Ublox C93-M8E User Manual Download

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C93-M8E

Application Board

User Guide



Abstract

This document describes the structure and use of the C93-M8E application board and provides
information for evaluating and testing u-blox M8 Untethered Dead Reckoning (UDR) positioning
technology.

www.u-blox.com

UBX-15031067 - R03

Summary of Contents for C93-M8E

Page 1: ...Abstract This document describes the structure and use of the C93 M8E application board and provides information for evaluating and testing u blox M8 Untethered Dead Reckoning UDR positioning technol...

Page 2: ...lectual property rights in the products names logos and designs included in this document Copying reproduction modification or disclosure to third parties of this document or any part thereof is only...

Page 3: ...3 3 Evaluation unit 6 3 3 1 USB 6 3 3 2 Pin header 7 3 3 3 LED 7 3 3 4 Backup Battery 7 3 3 5 GNSS Configuration 7 4 Setting up 8 4 1 C93 M8E installation 8 4 1 1 Mounting the C93 M8E 8 4 1 2 Connect...

Page 4: ...youts are available allowing the C93 M8E to be used as a basis for customer designs 1 2 C93 M8E package includes C93 M8E Application board in clear plastic housing USB cable 1 3 Evaluation software Th...

Page 5: ...Specification USB 1 micro USB V2 0 Extra connectors connection pins for UART communication 3 3 V Dimensions 49 x 49 x 20 mm Power Supply 5V via USB or external powered via extra power supply pin 1 VC...

Page 6: ...B cable or 6 pin connector USB provides both power and a communication channel Figure 1 Connecting the unit for power supply and communication 3 2 Integrated GNSS antenna The C93 M8E includes an 18 mm...

Page 7: ...t a separate inverting level shifter buffer must be used e g MAX3232 3 3 3 LED On the front panel of the unit a single blue LED may be configured to follow the receiver time pulse signal using message...

Page 8: ...me Figure 3 Example installation of the C93 M8E on car dashboard For best performance the integrated antenna needs to have the best sky view possible in the car or outside of the car 4 1 2 Connecting...

Page 9: ...environment excluding any outliers or unusually high values The configured value can have a large impact on the receiver performance so should be chosen carefully For more information refer to the u...

Page 10: ...navigation mode and starts to compute combined GNSS Dead reckoning fixes and to calibrate the sensor required for computing the fused navigation solution The sensor calibration status outputs CALIBRAT...

Page 11: ...an open and flat area such as an empty open sky parking area The initialization and calibration drive should contain phases where the car is stopped during a few minutes with engine turned on phases w...

Page 12: ...mend recording and archiving the data of your test drives You can enable additional debug messages by clicking the Debug button and then clicking the Record button see Figure 7 When prompted to poll f...

Page 13: ...y Production Information Block diagram Page 13 of 21 6 Block diagram EVA M8E FLASH RTC BACKUP LNA SAW PATCH ANTENNA 50 50 SENSORS Power regulator USB 5V Pin header 1 65 V 3 6 V 3 3 V Interfaces USB UA...

Page 14: ...BX 15031067 R03 Early Production Information Board layout Page 14 of 21 7 Board layout Figure 10 shows the C93 M8E board layout See Table 4 for the application board component list Figure 10 C93 M8E l...

Page 15: ...FB1 FERRITE BEAD MURATA BLM15HD 0402 1000R 100MHZ FL1 SAW FILTER FOR GPS GLONASS BEIDOU TST TA1343A 40 85C J1 6PIN 90 xB0 2 54MM PITCH DISCONNECTABLE CRIMP CONNECTOR 40 85C J2 CON USB RECEPTACLE MICRO...

Page 16: ...C93 M8E User Guide UBX 15031067 R03 Early Production Information Schematic Page 16 of 21 8 Schematic Figure 11 Schematic C93 M8E...

Page 17: ...ay another application running on this computer is using it The position is off by a few dozen meters u blox M8 GNSS technology starts up with the WGS84 standard GNSS datum If your application expects...

Page 18: ...hould easily be achieved Low C No values lead to a prolonged startup time C93 M8E does not preserve the configuration in case of removed power u blox M8 GNSS technology uses a slightly different conce...

Page 19: ...tic system The satellite constellation changes constantly Atmospheric effects i e dawn and dusk have an impact on signal travel time The position of the GNSS receiver is typically not the same between...

Page 20: ...al Docu No UBX 15016700 5 u blox 8 u blox M8 Receiver Description including Protocol Specification Public version Docu No UBX 13003221 6 u center User Guide Docu No UBX 13005250 For regular updates to...

Page 21: ...Support support_ap u blox com Regional Office China Beijing Phone 86 10 68 133 545 E mail info_cn u blox com Support support_cn u blox com Regional Office China Chongqing Phone 86 23 6815 1588 E mail...

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