Table Of Contents - Fibocom GTS-4E-00 Hardware Integration Manual

Preface ....................................................................................................................................................... 4
Manual Scope ..................................................................................................................................... 4
Target Audience .................................................................................................................................. 4
How to use this Manual ....................................................................................................................... 4
1 Hardware Description .......................................................................................................................... 5
1.1 Functional Overview ............................................................................................................. 5
1.2 Naming rule of Part Number ................................................................................................. 5
1.3 Block Diagram ...................................................................................................................... 6
2 Design-In ............................................................................................................................................. 6
2.1 Power Management ............................................................................................................. 6
2.1.1 Connecting Power ......................................................................................................... 6
2.1.2 Power Modes ................................................................................................................ 7
2.2 Interfaces .............................................................................................................................. 8
2.2.1 Host Port UART ............................................................................................................. 8
2.2.2 Host Port SPI ................................................................................................................. 8
2.2.3 Dead Reckoning I2C bus .............................................................................................. 9
2.2.4 ON_OFF control input ................................................................................................. 10
2.2.5 Antenna input ...............................................................................................................11
2.2.6 Active GPS antenna .....................................................................................................11
2.2.7 Time Mark TM ............................................................................................................. 12
2.2.8 ECLK ........................................................................................................................... 12
2.2.9 TSYNC ........................................................................................................................ 12
2.3 HW Information ................................................................................................................... 12
2.3.1 Pin Assignment ........................................................................................................... 12
3 Electrical Specifications .................................................................................................................... 13
3.1 Absolute Maximum Ratings ................................................................................................ 13
3.2 Operating Condition ............................................................................................................ 13
4 Mechanical Specifications ................................................................................................................. 14
5 Layout ................................................................................................................................................ 15
5.1 Paste Mask ......................................................................................................................... 15
5.2 Placement ........................................................................................................................... 16
5.3 Antenna Connection and Grounding Plane Design ........................................................... 17
5.4 Antenna and Antenna Supervisor ...................................................................................... 19
5.4.1 Passive Antenna ......................................................................................................... 19
5.4.2 Active Antenna ............................................................................................................ 20
6 ESD Protection Measures ................................................................................................................. 21
6.1 ESD Precautions for Antennas ........................................................................................... 21
Contact ................................................................................................................. 错误！未定义书签。
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