NEO-M9N-Integration manual
Contents
1 Integration manual overview............................................................................................. 6
2 System description...............................................................................................................7
2.1 Overview.................................................................................................................................................... 7
2.2 Architecture..............................................................................................................................................7
2.2.1 Block diagram..................................................................................................................................7
3 Receiver functionality.......................................................................................................... 8
3.1 Receiver configuration........................................................................................................................... 8
3.1.1 Changing the receiver configuration..........................................................................................8
3.1.2 Default GNSS configuration.........................................................................................................8
3.1.3 Default interface settings............................................................................................................ 9
3.1.4 Basic receiver configuration.........................................................................................................9
3.1.5 RTCM corrections........................................................................................................................ 10
3.1.6 Legacy configuration interface compatibility........................................................................ 11
3.1.7 Navigation configuration............................................................................................................11
3.2 SBAS........................................................................................................................................................16
3.3 Geofencing..............................................................................................................................................17
3.3.1 Introduction................................................................................................................................... 17
3.3.2 Interface......................................................................................................................................... 17
3.3.3 Geofence state evaluation......................................................................................................... 18
3.3.4 Using a PIO for geofence state output................................................................................... 18
3.4 Logging....................................................................................................................................................18
3.4.1 Introduction................................................................................................................................... 18
3.4.2 Setting the logging system up................................................................................................. 19
3.4.3 Information about the log.......................................................................................................... 19
3.4.4 Recording....................................................................................................................................... 20
3.4.5 Retrieval......................................................................................................................................... 21
3.4.6 Command message acknowledgment....................................................................................22
3.5 Data batching........................................................................................................................................22
3.5.1 Introduction................................................................................................................................... 22
3.5.2 Setting up the data batching....................................................................................................22
3.5.3 Retrieval......................................................................................................................................... 23
3.6 Spectrum analyzer............................................................................................................................... 23
3.7 Communication interfaces................................................................................................................. 24
3.7.1 UART...............................................................................................................................................25
3.7.2 I2C interface..................................................................................................................................26
3.7.3 SPI interface..................................................................................................................................29
3.7.4 USB interface................................................................................................................................30
3.8 Predefined PIOs.....................................................................................................................................31
3.8.1 D_SEL..............................................................................................................................................31
3.8.2 RESET_N........................................................................................................................................ 31
3.8.3 SAFEBOOT_N................................................................................................................................31
3.8.4 TIMEPULSE................................................................................................................................... 32
3.8.5 TX_READY..................................................................................................................................... 32
3.8.6 EXTINT............................................................................................................................................32
UBX-19014286 - R07
Contents Page 3 of 95
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