Maestro A2100-A/B, Руководство пользователя

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V2.0 – Jan-13 User’s Manual Page 4 of 41
Table of Contents
1 Introduction ........................................................................................................ 6
1.1 Feature Overview .............................................................................................. 6
1.2 Characteristics Overview .................................................................................. 7
1.3 RoHS and Lead-Free Information ..................................................................... 7
1.4 Label ................................................................................................................. 8
1.5 Characteristics .................................................................................................. 9
1.5.1 GPS Characteristics ................................................................................................... 9
1.5.2 Mechanical Characteristics ......................................................................................... 9
1.6 Handling Precautions ........................................................................................ 9
2 Ordering Information ....................................................................................... 10
2.1 GPS Receivers A2100-A/B ............................................................................. 10
2.2 Packing of the A2100-A/B ............................................................................... 10
2.3 Additional Equipment ...................................................................................... 13
3 Quick Start ........................................................................................................ 14
3.1 Minimum Configuration ................................................................................... 14
3.2 Antennas ......................................................................................................... 15
3.2.1 Passive Antennas ..................................................................................................... 15
3.2.2 Active Antennas ........................................................................................................ 15
3.3 Serial Port Settings ......................................................................................... 16
3.4 Improved TTFF ............................................................................................... 16
3.5 Firmware Updates (Flash-based module only)................................................ 16
4 Mechanical Outline .......................................................................................... 17
4.1 Details Component Side A2100-A / B ............................................................. 17
4.2 Details Solder Side A2100-A/B ....................................................................... 18
5 Pin-out Information .......................................................................................... 19
5.1 Layout A2100-A .............................................................................................. 19
5.2 Description A2100-A Signals .......................................................................... 20
5.3 Layout A2100-B .............................................................................................. 21
5.4 Description A2100-B Signals .......................................................................... 22
6 Electrical Characteristics ................................................................................ 24
6.1 Operating Conditions ...................................................................................... 24
6.2 Absolute Maximum Ratings ............................................................................ 25
6.3 DC Electrical Characteristics ........................................................................... 26
7 Mounting ........................................................................................................... 27
7.1 Proposed Footprint for Soldering .................................................................... 27
7.2 Recommended Profile for Reflow Soldering ................................................... 28
8 Use of GPS Antennas ...................................................................................... 29
8.1 Connecting a GPS antenna to the GPS receiver ............................................ 29
8.2 Antenna Connections ...................................................................................... 31
8.2.1 Passive Antennas ..................................................................................................... 31