Globalsat ET-314AC Скачать руководство пользователя страница 6 | Manualshive

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Globalsat ET-314AC Скачать руководство пользователя страница 6

ET-314AC
High Performance GPS Engine Board

2010/4/1

- 6 -

Environmental Characteristics

Parameter

Min

Typ

Max

Unit

Humidity Range

5

95

% non-condensing

Operation Temperature

-40

25

85

℃

Storage Temperature

-40

85

℃

Physical Characteristic

Type 30-pin stamp holes

Dimensions 25.4 mm *25.4 mm * 2.50 mm ±0.2mm

Package Dimensions

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Содержание ET-314AC

Страница 1: ...ion 2 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...

Страница 2: ...avigation z Personal positioning z Fleet management z Mobile phone navigation z Marine navigation Product Features z SiRF star III high performance GPS Chipset z Very high sensitivity Tracking Sensiti...

Страница 3: ...ET 314AC High Performance GPS Engine Board 2010 4 1 3 Product Block Diagram Product Pin Description...

Страница 4: ...ftware Output TTL level 0V 2 85V 6 TxD1 O Serial output default null 7 RxD1 I Serial input default null 1 8 GPIO14 I O General purpose I O 1 3 9 25 26 NC ET 314AC reserves PIN 11 12 13 14 15 16 18 GND...

Страница 5: ...input Current 10 10 60 V 2 85V with Pull Low uA Low Level input Current 10 10 60 V 0V with Pull High uA High Level output Voltage 0 75 VDD V Low Level output Voltage 0 25 VDD V RF Input Input Impedan...

Страница 6: ...nvironmental Characteristics Parameter Min Typ Max Unit Humidity Range 5 95 non condensing Operation Temperature 40 25 85 Storage Temperature 40 85 Physical Characteristic Type 30 pin stamp holes Dime...

Страница 7: ...9B332MRN 3 3V VIN 1 GND 2 NC 4 CE 3 VOUT 5 C1 22UF 10V GPS POWER GPS_3V3 L1 BLM18AG121SN1D GPS Active Antenna Specifications Recommendation Frequency 1575 42 2MHz Amplifier Gain 18 22dB Typical Axial...

Страница 8: ...main power is off Without the external backup battery ET 314AC will always execute a cold star after turning on To achieve the faster start up offered by a hot or warm start a battery backup must be...

Страница 9: ...1229 487 hhmmss sss Latitude 3723 2475 ddmm mmmm N S Indicator N N north or S south Longitude 12158 3416 dddmm mmmm E W Indicator W E east or W west Position Fix Indicator 1 See Table A 2 Satellites U...

Страница 10: ...e GPGLL 3723 2475 N 12158 3416 W 161229 487 A A 41 Table A 3 GLL Data Format Name Example Units Description Message ID GPGLL GLL protocol header Latitude 3723 2475 ddmm mmmm N S Indicator n N north or...

Страница 11: ...atellites in View Table A 5 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 Tab...

Страница 12: ...ge ID GPRMC RMC protocol header UTC Time 161229 487 hhmmss sss Status1 A A data valid or V data not valid Latitude 3723 2475 ddmm mmmm N S Indicator N N north or S south Longitude 12158 3416 dddmm mmm...

Страница 13: ...able A 7 RMC Data Format Name Example Units Description Message ID GPVTG VTG protocol header Course 309 62 degrees Measured heading Reference T True Course degrees Measured heading Reference M Magneti...

Страница 14: ...n a valid message is received the parameters are stored in battery backed SRAM and the receiver will resumes using the saved parameters Table B 1 contains the input values for the following example Sw...

Страница 15: ...g word Table B 2 contains the input values for the following example Start using known position and time PSRF101 2686700 4304200 3851624 96000 497260 921 12 3 1C Name Example Units Description Message...

Страница 16: ...ge ID 8 Raw DGPS Message ID 17 NL Measurement Data Message ID 28 DGPS Data Message ID 29 SV State Data Message ID 30 and NL Initialized Data Message ID 31 All messages sent at 1 Hz If SiRFDemo is used...

Страница 17: ...der Baud 9600 1200 2400 4800 9600 19200 38400 57600 115200 DataBits 8 8 7 Note that SiRF protocol is only valid for 8 Data bits StopBits 1 0 1 Parity 0 0 None 1 Odd 2 Even Checksum 12 CR LF End of mes...

Страница 18: ...Navigation lnitialization ID 104 Parameters required to start using Lat Lon Alt This command is used to cause a restart of the receiver and to specify the type of restart Optionally it may also initia...

Страница 19: ...EF X Y Z Clock Offset Time of Week and Week number to initialize the receiver 0 Ignore data fields 1 Clear ephemeris from memory blocks Snap or Hot Start from occurring 2 Clear all history except cloc...

Страница 20: ...um to be used for coordinate Transformations This message allows the selection of an alternate map datum The receiver software may contain one or more alternate datums in addition to WGS84 the default...

Страница 21: ...ceives 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...

Страница 22: ...ET 314AC High Performance GPS Engine Board 2010 4 1 22 Recommended Reflow Profile Pre heating temperature 150 10 Pre heating time 90 30 sec Heating temperature 235 5 Heating time 10 1 sec...

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