丽台 GPS导航设备-Leadtek GPS 9101说明书.pdf-资料库

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LR9101 GPS Module i

1. 3.7.1. 3.7.2. INTRODUCTION..................................................................................................................1 1.1. FEATURES.........................................................................................................................1 1.2. ADVANTAGES...................................................................................................................2 2. TECHNICAL SPECIFICATIONS.......................................................................................2 2.1. MODULE ARCHITECTURE ..................................................................................................2 2.2. HARDWARE FEATURES .....................................................................................................3 SOFTWARE FEATURES ......................................................................................................3 2.3. 2.4. MECHANICAL SPECIFICATION ...........................................................................................3 RECOMMENDED GPS ANTENNA SPECIFICATION ..............................................................4 2.5. ENVIRONMENTAL SPECIFICATION.....................................................................................4 2.6. PRODUCT COMPLIANCE.....................................................................................................5 2.7. REFERENCE DESIGN ..........................................................................................................7 2.8. 3. PERFORMANCE CHARACTERISTICS...........................................................................8 POSITION AND VELOCITY ACCURACY................................................................................8 3.1. 3.2. DYNAMIC CONSTRAINS.....................................................................................................8 3.3. ACQUISITION TIME 1..........................................................................................................8 TIMING 1PPS OUTPUT.......................................................................................................9 3.4. SENSITIVITY .....................................................................................................................9 3.5. BATTERY BACKUP (SRAM/RTC BACKUP) .......................................................................9 3.6. 3.7. DIFFERENTIAL AIDING ......................................................................................................9 Differential GPS (DGPS): Option............................................................................9 Satellite Based augmentation System (WASS/EGONS): Option..............................9 4. HARDWARE INTERFACE POWER SUPPLY...............................................................10 SPECIFICATIONS..............................................................................................................10 Pin Positions ..........................................................................................................10 Pin Assignment.......................................................................................................11 5. SOFTWARE INTERFACE.................................................................................................12 5.1. NMEA OUTPUT MESSAGES.............................................................................................12 SIRF BINARY ..................................................................................................................12 5.2. 6. MECHANICAL DRAWING AND FOOTPRINT ............................................................13 6.1. OUTLINE DRAWING ........................................................................................................13 RECOMMENDED FOOTPRINT (BOTTOM VIEW) .................................................................14 6.2. 7. AUTOMATED MANUFACTURING COMPONENTS ..................................................15 REEL AND TAPING SPECIFICATIONS.................................................................................15 POLYSTYRENE ALLOY TAPING SPECIFICATIONS.............................................................16 POLYSTYRENE ALLOY TAPING DRAWING ......................................................................16 8. ROHS COMPLIANT INFORMATION............................................................................17 ROHS SOLDERING PROFILE.............................................................................................17 Reflow Profile.........................................................................................................................17 GLOSSARY..................................................................................................................................18 7.1. 7.2. 7.3. 4.1. 4.1.1. 4.1.2. 8.1. ii

1. Introduction LR9101 Specifications Sheet Rev. 0.6 The Leadtek GPS 9101 module (LR9101) is a high sensitivity, high gain, low power and very compact Surface Mount Device (SMD). This 20-channel global positioning system (GPS) receiver is designed for a broad spectrum of OEM applications and is based on the fast and deep GPS signal search capabilities of SiRF StarIII™ single chip architecture. Leadtek GPS 9101 is designed to allow quick and easy integration into GPS-related applications, especially for compact size devices, such as: PDA, Pocket PC and other computing devices Fleet Management / Asset Tracking AVL and Location-Based Services Hand-held Device for Personal Positioning and Navigation 1.1. Features Hardware and Software Based on the high performance features of the SiRF Star III single chip Built-in high gain amplifier and band pass filter RoHS compliant (lead-free) Compact module size for easy integration: 15x14x2.8 mm (590.6x551.2x110.2 mil). SMT pads allow for fully automatic assembly processes equipment and reflow soldering SiRFLocTM Client AGPS support Performance Cold/Warm/Hot Start Time: 42 / 38 / 1 sec. Reacquisition Time: 0.1 second RF Metal Shield for best performance in noisy environments Multi-path Mitigation Hardware © 2006 Leadtek Research Inc. All rights reserved. Preliminary Confidential - Information is subject to change without prior notice. Page 1/21

Interface LR9101 Specifications Sheet Rev. 0.6 TTL level serial port for GPS communications interface Protocol: NMEA-0183/SiRF Binary (default NMEA) Baud Rate: 9600, 19200 bps (default 9600) 1.2. Advantages Ideal for compact size devices Data / Power / RF through surface mount pads Cost saving through elimination of RF and board to board digital connectors Flexible and cost effective hardware design for different application requirements Secure SMD PCB mounting method 2. Technical specifications 2.1. Module architecture © 2006 Leadtek Research Inc. All rights reserved. Preliminary Confidential - Information is subject to change without prior notice. Page 2/21

2.2. Hardware Features LR9101 Specifications Sheet Rev. 0.6 Based on the high performance features of the SiRF StarIII single chip Built-in high gain amplifier and band pass filter Compact module size for easy integration: 15x14x2.8 mm (590.6x551.2x110.2 mil) SMT pads allow for fully automatic assembly processes equipment and reflow soldering RoHS compliant (lead-free) 2.3. Software Features The firmware used on Leadtek 9101 module is GSW3, the software for SiRF StarIII receivers, and the default configuration is as following description: Item Core of firmware Baud rate Code type Datum Protocol message Output frequency Description SiRF GSW3 9600, 19200 bps (default 9600) NMEA-0183 ASCII WGS-84 GGA, GSA, GSV, RMC,VTG 1 Hz 2.4. Mechanical specification The Physical dimensions of the Leadtek 9101 GPS Module are as follow: Items Length Width Height Weight Description 15.0 ± 0.1 mm (590.6 ± 4 mil) 14.0 ± 0.1 mm (551.2 ± 4 mil) 2.80 ± 0.3 mm (110.2 ± 12 mil) 1g © 2006 Leadtek Research Inc. All rights reserved. Preliminary Confidential - Information is subject to change without prior notice. Page 3/21

LR9101 Specifications Sheet Rev. 0.6 2.5. Recommended GPS Antenna Specification This GPS 9101 receiver is designed for use with passive antenna. Parameter Antenna Type Frequency Range Specification Right-hand circular polarized passive antenna 1575.42 ± 1.023 MHz 2.6. Environmental Specification Item Operating temperature rang Storage temperature range Humidity Altitude Velocity Jerk Acceleration Description -40 deg. C to +85 deg. C -55 deg. C to +100 deg. C Up to 95% non-condensing or a wet bulb temperature of +35 deg. C 18,000 meters (60,000 feet) max. 515 meters/second (1000 knots) max. 20 meters/second3, max. 4g, max. © 2006 Leadtek Research Inc. All rights reserved. Preliminary Confidential - Information is subject to change without prior notice. Page 4/21

2.7. Product compliance LR9101 Specifications Sheet Rev. 0.6 RoHS: Restriction of Hazardous Substances (RoHS) directive will come into force on 1st July 2006; all electronic products sold in the EU must be free of hazardous materials, such as lead. Leadtek is fully committed to being one of the first to introduce lead-free GPS products while maintaining backwards compatibility and focusing on a continuously high level of product and manufacturing quality. © 2006 Leadtek Research Inc. All rights reserved. Preliminary Confidential - Information is subject to change without prior notice. Page 5/21

LR9101 Specifications Sheet Rev. 0.6 FCC/CE: The Federal Communications Commission (FCC) is an independent United States government agency, directly responsible to Congress. The FCC is charged with regulating interstate and international communications by radio, television, wire, satellite and cable. The FCC’s jurisdiction covers the 50 states, the District of Columbia, and U.S. possessions. Please note that the compliances of this device are for this SMD module itself only. The complete system compliance must be examined and certified whenever you put this SMD inside. © 2006 Leadtek Research Inc. All rights reserved. Preliminary Confidential - Information is subject to change without prior notice. Page 6/21

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