confidential information preliminary specification
© GNS-GmbH 2013,2014
V 0.26, Sep 10th 2014
2 INDEX
1 INTRODUCTION ----------------------------------------------------------------------------------------- 1
2 INDEX --------------------------------------------------------------------------------------------------- 2
3 DETAILED FEATURES ----------------------------------------------------------------------------------- 3
3.1 Block diagram -------------------------------------------------------------------------------------------------------------- 3
3.2 GPS Features --------------------------------------------------------------------------------------------------------------- 3
4 TYPICAL APPLICATION BLOCK DIAGRAM -------------------------------------------------------------- 4
5 SYSTEM REQUIREMENTS ------------------------------------------------------------------------------- 4
5.1 Real time clock (RTC) ------------------------------------------------------------------------------------------------------ 4
5.2 I/O levels ------------------------------------------------------------------------------------------------------------------- 4
6 GPS CORE ----------------------------------------------------------------------------------------------- 5
6.1 GPS core description ------------------------------------------------------------------------------------------------------- 5
6.2 GPS characteristics --------------------------------------------------------------------------------------------------------- 5
6.3 GPS Power Management Features ---------------------------------------------------------------------------------------- 7
6.4 GPS almanac and ephemeris data----------------------------------------------------------------------------------------- 7
6.5 Push to Fix ------------------------------------------------------------------------------------------------------------------ 7
6.6 Pulse Per Second (PPS) ---------------------------------------------------------------------------------------------------- 8
6.7 Fix Available ---------------------------------------------------------------------------------------------------------------- 8
6.8 GPS Antenna ---------------------------------------------------------------------------------------------------------------- 9
7 ELECTRICAL SPECIFICATION ------------------------------------------------------------------------- 10
7.1 Absolute Maximum Ratings ---------------------------------------------------------------------------------------------- 10
7.2 Recommended Operating Conditions ----------------------------------------------------------------------------------- 10
7.3 GPS input characteristics ------------------------------------------------------------------------------------------------ 10
8 DEVICE PINOUT DIAGRAM --------------------------------------------------------------------------- 11
9 POWER MANAGEMENT -------------------------------------------------------------------------------- 14
10 RTC CONNECTION ----------------------------------------------------------------------------------- 14
11 HARDWARE HOST INTERFACE ---------------------------------------------------------------------- 15
11.1 GPS UART Interface details ---------------------------------------------------------------------------------------------- 15
12 NMEA DATA ------------------------------------------------------------------------------------------ 15
13 PHYSICAL DIMENSIONS ----------------------------------------------------------------------------- 16
14 RECOMMENDED PAD LAYOUT ----------------------------------------------------------------------- 17
15 MATERIAL INFORMATION --------------------------------------------------------------------------- 17
15.1 Shield Material Information ---------------------------------------------------------------------------------------------- 17
16 RECOMMENDED SOLDERING REFLOW PROFILE --------------------------------------------------- 18
17 TAPE INFORMATION --------------------------------------------------------------------------------- 19
18 REEL INFORMATION --------------------------------------------------------------------------------- 20
19 ORDERING INFORMATION -------------------------------------------------------------------------- 21
20 CUSTOMER SPECIFIC FACTORY OPTIONS & part# assignment ----------------------------------- 21
21 ENVIRONMENTAL INFORMATION ------------------------------------------------------------------- 22
22 MOISTURE SENSITIVITY ---------------------------------------------------------------------------- 23
23 DOCUMENT REVISION HISTORY -------------------------------------------------------------------- 23
24 PACKAGING ------------------------------------------------------------------------------------------ 24
25 RELATED DOCUMENTS ------------------------------------------------------------------------------ 25