Leadtek LR9101 Specification Sheet Download Page 3

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LR9101 Specifications Sheet Rev. 2.0

1.1.3 Interface

TTL level serial port for GPS communications interface

Protocol: NMEA-0183/SiRF Binary (default NMEA)

Baud Rate: 4800 bps

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

Summary of Contents for LR9101

Page 1: ...DTEK RESEARCH Revision History Revision Release Date Issuer Change Description 1 5 2008 04 24 M Huang Add ESD spec modify recommended footprint 1 6 2008 05 22 M Huang Wording correction modify operati...

Page 2: ...pplications 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 Position...

Page 3: ...evel serial port for GPS communications interface Protocol NMEA 0183 SiRF Binary default NMEA Baud Rate 4800 bps 1 2 Advantages Ideal for compact size devices Data Power RF through surface mount pads...

Page 4: ...All rights reserved Page 3 18 Leadtek Confidential Information is subject to change without prior notice LR9101 Specifications Sheet Rev 2 0 2 Technical specifications 2 1 Module architecture SiRF GS...

Page 5: ...assembly processes equipment and reflow soldering RoHS compliant lead free 2 3 Software Features The firmware used on Leadtek 9101 module is GSW3 5 the software for SiRF StarIII low power single chip...

Page 6: ...t hand circular polarized passive antenna Frequency Range 1575 42 1 023 MHz 2 6 Environmental Specification Item Description Operating temperature rang 30 deg C to 85 deg C Storage temperature range 5...

Page 7: ...ntial Information is subject to change without prior notice LR9101 Specifications Sheet Rev 2 0 2 8 Reference design All ground pads attach directly to ground plane by way of via All components are re...

Page 8: ...ers second Time 1 microsecond synchronized to GPS time 3 2 Dynamic constrains Dynamic Conditions Altitude 18 000 meters 60 000 feet max Velocity 515 meters second 1000 knots max Acceleration 4g max Je...

Page 9: ...k 9101 GPS module can accept slow VBATT supply rise time unlike many other SiRFstarII based receivers due to an on board voltage detector 3 7 Differential aiding 3 7 1 Differential GPS DGPS Optional D...

Page 10: ...ge without prior notice LR9101 Specifications Sheet Rev 2 0 4 Hardware Interface Power supply Parameter Leadtek 9101 GPS Module Input voltage 3 2 5 0 VDC Current typ at full power 3 3V 45mA Battery ba...

Page 11: ...9 Leadtek Research Inc All rights reserved Page 10 18 Leadtek Confidential Information is subject to change without prior notice LR9101 Specifications Sheet Rev 2 0 4 2 Specifications 4 2 1 Pin Positi...

Page 12: ...nded 5 VCC_IN PWR 3 2 5 0 VDC input 6 VSTBY PWR 1 65 5 0 VDC RTC backup battery supply 7 RXB I TTL level asynchronous input for UART B If not used keep floating 8 TXB O TTL level asynchronous output f...

Page 13: ...messages for the receiver are listed in Table 5 2 A complete description of each message is contained in the SiRF NMEA reference manual Option Description GGA Time position and fix related data for a...

Page 14: ...nfidential Information is subject to change without prior notice LR9101 Specifications Sheet Rev 2 0 6 Mechanical drawing and footprint Items Description Length 15 0 0 3 mm 590 6 12 mil Width 14 0 0 3...

Page 15: ...print Top view Note 1 Tolerance of recommended pad 1 87 0 92 0 1 mm 2 Recommended pad for pin 9 is 2 3 1 5 mm 0 1 mm 7 Application Notes LR9101 is a compact sized GPS module specific for patch antenna...

Page 16: ...nc All rights reserved Page 15 18 Leadtek Confidential Information is subject to change without prior notice LR9101 Specifications Sheet Rev 2 0 8 Automated manufacturing components 8 1 Reel and tapin...

Page 17: ...oy Taping Specifications 10 sprocket hole pitch cumulative tolerance 0 20mm Carrier camber is within 1mm in 100mm A0 and B0 measured on a plane 0 3mm above the bottom of the pocket K0 measured from a...

Page 18: ...r connection is achievable Profiles are essential for establishing and maintaining processes You must be able to repeat the profile to achieve process consistency The heating and cooling rise rates mu...

Page 19: ...ow soldering or other high temperature process must be a Mounted within 24 hours of factory conditions 30 60 RH or b Stored at 10 RH under the protection against humidity and static electricity 3 Devi...