环天 GPS导航设备-ET-312说明书.pdf

发布时间：2022-05-13 发布人：admin 分类：说明书资料大小：0.11M 资料格式：pdf 举报版权申诉

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Globalsat Technology Corporation PRODUCT USER MANUAL GPS ENGINE BOARD ET-312 Globalsat Technology Corporation Headquarters (Far East Century Park) 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.tw

GPS ENGINE BOARD: ET-312 10 meters, 2D RMS 5 meters, 2D RMS, WAAS enabled 0.1 m/s 1us synchronized to GPS time SiRF StarⅢ L1, 1575.42 MHz 1.023 MHz chip rate 20 channel all-in-view tracking WGS-84 Specification: General Chipset Frequency C/A code Channels Sensitivity -159 dBm Accuracy Position Velocity Time Datum Default Acquisition Time Reacquisition Hot start Warm start Cold start Dynamic Conditions Altitude Velocity Acceleration Jerk Power 3.3V +- 5% DC input Main power input Power consumption 80mA (Continuous mode) 65mA(Trickle power mode) Interface Dimension Baud rate Output message 0.1 sec., average 1 sec., average 38 sec., average 42 sec., average 18,000 meters (60,000 feet) max 515 meters /second (1000 knots) max Less than 4g 20m/sec **3 27.9mm * 20mm * 2.9mm 4,800 to 57,600 bps adjustable SiRF binary or NMEA 0183 GGA, GSA, GSV, RMC,VTG,GLL Antenna Active or passive antenna Environmental Operating Temp -40ºC to +85ºC Globalsat Technology Corporation Tel: 886-2-8226-3799/Fax: 886-2-8226-3899 E-mail : service@globalsat.com.tw Website: www.globalsat.com.tw

GPS ENGINE BOARD: ET-312 Pin Assignment M1 GND RF GND GND GND GND VIN 1 2 3 4 5 6 7 GND GND RX TX GPIO1 BATTERY 13 12 11 10 9 8 GPS Engine Board Pin description Pin NO. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Pin Name GND RF GND GND GND GND VIN BATTERY GPIO1 TX RX GND GND Remark Ground. Connect to Patch Antenna or Connect to External Active Antenna. While external antenna is used, the optional power is needed. Ground. Ground. Ground. Ground. This is the main DC supply for a 3.3V +- 5% DC input power module board. This is the battery backup input that powers the SRAM and RTC when main power is removed. Typical current draw is 15uA. Without an external backup battery, the module/engine board will execute a cold star after every turn on. To achieve the faster start-up offered by a hot or warm start, a battery backup must be connected. The battery voltage should be between 2.0v and 5.0v. User can use this I/O pin for special function.For example, on/off LED 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 SiRFdemo software or from user written software. Ground. Ground. Globalsat Technology Corporation Tel: 886-2-8226-3799/Fax: 886-2-8226-3899 E-mail : service@globalsat.com.tw Website: www.globalsat.com.tw

GPS ENGINE BOARD: ET-312 Block Diagram Globalsat Technology Corporation Tel: 886-2-8226-3799/Fax: 886-2-8226-3899 E-mail : service@globalsat.com.tw Website: www.globalsat.com.tw

GPS ENGINE BOARD: ET-312 Reference Design Globalsat Technology Corporation Tel: 886-2-8226-3799/Fax: 886-2-8226-3899 E-mail : service@globalsat.com.tw Website: www.globalsat.com.tw

GPS ENGINE BOARD: ET-312 Recommend Drawing Globalsat Technology Corporation Tel: 886-2-8226-3799/Fax: 886-2-8226-3899 E-mail : service@globalsat.com.tw Website: www.globalsat.com.tw

GPS ENGINE BOARD: ET-312 Recommend Layout PAD Globalsat Technology Corporation Tel: 886-2-8226-3799/Fax: 886-2-8226-3899 E-mail : service@globalsat.com.tw Website: www.globalsat.com.tw

GPS ENGINE BOARD: ET-312 Placement Drawing Globalsat Technology Corporation Tel: 886-2-8226-3799/Fax: 886-2-8226-3899 E-mail : service@globalsat.com.tw Website: www.globalsat.com.tw

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