Table Of Contents; Contents - u-blox LEA-6 Series Hardware Integration Manual

Contents

Preface ................................................................................................................................ 3
Contents .............................................................................................................................. 5
1 Hardware description .................................................................................................. 8
1.1 Overview .............................................................................................................................................. 8
1.2 Architecture .......................................................................................................................................... 8
1.3 Power management ............................................................................................................................. 9
1.3.1
1.3.2
1.4 Antenna supply - V_ANT (LEA-6) ....................................................................................................... 11
1.5 System functions ................................................................................................................................ 11
1.5.1
1.5.2
1.6 Interfaces ............................................................................................................................................ 11
1.6.1
1.6.2
1.6.3
1.6.4
1.7 I/O pins ............................................................................................................................................... 17
1.7.1
1.7.2
1.7.3
1.7.4
2 Design-in ..................................................................................................................... 18
2.1 Design-in checklist .............................................................................................................................. 18
2.1.1
2.1.2
2.2 LEA-6 design ...................................................................................................................................... 21
2.2.1
2.2.2
2.3 NEO-6 design ..................................................................................................................................... 24
2.3.1
2.4 Layout ................................................................................................................................................ 25
2.4.1
2.4.2
2.4.3
2.4.4
2.5 Antenna and antenna supervisor ........................................................................................................ 30
2.5.1
GPS.G6-HW-09007-A
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Connecting power ........................................................................................................................ 9
Operating modes ........................................................................................................................ 10
EXTINT - External interrupt pin ..................................................................................................... 11
System monitoring ...................................................................................................................... 11
UART ........................................................................................................................................... 11
USB ............................................................................................................................................. 11
Display Data Channel (DDC) ........................................................................................................ 12
SPI (NEO-6) .................................................................................................................................. 14
RESET_N ...................................................................................................................................... 17
EXTINT0 ...................................................................................................................................... 17
AADET_N (LEA-6) ........................................................................................................................ 17
Configuration pins (LEA-6S/6A, NEO-6) ....................................................................................... 17
Layout design-in checklist ............................................................................................................ 18
Design considerations .................................................................................................................. 20
LEA-6 passive antenna design ...................................................................................................... 21
Pin description for antenna designs (LEA-6) ................................................................................. 22
Passive antenna design (NEO-6) ................................................................................................... 24
Footprint and paste mask ............................................................................................................ 25
Placement ................................................................................................................................... 26
Antenna connection and grounding plane design ....................................................................... 28
Antenna micro strip ..................................................................................................................... 29
Passive antenna ........................................................................................................................... 31
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LEA-6 / NEO-6 - Hardware Integration Manual
Preliminary Contents
Page 5 of 62