W2SG0008i-B-T

Wi2Wi, Inc. Doc No. ALT-PDT-DOC Rev.1.50 Data sheet, GPS Module W2SG0008i January 22nd, 2014 Product Datasheet ALT-PDT-DOC Revision 1.50 January 22, 2014 Copyright 2014 Wi2Wi, Inc. 1 Wi2Wi, Inc. Doc No. ALT-PDT-DOC Rev.1.50 Data sheet, GPS Module W2SG0008i January 22nd, 2014 Table of Contents 1 General Description ..................................................................................................................4 1.1 Pin Definition ................................................................................................................................. 5 1.2 Pin Configuration ........................................................................................................................... 6 1.3 System Block Diagram .................................................................................................................. 7 1.4 Power Supply Considerations ....................................................................................................... 7 2 Specifications............................................................................................................................7 2.1 Clock Frequency ........................................................................................................................... 7 2.2 Interfaces ....................................................................................................................................... 8 2.2.1 Host UART Interface ............................................................................................................. 8 2 2.2.2 Host I C Interface .................................................................................................................. 8 2.2.3 Host Slave SPI ...................................................................................................................... 9 2 2 2.3 Master Mode I C Interface Dead Reckoning (DR) I C Interface ........................................... 9 3 Specific Pin Functions ..............................................................................................................9 3.1 Baud Rate Selection ..................................................................................................................... 9 3.2 On / Off ........................................................................................................................................ 10 3.3 Wake Up ...................................................................................................................................... 11 3.4 External Interrupts (EIT1 & EIT2) ................................................................................................ 11 3.5 Time Mark (TM) ........................................................................................................................... 11 3.6 Auto Start Feature ....................................................................................................................... 11 4 WAAS with SBAS or Wide Area Differential GPS...............................................................12 4.1 Differential GPS........................................................................................................................... 12 4.2 Wide Area DGPS or WAAS ........................................................................................................ 12 4.3 How do we enable WAAS-SBAS on the W2SG0008 ............................................................... 13 5 Electrical/RF Characteristics: Operating ................................................................................14 6 Performance ............................................................................................................................15 6.1 Acquisition Time .......................................................................................................................... 15 6.2 Position Accuracy (3-D NAV) ...................................................................................................... 15 6.3 Environmental Characteristics .................................................................................................... 16 6.4 Current and Power Consumption ................................................................................................ 16 6.4.1 Internal LNA Gain ................................................................................................................ 16 6.4.2 Maximum RF Gain .............................................................................................................. 17 7 Antenna ...................................................................................................................................17 8 Normal Mode of Operation ....................................................................................................18 9 Development Support .............................................................................................................18 10 Mechanical Information .........................................................................................................19 10.1 Mechanical Specification ............................................................................................................. 19 10.2 Storage and Baking Instructions ................................................................................................. 19 10.3 Recommended Reflow Profile ..................................................................................................... 20 11 Ordering Information ..............................................................................................................21 11.1 Evaluation Kits............................................................................................................................. 21 12 Disclaimers .............................................................................................................................21 12.1 Datasheet Status ......................................................................................................................... 22 13 Certifications ..........................................................................................................................22 14 References ..............................................................................................................................22 14.1 Specifications .............................................................................................................................. 22 14.2 Trademarks, Patents and Licenses ............................................................................................ 22 Copyright 2014 Wi2Wi, Inc. 2