GLOBALSAT GPS Engine Board Hardware Data Sheet Product No : EB-5662RE Version 1.2 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 E-mail : service@globalsat.com.tw Website: www.globalsat.com.
EB-5662RE High Performance GPS Engine Board Product Description Product Description EB-5662RE GPS module features high sensitivity, low power and ultra small form factor. This GPS module is powered by SiRF Star IV, it can provide you with superior sensitivity and performance even in urban canyon and dense foliage environment.
EB-5662RE High Performance GPS Engine Board Product Block Diagram PIN Number(s) 3 Name TXD Type O Description Note This is the main transmits channel for outputting navigation and measurement data to user’s navigation software or user written software. Output TTL level, 0V ~ 2.85V. This is the main receive channel for receiving software commands to the engine board from 4 RXD I 5,6 VCC P Main power supply to the engine board. 7,13,14,15,17 GND P Ground.
EB-5662RE High Performance GPS Engine Board 1. GPIO is 1.8V Level 2. The ON_OFF pin commands the EB-5662RE ON or OFF. The turn ON command is a hardware feature of the Power Control FSM when sensing a rising edge on the pin. The turn OFF command is a software feature based on interrupts related to rising and/or falling edges and/or sensing of pin levels. 3. The WAKE_UP pin is an output from the EB-5662RE used to enable an external PMIC.
EB-5662RE High Performance GPS Engine Board Receiver Performance Tracking : Autonomous acquisition : Sensitivity Cold Start – Autonomous Time-To-First-Fix1 Warm Start – Autonomous2 -163dBm -160 dBm < 35s <15s (with CGEE) < 35s < 15s(with CGEE) Hot Start – Autonomous3 Horizontal Position Accuracy4 Autonomous Velocity Accuracy5 < 1s < 2.5m Speed < 0.01 m/s Heading < 0.01 degrees Reacquisition 0.
EB-5662RE High Performance GPS Engine Board Package Dimensions Type 28-pin stamp holes Dimensions 22.4 mm * 17 mm * 3.0 mm ±0.
EB-5662RE High Performance GPS Engine Board Application Application Circuit without ANTENNA Detect Function A1 GPS_ANTENNA 16 17 C9 CAP NP C8 CAP NP 18 19 20 21 22 23 24 25 ON_OFF 26 WAKE_UP 27 28 GND RF_IN GND GND NC VCC_RF VBAT V_ANT RESET A_DET_ANT NC NC VDD_3V3 NC GND NC VDD NC VDD ON_OFF RXD WAKE_UP TXD EIT DR_I2C_CLK TIMEPLUSE DR_I2C_DIO 14 13 12 11 GPS_3V3 10 RESET 9 8 3V3_OUT 7 6 GPS_3V3 5 4 RXD 3 TXA 2 I2C_CLK 1 I2C_DIO 2 1PPS OUTPUT GND R12
EB-5662RE High Performance GPS Engine Board GPS Active Antenna Specifications (Recommendation) Frequency: 1575.42 + 2MHz Amplifier Gain: 18~22dB Typical Axial Ratio: 3 dB Typical Output VSWR: 2.0 Max. Output Impedance: 50Ω Noise Figure: 2.0 dB Max Polarization: Antenna Input Voltage: 2.85V (Typ.) RHCP NOTE: 1. RESET: Low Active, when EB-5662RE is accepted this single, EB-5662RE going to Hibernate mode. If want EB-5662RE up, need input ON_OFF single. 2. TIMEPLUSE: One pulse per second output.
EB-5662RE High Performance GPS Engine Board OPERATING Description VCC This is the main power supply to the engine board. (3.1Vdc to 3.5Vdc) VDD3V3OUT This PIN is output voltage 3.3V. If do not use it, Just NC. GND This is Ground pin for the baseband circuit. ON_OFF The ON_OFF pin commands the EB-5662RE ON or OFF.
EB-5662RE High Performance GPS Engine Board VCC_RF VCC_RF can supply Active Antenna Bias voltage. This pin will supply Active Antenna power. If do not use it, Just NC. V-ANT_DET This pin is Active Antenna detect signal input, when this pin is accept low level, EB-5662RE will be output MNEA command: RESET This pin is input low active. This Module has internal Power on Reset circuit.
EB-5662RE High Performance GPS Engine Board SOFTWARE COMMAND NMEA Output Command GGA - Global Positioning System Fixed Data Note – Fields marked in italic red apply only to NMEA version 2.3 (and later) in this NMEA message description Table B-2 contains the values for the following example: $GPGGA,161229.487,3723.2475,N,12158.3416,W,1,07,1.0,9.0,M,-34.2,M,,0000*18 Table B-2 GGA Data Format Name Example Units Description Message ID $GPGGA GGA protocol header UTC Time 161229.487 hhmmss.
EB-5662RE High Performance GPS Engine Board Note: A valid status is derived from all the parameters set in the software. This includes the minimum number of satellites required, any DOP mask setting, presence of DGPS corrections, etc. If the default or current software setting requires that a factor is met, then if that factor is not met the solution will be marked as invalid. GLL - Geographic Position-Latitude/Longitude Note – Fields marked in italic red apply only to NMEA version 2.
EB-5662RE High Performance GPS Engine Board GSA - GNSS DOP and Active Satellites Table B-5 contains the values for the following example: $GPGSA,A,3,07,02,26,27,09,04,15,,,,,,1.8,1.0,1.5*33 Table B-5 GSA Data Format Name Example Message ID $GPGSA GSA protocol header Mode 1 A See Table B-6 Mode 2 3 See Table B-7 Satellite Used1 07 Sv on Channel 1 1 02 Sv on Channel 2 Satellite Used Units Description ….. Satellite Used1 PDOP 1.8 Position dilution of Precision 2 1.
EB-5662RE High Performance GPS Engine Board GSV - GNSS Satellites in View Table B-8 contains the values for the following example: $GPGSV,2,1,07,07,79,048,42,02,51,062,43,26,36,256,42,27,27,138,42*71 $GPGSV,2,2,07,09,23,313,42,04,19,159,41,15,12,041,42*41 Table B-8 GSV Data Format Name Example Message ID Number of Messages Message Number1 1 1 Units Description $GPGSV GSV protocol header 2 Range 1 to 3 1 Range 1 to 3 Satellites in View 07 Satellite ID 07 Elevation 79 degrees Channel 1(Max
EB-5662RE High Performance GPS Engine Board RMC - Recommended Minimum Specific GNSS Data Note – Fields marked in italic red apply only to NMEA version 2.3 (and later) in this NMEA message description 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,,,A*10 Table B-9 RMC Data Format Name Example Units Description Message ID $GPRMC RMC protocol header UTC Time 161229.487 hhmmss.
EB-5662RE High Performance GPS Engine Board VTG - Course Over Ground and Ground Speed Note – Fields marked in italic red apply only to NMEA version 2.3 (and later) in this NMEA message description Table B-10 contains the values for the following example: $GPVTG,309.62,T,,M,0.13,N,0.2,K,A*23 Table B-10 VTG Data Format Name Example Message ID $GPVTG Course 309.
EB-5662RE High Performance GPS Engine Board ZDA - Time and Date This message is included only with systems which support a time-mark output pulse identified as "1PPS". Outputs the time associated with the current 1PPS pulse. Each message is output within a few hundred ms after the 1PPS pulse is output and tells the time of the pulse that just occurred.
EB-5662RE High Performance GPS Engine Board 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 would be used to switch the module back to SiRF Binary protocol mode where a more extensive command message set is available. For example, to change navigation parameters.
EB-5662RE High Performance GPS Engine Board Format： $PSRF101,,,,,,,,*CK SUM X coordinate position INT32 Y coordinate position INT32 Z coordinate position INT32 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 will be used.
EB-5662RE High Performance GPS Engine Board command to allow the receiver to correctly decode the data. When a valid message is received, the parameters will be stored in battery backed SRAM and then the receiver will restart using the saved parameters. Format: ＄PSRF102,,,,*CKSUM 1200,2400,4800,9600,19200,38400 8 0,1 0=None, Odd=1,Even=2 Example: Set DGPS Port to be 9600,8,N,1 ＄PSRF102,9600,8,1.0*12 D).
EB-5662RE High Performance GPS Engine Board 3=ABP Off Output every seconds, off=0,max=255 0=disable Checksum,1=Enable checksum for specified message Example 1: Query the GGA message with checksum enabled ＄PSRF103,00,01,00,01*25 Example 2: Enable VTG message for a 1Hz constant output with checksum enabled ＄PSRF103,05,00,01,01*20 Example 3: Disable VTG message ＄PSRF103,05,00,00,01*21 E).
EB-5662RE High Performance GPS Engine Board UINT16 Number of channels to use. 1-12 UBYTE bit mask 0×01=Data Valid warm/hot starts=1 0×02=clear ephemeris warm start=1 0×04=clear memory. Cold start=1 UBYTE Example: Start using known position and time. ＄PSRF104,37.3875111,-121.97232,0,96000,237759,922,12,3*37 F).
EB-5662RE High Performance GPS Engine Board Datum 178 Checksum *32 21=WGS84 178=TOKYO_MEAN 179=TOKYO_JAPAN 180=TOKYO_KOREA 181=TOKYO_OKINAWA Debug End of message termination - 23 -
EB-5662RE High Performance GPS Engine Board PCB Layout Recommend Recommended Layout PAD Unit: mm Tolerance: 0.1mm PCB Layout Recommendations Do not routing the other signal or power trace under the engine board. RF: This pin receives signal of GPS analog via external active antenna .It has to be a controlled impedance trace at 50ohm. Do not place the RF traces close to the other signal path and not routing it on the top layer. Keep the RF traces as short as possible.
EB-5662RE High Performance GPS Engine Board Recommended Reflow Profile: Pre heating temperature: Heating temperature: 150±10[℃] 235±5[℃] Pre heating time: 90±30[sec.] Heating time: 10±1[sec.] Peak temperature must not exceed 240℃ and the duration of over 200℃ should be 30±10 Seconds.
EB-5662RE High Performance GPS Engine Board Appendix LABEL Artwork A: Brand: GLOBALSAT B: MODULE Model: EB-5662RE B-1: R = UART, I = I2C I/F E = Included EEPROM C: CHIP Type: SiRF IV D: Bar code E: Serial Number: □ □ □ □□□□ Product NO (HEX) Place of origin, T= Taiwan, C=China Product Month, 123456789XYZ, X->Oct,Y->Nov,Z->Dec Product Year Function Description EB-5662RC EB-5662RC default is close Static Mode and SBAS; B/R setting 4800; NMEA output is GGA, GLL, GSA and RMC.
