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SAM-M10Q-Integration manual

Contents

1 System description...............................................................................................................5

1.1 Overview.................................................................................................................................................... 5

1.2 Architecture..............................................................................................................................................6

1.2.1 Block diagram..................................................................................................................................6

1.3 Pin assignment........................................................................................................................................6

2 Receiver functionality.......................................................................................................... 9

2.1 Receiver conﬁguration.................................................................................................9

2.1.1 Basic receiver conﬁguration.........................................................................................................9

2.1.2 Navigation conﬁguration............................................................................................................11

2.2 Augmentation systems.............................................................................................15

2.2.1 SBAS............................................................................................................................................... 16

2.2.2 QZSS SLAS....................................................................................................................................17

2.3 Communication interfaces and PIOs.................................................................... 18

2.3.1 UART...............................................................................................................................................18

2.3.2 I2C....................................................................................................................................................19

2.3.3 PIOs................................................................................................................................................. 22

2.4 Forcing receiver reset................................................................................................23

2.5 Security.......................................................................................................................... 24

2.5.1 Conﬁguration locking.................................................................................................................. 25

2.6 Power management................................................................................................... 25

2.6.1 Continuous mode.........................................................................................................................25

2.6.2 Power save mode......................................................................................................................... 25

2.6.3 Backup modes.............................................................................................................................. 31

2.7 Time.................................................................................................................................32

2.7.1 Receiver local time.......................................................................................................................32

2.7.2 GNSS time bases.........................................................................................................................32

2.7.3 Navigation epochs....................................................................................................................... 33

2.7.4 iTow timestamps..........................................................................................................................34

2.7.5 Time validity.................................................................................................................................. 34

2.7.6 UTC representation..................................................................................................................... 35

2.7.7 Leap seconds................................................................................................................................ 35

2.7.8 Date ambiguity............................................................................................................................. 36

2.8 Time mark..................................................................................................................... 37

2.9 Time pulse..................................................................................................................... 38

2.9.1 Recommendations.......................................................................................................................39

2.9.2 Time pulse conﬁguration............................................................................................................40

2.10 Time maintenance....................................................................................................41

2.10.1 Real-time clock...........................................................................................................................41

2.10.2 Time assistance.........................................................................................................................41

2.10.3 Frequency assistance............................................................................................................... 42

2.10.4 Clock drift assistance...............................................................................................................42

2.11 Protection level......................................................................................................... 42

2.11.1 Introduction.................................................................................................................................42

UBX-22020019 - R01

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Contents Page 3 of 72

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