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NMEA

Manual based on MediaTek

chipset

For u-blox, Fastrax IT500 series GPS/GNSS modules

Manual

Abstract

This document provides NMEA command manual for u-blox, Fastrax
IT500 series GPS/GNSS modules based on MediaTek chipset. This
NMEA command manual serves as a reference tool.

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Summary of Contents for Fastrax IT500 Series

Page 1: ...500 series GPS GNSS modules Manual Abstract This document provides NMEA command manual for u blox Fastrax IT500 series GPS GNSS modules based on MediaTek chipset This NMEA command manual serves as a r...

Page 2: ...ication This document applies to the following products Name ROM FLASH version PCN reference IT530M Flash N A IT530 Flash N A UC530M Flash N A UC530 Flash N A UP501 Flash N A UP501B Flash N A UP501D F...

Page 3: ...11 2 7 PMTK103 CMD COLD START 12 2 8 PMTK104 CMD FULL COLD START 12 2 9 PMTK120 CLEAR FLASH AID 12 2 10 PMTK127 CLEAR EPO FILE 12 2 11 PMTK161 ENTER STANDBY MODE 13 2 12 PMTK183 LOCUS QUERY LOGGING S...

Page 4: ...00 baud rate permanently 26 2 36 PMTK740 SET UTC TIME 26 2 37 PMTK741 SET INITIAL POSITION AND TIME 26 3 Query commands 28 3 1 PMTK400 API Q FIX CTL 28 3 2 PMTK401 API Q DGPS MODE 28 3 3 PMTK413 API Q...

Page 5: ...me of the fix hh hours mm minutes ss seconds dd decimal part of seconds xxmm dddd Latitude coordinate xx degrees mm minutes dddd decimal part of minutes N S Character denoting either N North or S Sout...

Page 6: ...0 061112 D 70 Format GPRMC hhmmss dd S xxmm dddd N S yyymm dddd E W s s h h ddmmyy d d E W M hh CR LF Type Description hhmmss dd UTC time of the fix hh hours mm minutes ss seconds dd decimal part of s...

Page 7: ...No 00 99 dB Hz Value of zero means that the satellite is predicted to be on the visible sky but it isn t being tracked 1 7 GSA DOP and Active Satellites GPS receiver operating mode satellites used in...

Page 8: ...degrees M Letter M denoting Magnetic heading in degrees s ss Speed in knots N Letter N denoting speed in knots s ss Speed km h K Letter K denoting speed in km h M Mode indicator A autonomous N data no...

Page 9: ...ngth depending on the command type A comma symbol must be inserted before each data field to help the decoder process the DataField 1 byte character The star symbol is used to mark the end of DataFiel...

Page 10: ...number 000 DataField None Example PMTK000 32 CR LF Reply see next chapter 2 2 PMTK001 ACK Command purpose Acknowledge a PMTK000 command Command number 001 DataField PMTK001 Cmd Flag Cmd The command pa...

Page 11: ...y only for MT333X based receivers IT530 IT530M UC530 and UC530M Example PMTK010 001 2E CR LF 2 4 PMTK011 Output System Text Command purpose Output system text message Command number 011 DataField Mess...

Page 12: ...That is reset the receiver to the factory status Command number 104 DataField None Example PMTK104 37 CR LF 2 9 PMTK120 CLEAR FLASH AID Command purpose Erase aiding data stored in the flash memory Com...

Page 13: ...US logging status Command number 183 DataField None Return PMTKLOG Serial Type Mode Content Interval Distance Speed Status Number Percent CH Serial Logging serial number 0 65535 Type Logging type 0 Ov...

Page 14: ...M 2 14 PMTK185 LOCUS START STOP LOGGER Command purpose Stop or start logging data Command number 185 DataField PMTK185 Status Status Stop logging 0 Stop logging 1 Start logging Example PMTK185 1 23 CR...

Page 15: ...13005B 2E37464F 027FD670 42DD9EC6 4113005E 3D37464F 027FD670 42DC9EC6 4113004C 59 PMTKLOX 1 2 4C37464F 027FD670 42DC9EC6 4113003D 5B37464F 027FD670 42DC9EC6 4113002A 6A37464F 027FD670 42DD9EC6 4113001...

Page 16: ...ed or disabled Command number 869 DataField PMTK869 Cmd Type Enable CmdType Set or query 0 Query 1 Set 2 Result for Query operation Enable Enable or Disable 0 Disable 1 Enable Example To query if EASY...

Page 17: ...t power saving modes One is Periodic Standby Mode and another is Periodic Backup Mode Due to hardware limitations the maximum power down duration SLEEP is 2047 seconds If the configured SLEEP interval...

Page 18: ...sleep time Interval msec to come out of a minimum power sleep mode and start running in order to get a new position fix Range Second set both 0 or 1000 518400000 Note the second run time should be la...

Page 19: ...e followed by command PMTK300 fixrate Command for changing the baud rate to 115200 PMTK251 115200 1F The output in the terminal should show obscured data Then you need to change the baud rate from the...

Page 20: ...e Set fix interval Command number 300 DataField PMTK300 Fixinterval 0 0 0 0 Fixinterval Unit is milliseconds Range 100 10000 Example PMTK300 1000 0 0 0 0 1C CR LF Set fix interval to 1000 milliseconds...

Page 21: ...GPGSA interval GNSS DOPS and Active Satellites 5 NMEA_SEN_GSV GPGSV interval GNSS Satellites in View 6 NMEA_SEN_GRS GPGRS interval GNSS Range Residuals not supported on fw 150M 7 NMEA_SEN_GST GPGST i...

Page 22: ...ware 2 27 PMTK330 API SET DATUM Command purpose Set default datum Command number 330 DataField PMTK330 Datum Datum 0 WGS84 1 TOKYO M 2 TOKYO A Support 219 different datums The total datums list in App...

Page 23: ...1 335 3 35 CR LF 2 30 PMTK351 SET QZSS NMEA FORMAT Command purpose The receiver supports the new NMEA format for QZSS The command allows the user to enable or disable QZSS NMEA format Default is to di...

Page 24: ...llites GLONASS_Enabled 0 disable DO NOT search GLONASS satellites 1 or non ZERO search GLONASS satellites Example PMTK353 0 1 36 CR LF Search GLONASS satellites only PMTK353 1 0 36 CR LF Search GPS sa...

Page 25: ...fault settings of the NMEA output permanently Write the user setting to the flash to override the default setting Maximum 8 times without erase the chip Command number 390 DataField PMTK390 Lock Updat...

Page 26: ...mit settings cannot be changed until the module is re flashed This message applies only for MT332X based IT500 IT520 and UP501 2 36 PMTK740 SET UTC TIME Command purpose Init UTC time Please do not use...

Page 27: ...geodetic longitude Note suggest to express this value in floating point with 6 decimal points Minus west Plus east Range 180 0 180 0 Alt WGS84 ellipsoidal altitude in meters YYYY year in 4 digits rang...

Page 28: ...rn PMTK_DT_FIX_CTL Example PMTK400 36 CR LF 3 2 PMTK401 API Q DGPS MODE Command purpose Query DGPS mode Command number 401 DataField None Return PMTK500 DT DGPS MODE Example PMTK401 37 CR LF 3 3 PMTK4...

Page 29: ...0 35 CR LF 3 6 PMTK431 API Q DATUM ADVANCE Command purpose Query user defined datum Command number 431 DataField None Return PMTK_DT_DATUM Example PMTK431 34 CR LF Reply PMTK530 6377397 155 299 152812...

Page 30: ...y the status of EPO file loaded into flash memory Command number 607 DataField 0 Status Example PMTK607 0 2F CR LF Reply PMTK707 56 1565 345600 1567 324000 1565 367200 1565 367200 1E Explanation Recei...

Page 31: ...0100 and the Valid SV s numbers are 3 6 7 11 13 16 19 23 31 4 4 PMTK661 Q AVAILABLE SV ALM Command purpose Query valid almanac after specified interval a Host MT3329 A PMTK661 command to request the a...

Page 32: ...s a feature that can very easily be filtered by monitoring Valid A flag and invalid V flag in the RMC message Here is an example of a NOT VALID output fix GPRMC 000040 026 V 6016 3376 N 02458 3604 E 0...

Page 33: ...Zaire Zambia Zimbabwe 22 Arc1950 Swaziland 23 Arc1950 Zaire 24 Arc1950 Zambia 25 Arc1950 Zimbabwe 26 Arc1960 Mean for Kenya Tanzania 27 Arc1960 Kenya 28 Arc1960 Tamzamia 29 Ascension Island1958 Ascens...

Page 34: ...den Switzerland 68 European 1950 Mean for Austria Debnmark France W Germany Netherland Switzerland 69 European 1950 Mean for Irag Israel Jordan Lebanon Kuwait Saudi Arabia Syria 70 European 1950 Portu...

Page 35: ...80 degW 121 North American 1927 Alaska Aleutian Ids West of 180 degW 122 North American 1927 Bahamas Except San Salvador Islands 123 North American 1927 Bahamas San Salvador Islands 124 North American...

Page 36: ...anto 1936 Porto Santo Maderia Islands 164 Provisional South American 1956 Bolovia 165 Provisional South American 1956 Chile Northern Near 19 deg S 166 Provisional South American 1956 Chile Southern Ne...

Page 37: ...Venezuela 203 South American 1969 Paraguay 204 South American 1969 Peru 205 South American 1969 Trinidad and Tobago 206 South American 1969 Venezuela 207 South Asia Singapore 208 Tananarive Observator...

Page 38: ...PMTK390 modified msg support Changed lockbit to zero on example Added message descriptions GLL Geographic position VTG Course and speed ZDA Time and date 1 9 23 Feb 2012 kkai Added support to IT530 sp...

Page 39: ...blox AG Phone 41 44 722 74 44 E mail info u blox com Technical Support Phone 41 44 722 74 44 E mail support u blox com Asia Australia Pacific u blox Singapore Pte Ltd Phone 65 6734 3811 E mail info_a...

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