signal Input Analog Input Ground Power TABLE 10 PIN OUT VIEW FIGURE 8 PAD ASSIGNMENT Page 19 of 34 Micro Spider ORG4475 Datasheet Revision 2 0 April 1 2014 OriginG pst mini mighty 17 2 POWER SUPPLY It is recommended to keep the power supply on all the time in order to maintain RTC block active and keep satellite data in RAM for fastest possible TT
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