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LEA-5, NEO-5, TIM-5H - Hardware Integration Manual

GPS.G5-MS5-09027-A2 Released Contents

Page 5 of 68

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 Connecting power ........................................................................................................................ 9

1.3.2 Operating modes ........................................................................................................................ 10

1.3.3 V_ANT (LEA-5H/5S/5A, TIM-5H) .................................................................................................. 11

1.4 System functions ................................................................................................................................ 11

1.4.1 EXTINT - –xternal interrupt pin ..................................................................................................... 11

1.4.2 System monitoring ...................................................................................................................... 11

1.5 Interfaces ............................................................................................................................................ 11

1.5.1 UART ........................................................................................................................................... 11

1.5.2 USB (LEA-5, NEO-5) ..................................................................................................................... 12

1.5.3 DDC (LEA-5, NEO-5) .................................................................................................................... 13

1.5.4 SPI (planned with LEA-5Q and NEO-5Q/5G) ................................................................................. 17

1.6 I/O pins ............................................................................................................................................... 22

1.6.1 RESET_N (LEA-5, TIM-5H) ............................................................................................................ 22

1.6.2 EXTINT0 ...................................................................................................................................... 22

1.6.3 AADET_N (LEA-5, TIM-5H) ........................................................................................................... 22

1.6.4 Configuration pins (LEA-5S/5A/5Q/5M, NEO-5) ........................................................................... 22

2 Design-in ..................................................................................................................... 23

2.1 Design-in checklist .............................................................................................................................. 23

2.1.1 Layout design-in checklist ............................................................................................................ 23

2.1.2 Design considerations .................................................................................................................. 25

2.2 LEA-5 design ...................................................................................................................................... 26

2.2.1 LEA-5 passive antenna design ...................................................................................................... 26

2.2.2 Pin description for antenna designs (LEA-5H/5S/5A/5T) ............................................................... 27

2.2.3 Pin description for antenna designs (LEA-5Q/5M) ........................................................................ 28

2.3 NEO-5 design ..................................................................................................................................... 30

2.3.1 Passive antenna design (NEO-5) ................................................................................................... 30

Brand	u-blox
Model	LEA-6 Series
Category	GPS
Language	English

u-blox LEA-6 Series User Manual

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