Ublox MAX-M10 - Page 4

MAX-M10M-Integration manual
3.7.3 Navigation epochs....................................................................................................................... 44
3.7.4 iTow timestamps..........................................................................................................................45
3.7.5 Time validity.................................................................................................................................. 45
3.7.6 UTC representation..................................................................................................................... 46
3.7.7 Leap seconds................................................................................................................................ 46
3.7.8 Date ambiguity............................................................................................................................. 47
3.8 Time mark..................................................................................................................... 47
3.9 Time pulse..................................................................................................................... 48
3.9.1 Recommendations.......................................................................................................................49
3.9.2 Time pulse configuration............................................................................................................50
3.10 Time maintenance....................................................................................................51
3.10.1 Real-time clock...........................................................................................................................51
3.10.2 Time assistance.........................................................................................................................51
3.10.3 Frequency assistance...............................................................................................................52
3.10.4 Clock drift assistance...............................................................................................................52
3.11 Protection level......................................................................................................... 52
3.11.1 Introduction.................................................................................................................................52
3.11.2 Interface.......................................................................................................................................53
3.11.3 Expected behavior..................................................................................................................... 54
3.12 Multiple GNSS assistance (MGA)....................................................................... 54
3.12.1 Authorization.............................................................................................................................. 55
3.12.2 Preserving MGA and operational data during power-off...................................................55
3.12.3 AssistNow offline.......................................................................................................................55
3.12.4 AssistNow autonomous........................................................................................................... 58
3.13 Data batching............................................................................................................ 61
3.13.1 Introduction.................................................................................................................................61
3.13.2 Setting up the data batching................................................................................................. 61
3.13.3 Retrieval....................................................................................................................................... 62
3.14 CloudLocate................................................................................................................62
3.14.1 CloudLocate measurements................................................................................................... 63
4 Hardware integration......................................................................................................... 64
4.1 Power supply.......................................................................................................................................... 64
4.1.1 VCC..................................................................................................................................................64
4.1.2 V_IO..................................................................................................................................................64
4.1.3 V_BCKP........................................................................................................................................... 64
4.1.4 Supply design examples.............................................................................................................65
4.2 RF interference......................................................................................................................................66
4.2.1 In-band interference.................................................................................................................... 66
4.2.2 Out-of-band interference........................................................................................................... 66
4.2.3 Spectrum analyzer.......................................................................................................................67
4.3 RF front-end...........................................................................................................................................68
4.3.1 Internal LNA modes.....................................................................................................................68
4.3.2 Out-of-band blocking immunity................................................................................................69
4.3.3 Out-of-band rejection..................................................................................................................70
4.3.4 Antenna power supply................................................................................................................ 70
4.4 Layout......................................................................................................................................................71
4.4.1 Package footprint, copper and solder mask.......................................................................... 72
5 Product handling................................................................................................................. 75
UBX-22038241 - R02
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