CAM-M8 - Data Sheet

UBX-15031574 - R04

Contents

Page 3 of 31

Production Information

Contents

Document Information................................................................................................................................2

Contents ..........................................................................................................................................................3

1 Functional description .........................................................................................................................5

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

1.2 Product features ......................................................................................................................................... 6

1.3 GNSS performance..................................................................................................................................... 6

1.4 Block diagram .............................................................................................................................................. 7

1.5 Supported GNSS constellations .............................................................................................................. 8

1.5.1 GPS ........................................................................................................................................................ 8

1.5.2 GLONASS ............................................................................................................................................. 8

1.5.3 BeiDou ................................................................................................................................................... 8

1.5.4 Galileo .................................................................................................................................................... 9

1.6 Assisted GNSS (A-GNSS).......................................................................................................................... 9

1.6.1 AssistNow™ Online............................................................................................................................. 9

1.6.2 AssistNow™ Offline............................................................................................................................ 9

1.6.3 AssistNow™ Autonomous ................................................................................................................ 9

1.7 Augmentation systems ...........................................................................................................................10

1.7.1 Satellite-Based Augmentation System (SBAS) .........................................................................10

1.7.2 QZSS ...................................................................................................................................................10

1.7.3 IMES ....................................................................................................................................................10

1.7.4 Differential GPS (D-GPS).................................................................................................................11

1.8 Broadcast navigation data and satellite signal measurements .....................................................11

1.9 Odometer....................................................................................................................................................11

1.10 Geofencing..................................................................................................................................................11

1.11 Message Integrity Protection.................................................................................................................11

1.12 Spoofing detection ...................................................................................................................................12

1.13 EXTINT: External interrupt......................................................................................................................12

1.13.1 Pin control ..........................................................................................................................................12

1.13.2 Aiding ..................................................................................................................................................12

1.14 TIMEPULSE................................................................................................................................................12

1.15 Protocols and interfaces .........................................................................................................................13

1.16 Interfaces....................................................................................................................................................13

1.16.1 UART ...................................................................................................................................................13

1.16.2 SPI ........................................................................................................................................................13

1.16.3 Display Data Channel (DDC) ...........................................................................................................13

1.17 Clock generation........................................................................................................................................14

1.17.1 Oscillators ..........................................................................................................................................14

1.17.2 Real-Time Clock (RTC).....................................................................................................................14

1.18 Power management .................................................................................................................................14

1.18.1 DC-DC converter ...............................................................................................................................14