Gms-d1 GPS Antenna Module Data Sheet
Contents
1. 26 3 3 Firmware Customization ServIceS 26 4 Reference Design sencsicce tcccacvenecssecedencedene war sovetecneccauueestectenesesecias cane denteeuanesssesbaeorieesuneseneciacesaees 27 4 1 Patch Passive Antenna a 2 oa AG IO TE Il uu cage ced iain cee ee rare eae de cael E awed T 28 5 Packing and Handling 29 ML IV LOIS CUS l i I uuu E 29 5 2 Tape Reel Packing Information 30 One Reel have 1000pcs a 30 5 3 Storage and Floor Life GuIdelIn u u uuu ana ssassaaaakasasasaakhasksskahakasaskakaka 33 STI E e ann a a SS uu 33 FPS OM c 20116 b u usa u s u as ano oe sa 34 6 Reflow Soldering Temperature Profile 35 6 1 SMT Reflow Soldering Temperature Proflile 35 O WIGAN oO iu uuu sns saan E E E E E EEE 39 Ze Contact WAT OPIN AU OM eonan EE EE EE 39 This document is the exclusive property of AscenKorea Inc and should not be distributed2. Consumption current 3 3V e Acquisition 19 mA Typical e Tracking 15 mA Typical E911 ROHS REACH compliant CE FCC Certification Note1 SBAS can only be enabled when update rate is equal or less than to 5Hz Note2 Some features need special firmware or command programmed by customer please refer to PMTK Command List Note3 Please refer to AscenKorea LOCUS Library User Manual This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice ASCEN AscenkKorea Inc Document 6 GMM U2P Data Sheet Tape Reel Ver VOC amp 1 3 System Block Diagram Vee VBACKUP a TIMER 7 2 4 9 9 17 This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenKorea Inc Document 7 GMM U2P Data Sheet Tape Reel Ver VOC 1 4 Multi tone active interference canceller Navigation system often integrated with variant applications that are not limited to Wi Fi GSM GPRS 3G 4G Bluetooth Such system as often seen generates RF harmonics which would influence the GPS reception and performance The embedded multi tone active interference canceller MTAIC is capable of rejectin
3. UTCTime 064951 000 hhmmss sss Status A Adata valid or VDdata not valid Latitude 2307 1256 ddmm mmmm N S Indicator N _ NN NorthorSSouth Longitude 12016 4438 dddmm mmmm EAW Indicator E E EastorW West D RONEL 0 03 knots Ground Course over 165 48 ee True Ground I Date 260406 ddmmyy _ Z E gt East or W West Magnetic Variation 3 05 W degrees Needs AscenKorea Customization Service A Autonomous mode Mode A D Differential mode E Estimated mode 2C aS lt CR gt lt LF gt O End of message termination This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice renea a a e U GMM U2P Data Sheet Tape Reel Ver voc 92 VTG Course and speed information relative to the ground Table 9 contains the values for the following example SGPVTG 165 48 T M 0 03 N 0 06 K A 37 Table 9 VTG Data Format gt Name Example Units Description Message ID GPVTG VTG protocol header ___ Reference T me _ Course degrees Measured heading U Reference M Magnetic Variation Needs AscenKorea Customization Service Units N Knots Speed 00 km hr_ Measured horizontal speed Units LK Kilometersperhour _ Mode A A Autonomous mode D Differ
4. condition This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice 9 AscenkKorea Inc Document 10 GMM U2P Data Sheet Tape Reel Ver VOC 2 Specifications 2 1 Mechanical Dimension Dimension Unit mm Tolerance 0 2mm Top View gt a E A g Shielding Cover This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice 12 70 x 11 50 x AscenKorea Inc Document 1 1 GMM U2P Data Sheet Tape Reel Ver VOC 2 2 Recommended PCB pad Layout Unit mm Tolerance 0 1mm po A 1 le 0 0 90 LSU Top view This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenKorea Inc Document 12 GMM U2P Data Sheet Tape Reel Ver VOC 2 3 Pin Configuration 1 18 17 16 15 14 13 12 l 10 VCC RF_IN GND GND VBACKUP RAO GND TXO GND NRESET NC RX TIMER TX NC IPPS GND 3D FIX Oo ONAN DW WN BR WH NY Top view This document is the exclusive property
5. DOP values GSV The number of GPS satellites in view satellite ID numbers elevation azimuth and SNR values The recommended minimum navigation information VTG Course and speed information relative to the ground This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenKorea Inc Document GMM U2P Data Sheet Tape Reel Ver VOC GGA Global Positioning System Fixed Data Time Position and fix related data Table 2 contains the values for the following example SGPGGA 064951 000 2307 1256 N 12016 4438 E 1 8 0 95 39 9 M 17 8 M 65 Table 2 GGA Data Format ame O Peme Units Desertion Message ID GPGGA GGA protocol header O Z o Z UTC Time 064951 000 hhmmss sss o Latitude 2307 1256 ddmm mmmm gt SSS o o N S Indicator N _ N Northor S South S Longitude 12016 4438 dddmm mmmm o _E W Indicator E E Eastor W West Position Fix Indicator 1 SeeTabe3 Satellites Used 8 o HDOP 095 __ Horizontal Dilution of Precision _Geoidal Separation 17 8 meters Age of Diff Corr second Null fields when DGPS is not used U U 65 gt lt CR gt lt LF gt Endofmessagetermination Table 3 Position Fix Indicator S O0 Fixnnot available GPS fix Differential
6. GPS fix This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice ASE mI reat OE 5 GMM U2P Data Sheet Tape Reel Ver VOC GSA GNSS DOP and Active Satellites Table 4 contains the values for the following example SGPGSA A 3 29 21 26 15 18 09 06 10 2 32 0 95 2 11 00 Table 4 GSA Data Format x Name Example Units Description Message ID SGPGSA_ GSAprotocolheader __ Model JA See TableS Mode2 3 See Table6 SatelliteUsed 29 SVonChannelt Satellite Used 21 SVonChannel2 OO B es ec Satellite Used SVonChamel12 PO 232 __ Position Dilution of Precision _ HDOP 0 95 __ Horizontal Dilution of Precision VDOP 211 __ Vertical Dilution of Precision Checksum 00 lt CR gt lt LF gt End of message termination Table 5 Mode 1 Manual forced to operate in 2D or 3D mode 2D Automatic allowed to automatically switch 2D 3D LEIER Pam V Te W This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenKorea Inc Document 23 GMM U2P Data Sheet Tape Reel Ver VOC GSV GNSS Satellites in View Table 7 cont
7. and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenKorea Inc Document 17 GMM U2P Data Sheet Tape Reel Ver VOC 2 6 Specification x pes Sensitivity Acquisition 148dBm cold start Reacquisition 163dBm Hot start Tracking 165dBm TTFF Hot start 1 second typical Warm start 33 seconds typical Cold start 35 seconds typical No of SVs gt 4 C N gt 40dB PDop lt 1 5 Position Accuracy Without aid 3 0m 50 CEP DGPS SBAS WAAS EGNOS MSAS GAGAN 2 5m 50 CEP Velocity Accuracy Without aid 0 1m s DGPS SBAS WAAS EGNOS MSAS GAGAN 0 05m s Without aid 0 1 m s Acceleration Accuracy Without aid 0 1 m s DGPS SBAS WAAS EGNOS MSAS GAGAN 0 05m s Timing Accuracy 1PPS Output 10ns RMS Update Rate 1Hz default maximum 10Hz Bas SBAS defult QZSS WAAS EGNOS MSAS GAGAN aes o Support Power Supply VCC 3 0V to 4 3V VBACKUP 2 0V to 4 3V Current Onion 19mA acquisition 15mA tracking 3 3V 1Hz Update Rate Backup Power Consumption 3V 7uA TYP Power Saving Periodic Backup mode 9uA TYP Standby mode 157uA TYP Working Temperature 40 C to 85 C Weight ji C AGAN will be supported This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications
8. of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice s s i a a GMM U2P Data Sheet Tape Reel Ver VOC 7 2 4 Pin Assignment 1 vcc PI Main DC power input x 2 GD C VBACKUP P Backup power input for RTC amp navigation data keep a GOD P Gum x o Ss oao P 6 N one TIMER Fo The timer function support a time tick o GD e 6 O 3D FIX Bo 3D Fix Indicator 1PPS RES 1PPS time mark output 2 8V CMOS level KUR te E Serial Data Input for DGPS RTCM data streaming NRESET ag Reset Input Low Active oll eee Serial Data Output for NMEA output TTL eo a Serial Data Input for Firmware update TTL aoo o Ground O RF_IN a GPS RF signal input This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenKorea Inc Document 14 GMM U2P Data Sheet Tape Reel Ver VOC 2 5 Description of I O Pin VCC Pin1 The main DC power supply of the module The voltage should be kept between from 3 0V to 4 3V Typical 3 3V The Vcc ripple must be controlled under 50MV GND Pin2 Pin4 PinS Pin9 Pin17 Ground VBACKUP Pin3 This connects to the backup power of the GPS module Power source such as battery
9. principle Opened solder paste needs to be tla monitored and recorded in a timely fashion Please refer to IPQC for more info WARNING 309 Bag Seal Date ___1 1 2010 _ AVOID METAL CONTACT Figure 3 Example of moisture color coded card and caution label This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenkKorea Inc Document GMM U2P Data Sheet Tape Reel Ver VOC 5 3 Storage and Floor Life Guideline Since AscenKorea modules must undergo solder reflow process in 72 hours after it has gone through pre baking procedure therefore if it is not used by then it is recommended to store the GPS modules in dry places such as dry cabinet The approximate shelf life for AscenKorea GPS modules packages is 6 months from the bag seal date when store in a non condensing storage environment lt 30 C 60 RH It is important to note that it is a required process for AscenKorea GPS modules to undergo pre baking procedures regardless of the storage condition 5 4 Drying When GPS modules exposed to high temperature of solder reflow the moisture vapor pressure inside the GPS modules increase greatly In order to prevent internal delaminating cracking of the device or the popcorn phenomenon to undergo pre baking procedure become necessary prior to any hi
10. reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenKorea Inc Document A GMM U2P Data Sheet Tape Reel Ver VOC 1 Functional Description 1 1 Overview The AscenKorea GMM U2P module utilizes the MediaTek new generation GPS Chipset MT3339 that achieves the industry s highest level of sensitivity 165dBm and instant Time to First Fix TTFF with lowest power consumption for precise GPS signal processing to give the ultra precise positioning under low receptive high velocity conditions GMM U2P has an in built LNA with a noise figure NF 0 7dB which allows the customer to work without the need of an external LNA Power management design allows GMM U2P to be integrated easily into your system without extra voltage regulator GMM U2P allows direct battery connection no need any external LDO and gives customers plenty of choices for their application circuit Up to 12 multi tone active interference canceller ISSCC2011 awarded allowing customer to have more flexibility in system design The module supports up to 210 PRN channels with 66 search channels and 22 simultaneous tracking channels GMM U2P supports various location and navigation applications including autonomous GPS SBAS ranging WAAS EGNOS GAGAN and MSAS QZSS and AGPS The GMM U2P is excellent in low power consumption acquisition 63mW tracking 49mW power sensitive d
11. subject to change without prior notice AscenkKorea Inc Document 2 Absolute Maximum Ratings The voltage applied for VCC should not exceed 4 3VDC x Sma wn vee une 2 8 Operating Conditions Fen wa Wve ac ai This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice GMM U2P Data Sheet Tape Reel Ver VOC 18 GMM U2P Data Sheet Tape Reel Ver VOC 2 9 GPS External Antenna Specification Recommended It is important that the antenna gets a clear view of the sky and is positioned on a surface level to the horizon for best results The following specification has to meet for the use reference design This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenkKorea Inc Document GMM U2P Data Sheet Tape Reel Ver VOC 3 Protocols 3 1 NMEA Output Sentences Table 1 lists each of the NMEA output sentences specifically developed and defined by MTK for use within MTK products Table 1 NMEA Output Sentence Description GGA Time position and fix type data GSA GPS receiver operating mode active satellites used in the position solution and
12. 5 sec Figure 1 12 1 EASY System operation Figure 1 12 1 show that when GPS device obtained the satellite information from GPS satellites the GPS engine automatically pre calculates to predict orbits for 3 extended days This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenKorea Inc Document GMM U2P Data Sheet Tape Reel Ver VOC 1 9 AlwaysLocate GMM U2P uses AlwaysLocate Advance Power Periodic Mode modes to achieve power saving by adaptively adjust the on off time to achieve balance between positioning accuracy and power consumption according to the environmental and motion conditions to achieve best power conservation The following figure gives some insight on power saving under different use cases when AlwaysLocate mode is enabled For command detail please contact our sales staff at sales ascen co kr Power Consumption Highway Urban Outdoor D Sukie diving aan Walking Be static driving 1 10 LOCUS When LOCUS Embedded Logger Function feature is enabled the receiver module becomes a logger capable device It does not need a host or external flash to log GPS data such as data format UTC latitude longitude valid checksum The maximum constant log duration can be up to 2 days under AlwaysLocate
13. AscenkKorea Inc GMM U2P Standalone GPS Module Data Sheet Tap Reel Revision VOC p k Fi 4 Ne Wat aig ANG Bii M ih A P i a 7 b o I y me m i 90 x 5 O gt a ad lt Q os ni Datasheet AscenKorea lnc Rm 710 7F Halla Sigma Velley ani jas N 2Ro 53 Geumcheon gu Seoul Korea Tel 82 02 1544 3818 Fax 82 02 A eS n orea com aties Qascen co kr copyright on AScenKared brightreserved AscenkKorea Inc Document GMM U2P Data Sheet Tape Reel Ver VOC Version History Title AscenKorea GMM U2P Datasheet Tape Reel Subtitle GPS Module Doc Type Datasheet Revision Date Author Description VOA 2013 03 08 Yingjie First Release VOB 2013 10 24 Dylan Update GSV GNSS Satellites in View Revise 10ns jitter to 10ns RMS jitter V0C 9013 12 17 Dylan Add Power Saving Current Update GSV GNSS Satellites in View Add GAGAN function This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenkKorea Inc Document 3 GMM U2P Data Sheet Tape Reel Ver VOC Table of Contents 1 F nctio al DSS CHIU OMA eee ccs case u u n u 1k u anu q Sasa kayiawskuqsaqasa 4 Dot CCG T yu uu una a 2 E 22 mnam nas 4 Lo igbhghis and l eaqtur6Ruuu uuu ul asssasssiazak EE EEE alana alaspakaqa 5
14. Lo System Block Dia rani u uu u u uu u a m S 6 1 4 Multi tone active interference canceller 7 Jo jl e E E 7 1 6 Timer Function for device on off control 7 1 7 AGPS Support for Fast TTFF EPO in flash M 7 LOTA a S sns S s Ds SSS SSD eee eee 8 1 9 AlwaysLocate Advance Power Periodic Mode 9 1 10 LOCUS Embedded Logger function 9 Di SOCCINICAUIONS sic a asss Suq n S saa aaa ass veccetuscanesstecunsedaece 10 2 l Mechanical DIm ensionu u L u LLL u a eea 10 2 2 Kecominend ed PCB pad Ald VOU u uuu uuu uu iuaasasasassasqulqakasnapanthisspsasuskanaqa 11 2o Pn G l pim iO uuu un E sSumassaaaaamhunusaauawsamtukuss 12 P O AS C Till Noes E r sss E 13 ZO DESC Om OF WO PI E E E 14 OBS OC CMC A Oey cps uma s na sua u ua sa sun 17 2 7 Absolute Maximum Ratiln8s 18 De OPE L on OE e EE E N 18 2 9 GPS External Antenna Specification Recommended 19 BPI OL OCOIS civ anun Qanun tes E E cares 20 2L NMEA Output SUN uuu u uu u uu S ceeamesacetncunneceseesaienaeee 20 3 2 MTK NMEA Command Protocols
15. The usage of solder paste should follow First in First out principle Opened solder paste needs to be monitored and recorded in a timely manner refer to IPQC standards for related documentation and examples Temperature and humidity must be controlled within SMT production line and storage area Temperature of 23 C 6045 RH humidity is recommended please refer to IPQC standards for related documentation and examples When performing solder paste printing please notice if the amount of solder paste is in excess or insufficient as both conditions may lead to defects such as electrical shortage empty solder and etc Make sure the vacuum mouthpiece is able to bear the weight of the GPS module to prevent positional shift during the loading process Before the PCBA is going through the reflow soldering process the operators should check with his her own eyes to see if there are positional offset to the module The reflow temperature and its profile data must be measured before the SMT process and match the levels and guidelines set by IPQC If SMT protection line is running a double sided process for PCBA please process GPS module during the second pass only to avoid repeated reflow exposures of the GPS module Please contact AscenKorea beforehand if you must process GPS module during the 1 pass of double side process Figure 4 Place GPS module right side up when running reflow solder process do not invert This
16. ains the values for the following example SGPGSV 4 1 15 29 36 029 42 21 46 314 43 26 44 020 43 15 21 321 39 7D SGPGSV 4 2 15 18 26 314 40 09 57 170 44 06 20 229 37 10 26 084 37 77 SGPGSV 4 3 15 07 26 73 Table 7 GSV Data Format x Name Example Units Description Message ID SGPGSV Si GSV protocol header Number of 4 Depending on the number of satellites Messages tracked multiple messages of GSV data may be required Note 4 MessageNumber 400 Satellites in View 15 L SatelliteID 29 Channel 1 Range 1to32 SNR C No 42 dBHz Range 0 to 99 a OE r SatelliteID 15 Channel4 Range 1to32 SNR C No 39 dBHz Range 0 to 99 ree S not ning Checksum 7D ooo l lt CR gt lt LF gt End of message termination Note4 The maximum every GSV sentence only include information for 4 SVs This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice OE e Do GMM U2P Data Sheet Tape Reel Ver voc S RMC Recommended Minimum Navigation Information Table 8 contains the values for the following example SGPRMC 064951 000 A 2307 1256 N 12016 4438 E 0 03 165 48 260406 3 05 W A 2C Table 8 RMC Data Format Name Example Units Description Message ID SGPRMC_ RMC protocol header _ _
17. connected to this pin will help the GPS chipset in keeping its internal RTC running when the main power source is turned off The voltage should be kept between 2 0V 4 3V Typical 3 0V IF VBACKUP power were not reserved the GPS module will perform a lengthy cold start each time it is powered on as previous satellite information is not retained and needs to be re transmitted If not used leave this pin floating NC Pin6 If not used leave this pin floating TIMER Pin7 The timer function support a time tick generation of 31 25ms resolution the period of timer can be from 31 25ms to 524287 s the pin outputs signal during the timer period and becomes a input pin after time out the system can use the pin to connect an external LDO controller and pull high circuit to enable other device for specified operation ex wake up GSM GPRS processor to transmit location data of asset during one period then enter power saving mode after finish its job If not used leave this pin floating NC Pins If not used leave this pin floating This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenKorea Inc Document 15 GMM U2P Data Sheet Tape Reel Ver VOC 3D FIX Pin10 The 3D FIX is assigned as a fix flag output The timing behavior of this pin can be configure
18. d by custom firmware for different applications Example waking up host MCU If not used leave this pin floating E Before 2D Fix The pin should continuously output signal of one second high and one second low 4 1s 1s mg After 2D or 3D Fix The pin should output a constant low signal Low 1PPS Pin11 This pin provides one pulse per second signal output which synchronizes to the precise GPS time clock If not used leave this pin floating TX1 Pin12 This is the UART transmitter of the module It is used for customization by firmware If not used keep floating RX1 Pin13 This pin receive DGPS data of RTCM protocol TTL level if not used keep floating NRESET Pin14 Low active it causes the module to reset If not used keep floating This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenKorea Inc Document 16 GMM U2P Data Sheet Tape Reel Ver VOC TX0 Pin15 This is the UART transmitter of the module It outputs GPS information for application RX0 Pin16 This is the UART receiver of the module It is used to receive commands from system RF_IN Pin18 This is the GPS RF signal input pin which can be connected to a passive antenna or an active antenna This document is the exclusive property of AscenKorea Inc
19. document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenKorea Inc Document 39 GMM U2P Data Sheet Tape Reel Ver VOC 6 2 Manual Soldering Soldering iron Heat temperature under 380 C Time under 3 sec Notes 1 Please do not directly touch the soldering pads on the surface of the PCB board to prevent further oxidation 2 The solder paste must be defrosted to room temperature before use so it can return to its optimal working temperature The time required for this procedure is unique and dependent on the properties of the solder paste used 3 The steel plate must be properly assessed before and after use so its measurement stays strictly within the specification set by SOP 4 Please watch out for the spacing between soldering joint as excess solder may cause electrical shortage 5 Please exercise with caution and do not use extensive amount of flux due to possible siphon effects on neighboring components which may lead to electrical shortage 6 Please do not use the heat gun for long periods of time when removing the shielding or inner components of the GPS module as it is very likely to cause a shift to the inner components and will leads to electrical shortage 7 Contact Information AscenKorea Technology Inc Address RM 710 Halla Sig
20. e distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenkKorea Inc Document 29 GMM U2P Data Sheet Tape Reel Ver VOC 4 2 Active Antenna When using an active antenna please connect the antenna directly to Pin18 RF_IN Over Current Protection LDO C6 22p NPO Circuit Hh a L2 33n MLG1608B33NJT Bead MLB 100505 0600A eee 50 Ohin Matching Line _ C1 C2 H enD i R1 470 uT odu 714 L L Hie a SINC BAT EEIN R4 470 ML414S T w D1 LED RT9193 3 0V SYSTEN_ POWER F3 S5ivour vin C3 cnp 44 1 R5 C4 tu ap 3 560K 47 m TER s iii D2 RB520S 30 D3 RB520S 30 Note 1 Ferrite bead L1 is added for power noise reduction 2 C1 and C2 bypass capacitor should be put near the module For C3 the value chosen depends on the amount of system noise the range from 1uF to 100uF is reasonable 3 Damping resistors R1 and R2 could be modified based on system application for EMI 4 L2 choke inductor should be put near the Pin18 and C6 RF bypass capacitor should be put near the L2 5 If you need more support and information on antenna implementation please contact us at sales ascen co kr This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change w
21. ent 99 GMM U2P Data Sheet Tape Reel Ver VOC lt The moisture color coded card provides an insight to the relative humidity in percentage RH When the GPS modules are taken out it should be around or lower than 30 RH level Outside each electrostatic bag is a caution label for moisture sensitive device Caution a ye This bag contains ku MOISTURE SENSITIVE amp ELECTROSTATIC SENSITIVE DEVICES 1 Calculated shelf life in package bag 6 months at lt 30 C and lt 609 relative humidity RH a Temperature and Humidity must be controlled in SMT production line and storage area Temperature ot 23 C 60 5 RH humidity is highly recommended please refer to IPQC for more information 2 Devices require bake before mounting and subjected to reflow solder 3 After baking devices that will be subjected to reflow solder or other high temperature process must be mounted within 72 hours of factory conditions 30 C 60 RH 4 Peak package body temperature 250 0 5 C a The reflow temperature and its profile data must be measured before the SMT process and match the levels HumiSENSOR and guidelines set by IPQC b When performing solder paste printing please check if EXAMINE the amount of solder paste is in excess or insufficient as i ad 50 both conditions may lead to defects such as electrical shortage empty solder and etc c The usage of solder paste should follow first in first _ CHANGE out
22. ential mode E Estimated mode Checksum 87 lt CR gt lt LF gt St End of message termination This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenkKorea Inc Document 26 GMM U2P Data Sheet Tape Reel Ver VOC 3 2 MIK NMEA Command Protocols Packet Type 103 PMTK_CMD_COLD_ START Packet Meaning Cold Start Don t use Time Position Almanacs and Ephemeris data at re start Example PMTK103 30 lt CR gt lt LF gt 3 3 Firmware Customization Services AscenKorea also offers flexible value adding GPS firmware customization services that maximize the overall system efficiencies and power consumptions To find out the latest features like Binary Mode One Sentence Output Geo fencing and Last Position Retention please visit our website at sales ascen co kr Note that not all firmware customization services listed below are supported for all products Please contact AscenKorea sales representatives or technical support for more details ASCEN GPS AscenKorea Firmware Customization Services Sug fast postion fix wilh relosded ephyerners last retresh rate tor ioh Speed anphCatiyts iutputs test known Doston coordinates after losing GPS satellite fix ses Calculation koad on processor by utput NMEA
23. evices especially portable applications need not worry about operating time anymore and user can get more fun Combined with many advanced features including AlwaysLocate EASY EPO and logger function GAGAN will later be supported Application Handheld Device Tablet PC PLB MID M2M application Asset management S lt lt lt A Surveillance Q lt m ee N o am SE KU L 10005 Gmm u2p V01 This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenKorea Inc Document 5 GMM U2P Data Sheet Tape Reel Ver VOC 1 2 Highlights and Features Support QZSS satellites Japan Ultra High Sensitivity 165dBm High Update Rate up to 10Hz Note1 12 multi tone active interference canceller N te2 ISSCC 2011 Award Section 26 5 http isscc org doc 2011 isscc2011 advanceprogrambooklet_abstracts pdf High 1 PPS timing accuracy for Timing Applications t10ns RMS jitter AGPS Support for Fast TTFF EPO in flash Enable 7 days 14 days EASY Note2 Self Generated Orbit Prediction for instant positioning fix AlwaysLocate N te2 Intelligent Algorithm Advance Power Periodic Mode for power saving LOCUS Embedded Logger Function te AscenKorea Firmware Customization Services gt
24. g unwanted RF harmonics of the nearby on board active components MTAIC improves the capacity of GPS reception leaving hardware integration engineering without the need of hardware changes GMM U2P cancels up to 12 independent channels continuous interference wave 1 5 1PPS GMM U2P generates a_pulse_per_second signal 1 PPS It is an electrical signal which precisely indicates the start of a second with the accuracy of 10ns RMS In general 1 PPS signals are used to provide precise timekeeping and time measurement to the system It is commonly used for timekeeping in computers which may involve with the NTP protocol GMM U2P generates highly accurate 1PPS based timing method to synchronize GPS positioning time after obtained 3D Fix 1PPS output at power on is available through firmware customization service 1 6 Timer Function for device on off control The timer function support a time tick generation of 31 25ms resolution the period of timer can be from 31 25ms to 524287s the pin outputs signal during the timer period and becomes a input pin after time out the system can use the pin to connect an external LDO controller and pull high circuit to enable other device for specified operation ex wake up GSM GPRS processor to transmit location data of asset during one period then enter power saving mode after finish its job 1 7 AGPS Support for Fast TTFF EPO in flash The AGPS EPO in flash supply the predicated Extended Predictio
25. gh temperature or solder reflow process The recommended baking time for AscenKorea GPS module is as follows v 60 C for 8 to 12 hours Once baked the module s floor life will be reset and has additional 72 hours in normal factory condition to undergo solder reflow process A Please limit the number of times the GPS modules undergoes baking processes as repeated baking process has an effect of reducing the wetting effectiveness of the SMD pad contacts This applies to all SMT devices A Oxidation Risk Baking SMD packages may cause oxidation and or intermetallic growth of the terminations which if excessive can result in solderability problems during board assembly The temperature and time for baking SMD packages are therefore limited by solderability considerations The cumulative bake time at a temperature greater than 90 C and up to 125 C shall not exceed 96 hours Bake temperatures higher than 125 C are not allowed This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice 33 AscenkKorea Inc Document 34 GMM U2P Data Sheet Tape Reel Ver VOC 5 5 ESD Handling A Please carefully follow the following precautions to prevent severe damage to A GPS modules AscenKorea GPS modules are sensitive to electrostatic discharges and thus are Electro
26. is sheet can only be used only for Pb free manufacturing process 6 1 SMT Reflow Soldering Temperature Profile Reference Only Average ramp up rate 25 150 C 3 C sec max Average ramp up rate 270 C to peak 3 C sec max Preheat 175 25 C 60 120 seconds Temperature maintained above 217 C 60 150 seconds Peak temperature 250 0 5 C 20 40 seconds Ramp down rate 6 C sec max Time 25 C to peak temperature 8 minutes max Peak 250 0 5 C C Slop 3 C sec max 217 C to peak x x Slop 6 C sec max 217 C III a aaa Preheat 175 5 C 20 40 sec 60 120 sec i 60 150 sec Slop 3 C sec max 25 C Time sec This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenkKorea Inc GMM U2P Data Sheet Tape Reel Document Ver VOC 36 s ce s Before proceeding with the reflow soldering process the GPS module must be pre baked Because PCBA along with the patch antenna is highly endothermic during the reflow soldering process Extra care must be paid to the GPS module s solder joints if any signs of cold weld ing or false welding Special attentions are needed for PCBA board during reflow soldering to see if there are any symptoms of bending or deformation to the PCBA board possibly due to
27. ithout prior notice AscenKorea Inc Document 29 GMM U2P Data Sheet Tape Reel Ver VOC 5 Packing and Handling GMM U2P like any other SMD devices is sensitive to moisture electrostatic discharge and temperature By following the standards outlined in this document for AscenKorea module storage and handling the chances of them being damaged during production set up can be reduced This section will walk you through the basics on how AscenKorea packages its modules to ensure they arrive at their destination without any damages and deterioration to performance quality It includes cautionary notes for prior to the surface mount process A Please read the sections II to V carefully to avoid permanent damages due to moisture intake A GPS receiver modules contain highly sensitive electronic circuits and are electronic sensitive devices Improper handling without ESD protections may lead to permanent damages to the modules Please read section VI for more details 5 1 Moisture Sensitivity AscenKorea modules are moisture sensitive and must be pre baked before going through the solder reflow process It is important to know that AscenKorea GPS modules must complete solder reflow process in 72 hours after pre baking This maximum time is otherwise known as Floor Life If the waiting time has exceeded 72 hours it is possible for the module to suffer damages during the solder reflow process such as cracks and delamina
28. ma Valley 7F Gasandigital 2Ro 53 Geumcheongu Seoul Korea Tel 82 2 1544 3818 Fax 82 2 6499 2940 Website www ascenkorea com Email sales ascen co kr This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice
29. n Orbit data to speed TTFF Users can download the EPO data to GPS engine from the FTP server via internet or wireless network The GPS engine of the module will use the EPO data to assist position calculation when the navigation information from satellites is not enough as is the case of weak signal For more details on EPO visit our website This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenKorea Inc Document Q GMM U2P Data Sheet Tape Reel Ver VOC 1 8 EASY Embedded Assist System EASY is embedded within the receiver module to assist for quick positioning when not enough information is received from the satellites With EASY technology the GPS engine is able to calculate and predict up to 3 days single ephemeris automatically when power on It then saves the predicted information onto the memory So the GPS engine can use this information for positioning later if no enough information received from the satellites This function will be helpful for TTFF improvement to allow positioning even under weak signal condition such dense urban Backup power VBACKUP is required for this feature GPS on GPS on With EASY With EASYiw linia GPS on Assist Assist EASY On EASY On EASY On EASY 30 sec
30. santences nif SALE GLL This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenKorea Inc Document 27 GMM U2P Data Sheet Tape Reel Ver VOC 4 Reference Design This section introduces the reference schematic design for best performance Additional tips and cautions on design are well documented in the Application Note which is available upon request 4 1 Patch Passive Antenna When using a passive antenna please connect the antenna directly to Pin18 RF_IN Patch Antenna 50 Ohm Matching Line L1 Bead MLB 100505 0600A C1 C2 R1 470 1u o u 3 0V TER BAT 8 INC ML414S T k U1 _ RT9193 3 0V SYSTEM_ POWER s S vor vine C3 cep HI R5 C4 T s 560K 4 7 BP EN TER C5 iii D2 RB520S 30 D3 RB520S 30 Note 1 Ferrite bead L1 is added for power noise reduction 2 C1 and C2 bypass should be put near the module For C3 the value chosen depends on the amount of system noise the range from 1uF to 100uF is reasonable 3 Damping resistors R1 and R2 could be modified based on system application for EMI 4 Ifyou need more support and information on antenna implementation please contact us at sales ascen co kr This document is the exclusive property of AscenKorea Inc and should not b
31. static Sensitive Devices ESD Careful handling of the GPS modules particularly to its patch antenna if included and RF_IN pin Please follow the standard ESD safety practices stated below v Unless there is a galvanic coupling between the local GND and the PCB GND then the first point of contact when handling the PCB shall always be between the local GND and PCB GND Y Before working with RF_IN pin please make sure the GND is connected v When working with RF_IN pin do not contact any charged capacitors or materials that can easily develop or store charges such as patch antenna coax cable soldering iron v Please do not touch the mounted patch antenna to prevent electrostatic discharge from the RF input v When soldering RF_IN pin please make sure to use an ESD safe soldering iron tip This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenkKorea Inc Document 35 GMM U2P Data Sheet Tape Reel Ver VOC 6 Reflow Soldering Temperature Profile The following reflow temperature profile was evaluated by AscenKorea and has been proven to be reliable qualitatively Please contact us beforehand if you plan to solder this component using a deviated temperature profile as it may cause significant damage to our module and your device All the information in th
32. the patch antenna and module Note References to patch antenna is referred to GPS modules with integrated Patch on top antennas PA Gms Module Series and may not be applicable to all GPS modules This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenkKorea Inc GMM U2P Data Sheet Tape Reel Before handling the PCBA they must be cooled to 35 C or below after they have undergone a reflow soldering process in order to prevent positional shift which may occurred when the module is still hot 1 When separating the PCBA panel into individual pieces using the V Cut process special attentions are needed to ensure that there are sufficient gap between patch antennas 2 If V Cut process is not available and the pieces must be separated manually please make sure the operators are not using excess force which may cause rotational offset to the patch antennas When separating panel into individual pieces during latter half of the production process special attentions are needed to ensure the patch antennas do not come in contact with one another in order to prevent chipped corners or positional shifts 1 One may use electric fans behind the reflow machine to cool them down 2 Cooling the PCBA can prevent the module from shifting due to fl
33. the weight of the module If so this will cause concerns at the latter half of the production process Before the PCBA is undergoing a reflow soldering process the production operators must check with own eyes to see if there are positional offset to the module because it will be difficult to readjust after the module has gone through reflow soldering process Pre bake Time 6 Hours 60 5 C or 4 Hours 70 5 C The parameters of the reflow temperature must be set accordingly to module s reflow soldering temperature profile A loading carrier fixture must be used with PCBA if the reflow soldering process is using rail conveyors for the production The operators must check with own eyes and readjust the position before reflow soldering process The maximum tolerated temperature for the tray is 100 C After the pre baking process please make sure the temperature is sufficiently cooled down to 35 C or below in order to prevent any tray deformation Double check to see if the surrounding components around the GPS module are displaying symptoms of cold weld ing or false welding If there is any bending or deformation to the PCBA board this might causes the PCBA to collide into one another during the unloading process Ifthe operator is planning to readjust the module position please do not touch the patch antenna while the module is hot in order to prevent rotational offset between
34. tion of the SMD pads due to excess moisture pressure This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice EE 8D GMM U2P Data Sheet Tape Reel Ver VOC 5 2 Tape Reel Packing Information One Reel have 1000pcs 16 0020 N m m H O u m x S I A A Section 9 40201 AQ gt kd B B Section u CJ Spec H 24 5 1 5 T 2 2 0 2 D 99 1 5 Note 13 Reel Material P S Unit mm Figure 1 Reel Dimension This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenkKorea Inc Document 3 1 GMM U2P Data Sheet Tape Reel Ver VOC 16 0020 1 5201 _ 0 302005 I 17 5020 2A Q o s T ia om H i hy A A Section 9 40201 AQ B B Section D Cl AO 9 4 0 10 13 1 0 10 KO 2 5 0 10 Unit mm Figure 2 Tape Dimension This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenKoreaine II III II C ocum
35. uid effect 1 The blade and the patch antenna must have a distance gap greater than 0 6mm 2 Do not use patch antenna as the leverage point when separating the panels by hand Use tray to separate individual pieces Document Ver VOC 37 s ncn nnd It is very easy to cause positional offset to the module and its patch antenna when handling the PCBA under high temperature 1 Test must be performed first to determine if V Cut process is going to be used Ensure that there is enough space between the blade and the patch antenna so that they do not touch one another 2 An uneven amount of manual force applied to the separation will likely to cause positional shift in patch antenna and module It is possible to chip corner and or cause a shift in position if patch antennas come in contact with each other Note References to patch antenna is referred to GPS modules with integrated Patch on top antennas PA Gms Module Series and may not be applicable to all GPS modules This document is the exclusive property of AscenKorea Inc and should not be distributed reproduced into any other format without prior permission of AscenKorea Inc Specifications subject to change without prior notice AscenkKorea Inc GMM U2P Data Sheet Tape Reel Document Ver VOC Other Cautionary Notes on Reflow Soldering Process 1 Module must be pre baked before going through SMT solder reflow process
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