LEA-6 / NEO-6 / MAX-6 - Hardware Integration Manual
UBX-14054794 Production Information Contents
Page 4 of 85
Contents
Preface ................................................................................................................................ 3
Contents .............................................................................................................................. 4
1 Hardware description .................................................................................................. 7
1.1 Overview .............................................................................................................................................. 7
1.2 Architecture .......................................................................................................................................... 7
1.3 Power management ............................................................................................................................. 8
1.3.1 Connecting power ........................................................................................................................ 8
1.3.2 Operating modes .......................................................................................................................... 9
1.4 Antenna supply - V_ANT (LEA-6) .......................................................................................................... 9
1.5 System functions ................................................................................................................................ 10
1.5.1 System monitoring ...................................................................................................................... 10
1.6 Interfaces ............................................................................................................................................ 10
1.6.1 UART ........................................................................................................................................... 10
1.6.2 USB (LEA-6/NEO-6) ...................................................................................................................... 10
1.6.3 Display Data Channel (DDC) ........................................................................................................ 11
1.6.4 SPI (NEO-6, LEA-6R) ..................................................................................................................... 13
1.7 I/O pins ............................................................................................................................................... 16
1.7.1 RESET_N ...................................................................................................................................... 16
1.7.2 EXTINT - External interrupt pin ..................................................................................................... 16
1.7.3 AADET_N (LEA-6) ........................................................................................................................ 16
1.7.4 Configuration pins (LEA-6S/6A, NEO-6) ....................................................................................... 16
1.7.5 Second time pulse for LEA-6T-0 and LEA-6T-1 ............................................................................. 16
1.7.6 TX ready signal (FW 7.0x) ............................................................................................................ 17
1.7.7 ANTOFF (NEO-6) .......................................................................................................................... 17
1.7.8 Antenna supervision signals for LEA-6T-0 .................................................................................... 17
1.7.9 LEA-6R considerations ................................................................................................................. 18
2 Design-in ..................................................................................................................... 19
2.1 Checklist ............................................................................................................................................. 19
2.1.1 Design-in checklist ....................................................................................................................... 19
2.1.2 Design considerations .................................................................................................................. 21
2.1.3 Automotive Dead Reckoning (ADR) solutions .............................................................................. 22
2.2 LEA-6 design ...................................................................................................................................... 23
2.2.1 LEA-6 passive antenna design ...................................................................................................... 23
2.2.2 GLONASS HW design recommendations (LEA-6N, LEA-6H-0-002) ............................................... 25
2.2.3 LEA-6R design ............................................................................................................................. 28
2.2.1 Pin description for LEA-6 designs ................................................................................................. 32
2.3 NEO-6 design ..................................................................................................................................... 33
2.3.1 Passive antenna design (NEO-6) ................................................................................................... 33
2.3.2 Pin description for NEO-6 designs ................................................................................................ 35
2.4 MAX-6 design .................................................................................................................................... 36
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