Datasheet

Table Of Contents
NEO-M8U - Data Sheet
UBX-15015679 - R06 Contents Page 3 of 27
Product Information
Contents
Document Information ................................................................................................................................ 2
Contents .......................................................................................................................................................... 3
1 Functional description ......................................................................................................................... 5
1.1 Overview ........................................................................................................................................................ 5
1.2 Product features ......................................................................................................................................... 5
1.3 Performance ................................................................................................................................................. 6
1.4 Block diagram .............................................................................................................................................. 7
1.5 Supported GNSS Constellations ............................................................................................................. 7
1.5.1 GPS ........................................................................................................................................................ 8
1.5.2 GLONASS ............................................................................................................................................. 8
1.5.3 BeiDou ................................................................................................................................................... 8
1.5.4 Galileo .................................................................................................................................................... 8
1.6 Assisted GNSS (A-GNSS) .......................................................................................................................... 8
1.6.1 AssistNow
TM
Online ............................................................................................................................ 8
1.6.2 AssistNow
TM
Offline ........................................................................................................................... 8
1.6.3 AssistNow
TM
Autonomous ............................................................................................................... 9
1.7 Augmentation Systems ............................................................................................................................ 9
1.7.1 Satellite-Based Augmentation System (SBAS) ........................................................................... 9
1.7.2 QZSS ..................................................................................................................................................... 9
1.7.3 QZSS L1S SLAS .................................................................................................................................. 9
1.7.4 IMES ...................................................................................................................................................... 9
1.7.5 Differential GPS (D-GPS) ................................................................................................................. 10
1.8 Broadcast Navigation Data ..................................................................................................................... 10
1.9 Untethered Dead Reckoning (UDR) ....................................................................................................... 10
1.10 Odometer .................................................................................................................................................... 11
1.11 Data logging ............................................................................................................................................... 11
1.12 Geofencing .................................................................................................................................................. 11
1.13 Message Integrity Protection ................................................................................................................. 11
1.14 Spoofing Detection ................................................................................................................................... 11
1.15 TIMEPULSE ................................................................................................................................................ 11
1.16 Protocols and interfaces ......................................................................................................................... 12
1.17 Interfaces .................................................................................................................................................... 12
1.17.1 UART ................................................................................................................................................... 12
1.17.2 USB ...................................................................................................................................................... 12
1.17.3 SPI ........................................................................................................................................................ 12
1.17.4 Display Data Channel (DDC) ........................................................................................................... 12
1.18 Clock generation ........................................................................................................................................ 12
1.18.1 Oscillators .......................................................................................................................................... 12
1.18.2 Real-Time Clock (RTC) and Hardware Backup mode ................................................................ 13
1.19 Power management ................................................................................................................................. 13