Globalsat EB-3531 User Manual Download Page 3

             

 

EB-3531

 

 

 

Specifications are subject to be changed without notice. 

Page 3 of 21

 

 

Version 1.2.1 

Channels 20 

 

Flash 4Mbit 

 

Sensitivity Tracking:-159dBm 
Cold Start 

42 seconds, average 

Warm Start 

38 seconds, average 

Hot Start 

1 second, average 

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 

Maximum Velocity 

515 meter/second 

Maximum Acceleration 

4G 

Update Rate 

1 Hz 

DGPS 

WAAS, EGNOS, MSAS 

Datum WGS-84 

Interface 

I/O Pins 

2 serial ports 

Physical Characteristic 

Type 22-pin 

stamp 

holes 

Dimensions 

15 mm * 13mm * 2.2 mm ±0.2mm 

DC Characteristics 

Power Supply 

3.3Vdc 

±

 5% 

Backup Voltage 

2.0 ~ 3.6Vdc 

Power Consumption 

Acquisition: 60mA 
Tracking: 42mA   

Environmental Range 

Humidity Range 

5% to 95% non-condensing 

Operation Temperature 

-30C to 85C 

Storage Temperature 

-40C to 85C 

 

Summary of Contents for EB-3531

Page 1: ...3531 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 USGlobalSat I...

Page 2: ...Features 9 SiRF GSC3f LP high performance GPS Chipset 9 Very high sensitivity Tracking Sensitivity 159 dBm 9 Extremely fast TTFF Time To First Fix at low signal level 9 All in view 20 channel paralle...

Page 3: ...0 1 m s Time 1us synchronized to GPS time Maximum Altitude 18 000 meter Maximum Velocity 515 meter second Maximum Acceleration 4G Update Rate 1 Hz DGPS WAAS EGNOS MSAS Datum WGS 84 Interface I O Pins...

Page 4: ...EB 3531 Specifications are subject to be changed without notice Page 4 of 21 Version 1 2 1 2 Technical Information Block Diagram Module Pin Assignment...

Page 5: ...O 8 GPIO1 I O General purpose I O 9 RF_PWR CTR RF Power ON OFF 10 ON_OFF I Edge triggered soft on off request It must be low for normal application 11 VBAT PWR Backup battery supply voltage 12 VCC PW...

Page 6: ...B 1PPS TXA RXA GND NC GPIO0 GPIO1 RF_PWR ON_OFF VBAT VCC GPIO13 GPIO14 GPIO15 GND BOOTSEL VCC_RF GND RF_IN GND R6 270R 1 2 U1 XC6209B332MRN 3 3V 1 2 4 3 5 VIN GND NC CE VOUT C2 10UF 16V GPS_3V3 C5 1UF...

Page 7: ...EB 3531 Specifications are subject to be changed without notice Page 7 of 21 Version 1 2 1 Dimensions Recommend Layout PAD Tolerances 0 1mm...

Page 8: ...IO1 RF_PWR ON_OFF VBAT VCC GPIO13 GPIO14 GPIO15 GND BOOTSEL VCC_RF GND RF_IN GND MS518S FL35E BATTERY 1 2 R6 270R 1 2 TXA D2 RB512S RXA L3 BLM18AG121SN1D RFSwitch 24 20003 12030N 1 2 1 2 50 Ohm Micro...

Page 9: ...it on the top layer Keep the RF traces as short as possible Antenna Keep the active antenna on the top of your system and confirm the antenna radiation pattern axial ratio power gain noise figure VSW...

Page 10: ...s possible VBAT This is the battery backup power input for the SRAM and RTC when main power is removed Typically the current draw is 15uA Without the external backup battery the module engine board wi...

Page 11: ...Specifications are subject to be changed without notice Page 11 of 21 Version 1 2 1 Demo Kit Test Description Connect J2 of the demo kit Male to J5 of the Test Board Female as the diagram below Pin As...

Page 12: ...gnal Name 1 NC 2 VCC 3 NC 4 VCC 5 NC 6 NC 7 NC 8 NC 9 NC 10 GND 11 TXA 12 RXA 13 GND 14 TXB 15 RXB 16 GND 17 NC 18 GND 19 NC 20 NC J3 Pin Signal Name Pin Signal Name 1 TIMEMARK 2 VCC_RF 3 NC 4 GPIO15...

Page 13: ...ands NMEA Output Command GGA Global Positioning System Fixed Data 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 0000 18 Table B 2 GGA...

Page 14: ...s Values are WGS84 ellipsoid heights Table B 3 Position Fix Indicator Value Description 0 Fix not available or invalid 1 GPS SPS Mode fix valid 2 Differential GPS SPS Mode fix valid 3 GPS PPS Mode fix...

Page 15: ...lution of Precision VDOP 1 5 Vertical dilution of Precision Checksum 33 CR LF End of message termination 1 Satellite used in solution Table B 6 Mode1 Value Description M Manual forced to operate in 2D...

Page 16: ...tains the values for the following example GPRMC 161229 487 A 3723 2475 N 12158 3416 W 0 13 309 62 120598 10 Table B 9 RMC Data Format Name Example Units Description Message ID GPRMC RMC protocol head...

Page 17: ...ailable In example whenever users are interested in altering navigation parameters a valid message sent and is receive by the recipient module the new parameters will be stored in battery backed SRAM...

Page 18: ...rs as a basis for satellite selection and acquisition Format PSRF101 X Y Z ClkOffset TimeOfWeek WeekNo chnlCount ResetCfg CKSUM CR LF X X coordinate position INT32 Y Y coordinate position INT32 Z Z co...

Page 19: ...ntrol 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 In addition checksums may also be enab...

Page 20: ...or 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 GPS Week Number UINT16 ChannelCount...

Page 21: ...an earth model geoid defined by the selected datum The default datum is WGS 84 World Geodetic System 1984 which provides a worldwide common grid system that may be translated into local coordinate sy...

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