Manual

ZED-F9T-Integration manual
Contents
1 Integration manual structure............................................................................................ 6
2 System description...............................................................................................................7
2.1 Overview.................................................................................................................................................... 7
2.1.1 Differential timing.......................................................................................................................... 7
2.2 Architecture..............................................................................................................................................8
2.2.1 Block diagram..................................................................................................................................8
3 Receiver functionality.......................................................................................................... 9
3.1 Receiver configuration........................................................................................................................... 9
3.1.1 Changing the receiver configuration..........................................................................................9
3.1.2 Default GNSS configuration.........................................................................................................9
3.1.3 Default interface settings..........................................................................................................10
3.1.4 Basic receiver configuration...................................................................................................... 10
3.1.5 Differential timing mode configuration...................................................................................12
3.1.6 Legacy configuration interface compatibility........................................................................ 16
3.1.7 Navigation configuration............................................................................................................16
3.2 Geofencing..............................................................................................................................................20
3.2.1 Introduction................................................................................................................................... 20
3.2.2 Interface......................................................................................................................................... 21
3.2.3 Geofence state evaluation......................................................................................................... 21
3.2.4 Using a PIO for geofence state output................................................................................... 21
3.3 Logging....................................................................................................................................................21
3.3.1 Introduction................................................................................................................................... 21
3.3.2 Setting the logging system up................................................................................................. 22
3.3.3 Information about the log.......................................................................................................... 22
3.3.4 Recording....................................................................................................................................... 23
3.3.5 Retrieval......................................................................................................................................... 24
3.3.6 Command message acknowledgment....................................................................................25
3.4 Communication interfaces................................................................................................................. 25
3.4.1 UART............................................................................................................................................... 26
3.4.2 I2C interface..................................................................................................................................27
3.4.3 SPI interface..................................................................................................................................30
3.4.4 USB interface................................................................................................................................31
3.5 Predefined PIOs.....................................................................................................................................32
3.5.1 D_SEL..............................................................................................................................................32
3.5.2 RESET_N........................................................................................................................................ 32
3.5.3 SAFEBOOT_N................................................................................................................................32
3.5.4 TIMEPULSE................................................................................................................................... 33
3.5.5 EXTINT............................................................................................................................................33
3.6 Antenna supervisor.............................................................................................................................. 33
3.6.1 Antenna voltage control - ANT_OFF........................................................................................34
3.6.2 Antenna short detection - ANT_SHORT_N............................................................................ 35
3.6.3 Antenna short detection auto recovery.................................................................................. 35
3.6.4 Antenna open circuit detection - ANT_DETECT................................................................... 36
3.7 Multiple GNSS assistance (MGA)..................................................................................................... 36
UBX-19005590 - R05
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Contents Page 3 of 87
C1-Public Early production information