Lr9805-st gps module lr9805st gps module.
Copyright ©2006 leadtek research inc. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written consent of leadtek research inc....
I contents introduction ..........................................................................................................................1 features.....................................................................................................................................1 h ardware...
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 1/19 preliminary confidential - information is subject to change without prior notice. Introduction the leadtek lr9805st gps module is a high sensitivity, low power, surface mount device (smd). This 12-c...
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 2/19 preliminary confidential - information is subject to change without prior notice. Interface • ttl level serial port for gps communications interface • protocol: nmea-0183 / sirf binary (default nmea...
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 3/19 preliminary confidential - information is subject to change without prior notice. Reference design all ground pads attach directly to ground plane by way of via. All components are reference only..
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 4/19 preliminary confidential - information is subject to change without prior notice. Specifications technical specifications feature item description chipset gsc2x series sirfstarii single chip technol...
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 5/19 preliminary confidential - information is subject to change without prior notice. Environmental characteristics items description operating temperature range -40 deg. C to +85 deg. C storage tempera...
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 6/19 preliminary confidential - information is subject to change without prior notice. Software the leadtek lr9805st module includes sirfxtrac high sensitivity software solution. Features include: • high...
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 7/19 preliminary confidential - information is subject to change without prior notice. Electrical specifications block diagram interface specification photos and pin positions pin 15 pin 28 pin 1 pin 14 ...
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 8/19 preliminary confidential - information is subject to change without prior notice. Pin settings pin name type description 1 rev i reserved 2 gpio6 i/o reserved 3 gpio10 i/o reserved 4 rxdb i ttl uart...
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 9/19 preliminary confidential - information is subject to change without prior notice. Mechanical dimensions outline drawing tolerance: length 24.0 ± 0.4 mm width 20.0 ± 0.1 mm height 2.90 ± 0.1 mm.
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 10/19 preliminary confidential - information is subject to change without prior notice. Bottom view ( unit : mm ).
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 11/19 preliminary confidential - information is subject to change without prior notice. Recommended footprint ( unit : mm ) automated manufacturing components.
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 12/19 preliminary confidential - information is subject to change without prior notice. Reel taping specification • material: black conductive high impact polystyrene alloy (up-6100) • surface resistivit...
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 13/19 preliminary confidential - information is subject to change without prior notice. Polystyrene alloy taping specifications 10 sprocket hole pitch cumulative tolerance ±0.20mm carrier camber is withi...
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 14/19 preliminary confidential - information is subject to change without prior notice. Reflow profile high quality, low defect soldering requires identifying the optimum temperature profile for reflowin...
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 15/19 preliminary confidential - information is subject to change without prior notice. Ordering information for every order of 1000 pcs , leadtek will ship the modules with the reel package (shown on pa...
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 16/19 preliminary confidential - information is subject to change without prior notice. Glossary a-gps assisted gps or agps is a technology that uses an assistance server to cut down the time needed to f...
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 17/19 preliminary confidential - information is subject to change without prior notice. Dead reckoning the process of estimating your position by advancing a known position using course, speed, time and ...
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 18/19 preliminary confidential - information is subject to change without prior notice. Nmea (national marine electronics association) an u.S. Standards committee that defines data message structure, con...
Lr9805st gps module v1.51technical manual © 2006 leadtek research inc. All rights reserved. Page 19/19 preliminary confidential - information is subject to change without prior notice. Time to first fix (ttff) the time it takes a gps receiver to find satellites after you first turn it on, when the g...
Leadtek research inc. 18f, 166, chien-yi rd., chung ho, taipei hsien, taiwan (235) ©2006 leadtek research, inc. All rights reserved. Version 1.51 5/09/06.