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Globalsat ER-332 User Manual

Gps engine board
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Globalsat Technology Corporation
16F., No. 186, Jian-Yi Road, Chung-Ho City, Taipei Hsien 235, Taiwan
Tel: 886-2-8226-3799/ Fax: 886-2-8226-3899
service@globalsat.com.tw
www.globalsat.com.tw
ER-332
GPS Engine Board
ER-332
Page 1 of 14
USGlobalSat, Inc.
14740 Yorba Court, Chino, CA 91710
Tel: 909.597.8525 / Fax: 909.597.8532
oem@usglobalsat.com
www.usglobalsat.com
Specifications are subject to be changed without notice.
Version 1.3.1

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Summary of Contents for Globalsat ER-332

  • Page 1 ER-332 Version 1.3.1 GPS Engine Board ER-332 Globalsat Technology Corporation USGlobalSat, Inc. 16F., No. 186, Jian-Yi Road, Chung-Ho City, Taipei Hsien 235, Taiwan 14740 Yorba Court, Chino, CA 91710 Tel: 886-2-8226-3799/ Fax: 886-2-8226-3899 Tel: 909.597.8525 / Fax: 909.597.8532 service@globalsat.com.tw oem@usglobalsat.com www.globalsat.com.tw...

  • Page 2: Product Information

    1. Product Information Product Part I.D. ER-332 Product Description: The ER-332 GPS engine board is low cost but maintains high reliability and accuracy making it an ideal choice for integration with OEM/ODM systems. Product Features: SiRF Star III/ LP Single Very high sensitivity (Tracking Sensitivity: -159dBm) Compact PCB allows for easier integration into space limited environments.
  • Page 3 ER-332 Version 1.3.1 Reacquisition 0.1 second average Accuracy Position: 10 meters, 2D RMS 5 meters, 2D RMS, WAAS enabled Velocity: 0.1 m/s Time: 1us synchronized to GPS time Maximum Altitude 18,000 meter (60,000 feet) max Maximum Velocity 515 meter/second (1000 knots) max...

  • Page 4: Technical Information

    ER-332 Version 1.3.1 2. Technical Information Physical Characteristics Specifications are subject to be changed without notice. Page 4 of 14...

  • Page 5: Pin Assignment

    ER-332 Version 1.3.1 Pin Assignment Name Description Type Ground VBAT Backup Battery Input 3.8V~5.5V DC Power Input Input PBRES Push Button Reset Input (Active Low) Input GPIO1 (Reserved) Serial Data Output A (GPS Data) Output Serial Data Input A (Command)

  • Page 6: Software Commands

    ER-332 Version 1.3.1 * PBRES (Push button reset): This pin provides an active-low reset input to the engine board. It causes the engine board to reset and start searching for satellites. * SELECT: Do not connect (do not use) * TXA: This is the main transmits channel for outputting navigation and measurement data to user’s navigation software or user written software.
  • Page 7 ER-332 Version 1.3.1 Age of Diff. Corr. second Null fields when DGPS is not used Diff. Ref. Station ID 0000 Checksum <CR><LF> End of message termination SiRF Technology Inc. does not support geoid corrections. Values are WGS84 ellipsoid heights. Table B-3 Position Fix Indicator...
  • Page 8 ER-332 Version 1.3.1 Satellite Used Sv on Channel 2 Satellite Used Sv on Channel 12 PDOP Position dilution of Precision HDOP Horizontal dilution of Precision VDOP Vertical dilution of Precision Checksum <CR><LF> End of message termination 1. Satellite used in solution.
  • Page 9 ER-332 Version 1.3.1 SNR(C/No) dBHz Range 0 to 99,null when not tra Checksum <CR><LF> End of message termination Depending on the number of satellites tracked multiple messages of GSV data may be required. RMC-Recommended Minimum Specific GNSS Data Table B-9 contains the values for the following example: $GPRMC,161229.487,A,3723.2475,N,12158.3416,W,0.13,309.62,120598,,*10...
  • Page 10 ER-332 Version 1.3.1 <CR><LF> End of message termination ■ NMEA Input Command A.) Set Serial Port ID:100 Set PORTA parameters and protocol This command message is used to set the protocol (SiRF Binary, NMEA, or USER1) and/or the communication parameters (baud, data bits, stop bits, parity). Generally, this command is utilize to switch the GPS module back to SiRF Binary protocol mode, where an extensive message commands are readily available.
  • Page 11 ER-332 Version 1.3.1 INT32 <Y> Y coordinate position INT32 <Z> Z coordinate position INT32 <ClkOffset> Clock offset of the receiver in Hz, Use 0 for last saved value if available. If this is unavailable, a default value of 75000 for GSP1, 95000 for GSP 1/LX is used.
  • Page 12 ER-332 Version 1.3.1 D.) Query/Rate Control ID:103 Query standard NMEA message and/or set output rate This command is used to control standard NMEA data output messages: GGA, GLL, GSA, GSV, RMC, and VTG. Using this command message, standard NMEA message is polled once, or setup for periodic output.
  • Page 13 ER-332 Version 1.3.1 <ClkOffset> Clock Offset of the receiver in Hz, use 0 for last saved value if available. If this is unavailable, a default value of 75000 for GSP1, 95000 for GSP1/LX is used. INT32 <TimeOfWeek> GPS Time Of Week UINT32 <WeekNo>...
  • Page 14 ER-332 Version 1.3.1 Name Example Units Description Message ID $PSRF106 PSRF106 protocol header Datum 21= WGS84 178= Tokyo_Mean 179= Tokyo_Japan 180= Tokyo_Korea 181= Tpkyo_Okinawa Checksum <CR><LF> End of message termination * * * Specifications are subject to be changed without notice.

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