U-blox 8 / U-blox M8
u-blox 8 / u-blox M8Receiver DescriptionIncluding Protocol SpecificationAbstractThe Receiver Description Including Protocol Specificationdescribes the firmware features, specifications and configurationfor u-blox 8 / u-blox M8 high performance positioning modules.The Receiver Description provides an overview and conceptualdetails of the supported features.The Protocol Specification describes the NMEA and RTCMprotocols as well as the UBX protocol (version 15.00 up to 19.10, version 20.00 to 20.30, version 22.00 and version 23.00 to23.01) and serves as a reference manual. It includes theStandard Precision GNSS, Time Sync, Time & Frequency Sync,High Precision GNSS, ADR and UDR products.www.u-blox.comUBX-13003221 - R12
u-blox 8 / u-blox M8 Receiver Description - ManualDocument InformationTitleu-blox 8 / u-blox M8 Receiver DescriptionSubtitleIncluding Protocol Specification v15-20.30,22-23.01Document typeManualDocument numberUBX-13003221Revision and dateR12 (c9f0122)Document statusEarly Production Information28 April 2017Document status explanationObjective SpecificationDocument contains target values. Revised and supplementary data will be published later.Advance InformationDocument contains data based on early testing. Revised and supplementary data will be published later.Early Production InformationDocument contains data from product verification. Revised and supplementary data may be published later.Production InformationDocument contains the final product specification.This document applies to the following products:Product nameType numberFirmware versionProduct categoryCAM-M8CCAM-M8C-0-10SPG 3.01Standard Precision GNSSCAM-M8QCAM-M8Q-0-10SPG 3.01Standard Precision GNSSEVA-M8MEVA-M8M-0-10SPG 3.01Standard Precision GNSSEVA-M8MEVA-M8M-1-10SPG 3.01Standard Precision GNSSEVA-M8QEVA-M8Q-0-10SPG 3.01Standard Precision GNSSMAX-M8CMAX-M8C-0-10SPG 3.01Standard Precision GNSSMAX-M8QMAX-M8Q-0-10SPG 3.01Standard Precision GNSSMAX-M8WMAX-M8W-0-10SPG 3.01Standard Precision GNSSNEO-M8MNEO-M8M-0-10SPG 3.01Standard Precision GNSSNEO-M8NNEO-M8N-0-10SPG 3.01Standard Precision GNSSNEO-M8QNEO-M8Q-0-10SPG 3.01Standard Precision GNSSNEO-M8QNEO-M8Q-01A-10SPG 3.01Standard Precision GNSSLEA-M8SLEA-M8S-0-10SPG 3.01Standard Precision GNSSSAM-M8QSAM-M8Q-0-10SPG 3.01Standard Precision GNSSZOE-M8GZOE-M8G-0-10SPG 3.01Standard Precision GNSSEVA-8MEVA-8M-0-10SPG 3.01Standard Precision GNSSMAX-8CMAX-8C-0-10SPG 3.01Standard Precision GNSSMAX-8QMAX-8Q-0-10SPG 3.01Standard Precision GNSSUBX-13003221 - R12Early Production InformationPage ii
u-blox 8 / u-blox M8 Receiver Description - ManualNEO-8QNEO-8Q-0-10SPG 3.01Standard Precision GNSSNEO-M8PNEO-M8P-0-10HPG 1.40High Precision GNSSNEO-M8PNEO-M8P-2-10HPG 1.40High Precision GNSSEVA-M8EEVA-M8E-0-11UDR 1.00Dead ReckoningNEO-M8UNEO-M8U-0-10UDR 1.00Dead ReckoningNEO-M8TNEO-M8T-0-10TIM 1.10TimingLEA-M8TLEA-M8T-0-10TIM 1.10TimingLEA-M8FLEA-M8F-0-00FTS 1.01Timingu-blox reserves all rights to this document and the information contained herein. Products, names, logos and designs described herein mayin whole or in part be subject to intellectual property rights. Reproduction, use, modification or disclosure to third parties of this documentor any part thereof without the express permission of u-blox is strictly prohibited.The information contained herein is provided “as is” and u-blox assumes no liability for the use of the information. No warranty, eitherexpress or implied, is given, including but not limited, with respect to the accuracy, correctness, reliability and fitness for a particularpurpose of the information. This document may be revised by u-blox at any time. For most recent documents, please visit www.u-blox.com.Copyright 2017, u-blox AG.u-blox is a registered trademark of u-blox Holding AG in the EU and other countries. ARM is the registered trademark of ARM Limitedin the EU and other countries.UBX-13003221 - R12Early Production InformationPage iii
u-blox 8 / u-blox M8 Receiver Description - ManualTable of ContentsPreface . 11 Document Overview . 12 Firmware and Protocol Versions . 12.1 How to determine the version and the location of the firmware . 12.1.1 Decoding the boot screen (for Protocol Version 17 and below). 12.1.2 Decoding the boot screen (for Protocol Version 18 and above). 32.1.3 Decoding the output of UBX-MON-VER (for Protocol Version 17 and below) . 42.1.4 Decoding the output of UBX-MON-VER (for Protocol Version 18 and above) . 62.2 How to determine the supported protocol version of the u-blox receiver . 72.3 u-blox 8 / u-blox M8 Firmware and Supported Protocol Versions . 7Receiver Description . 93 Receiver Configuration . 93.1 Configuration Concept . 93.2 Organization of the Configuration Sections . 103.3 Permanent Configuration Storage Media . 103.4 u-blox Receiver Default Configuration. 113.5 Save-on-Shutdown Feature . 114 Concurrent GNSS. 124.1 GNSS Types . 124.1.1 Major GNSS. 124.1.2 Augmentation Systems . 134.2 Configuration . 134.2.1 Switching between GNSS. 144.2.2 Configuring QZSS L1SAIF . 145 SBAS Configuration Settings Description . 145.1 SBAS (Satellite Based Augmentation Systems). 145.2 SBAS Features . 165.3 SBAS Configuration. 176 IMES Description . 186.1 IMES Features . 187 Navigation Configuration Settings Description. 187.1 Platform settings . 187.2 Navigation Input Filters . 197.3 Navigation Output Filters . 207.3.1 Speed (3-D) Low-pass Filter . 207.3.2 Course over Ground Low-pass Filter . 207.3.3 Low-speed Course Over Ground Filter. 217.4 Static Hold . 217.5 Freezing the Course Over Ground . 21UBX-13003221 - R12Early Production InformationPage iv
u-blox 8 / u-blox M8 Receiver Description - Manual7.6 Degraded Navigation. 217.6.1 2D Navigation. 217.7 Geodetic Coordinate Systems and Ellipsoids . 228 Clocks and Time. 228.1 Receiver Local Time. 228.2 Navigation Epochs. 238.3 iTOW Timestamps . 248.4 GNSS Times . 248.5 Time Validity. 248.6 UTC Representation . 258.7 Leap Seconds . 258.8 Real Time Clock . 258.9 Date. 268.9.1 GPS-only Date Resolution . 269 Broadcast Navigation Data. 269.1 Parsing Navigation Data Subframes . 279.2 GPS . 279.3 GLONASS. 279.4 BeiDou . 289.5 Galileo. 289.6 SBAS . 299.7 QZSS . 309.8 IMES . 309.9 Summary . 3010 Serial Communication Ports Description . 3110.1 TX-ready indication. 3110.2 Extended TX timeout . 3210.3 UART Ports. 3210.4 USB Port . 3210.5 DDC Port . 3310.5.1 Read Access. 3310.5.2 Write Access. 3510.6 SPI Port. 3610.6.1 Maximum SPI clock speed. 3610.6.2 Read Access. 3610.6.3 Back-To-Back Read and Write Access. 3610.7 How to change between protocols. 3711 Multiple GNSS Assistance (MGA). 3711.1 Introduction. 3711.2 Assistance Data. 3711.3 AssistNow Online . 3811.3.1 Host Software. 3911.3.2 AssistNow Online Sequence . 40UBX-13003221 - R12Early Production InformationPage v
u-blox 8 / u-blox M8 Receiver Description - Manual11.3.3 Flow Control . 4011.3.4 Authorization . 4011.3.5 Service Parameters . 4011.3.6 Multiple Servers. 4211.4 AssistNow Offline. 4211.4.1 Service Parameters . 4311.4.2 Authorization . 4411.4.3 Multiple Servers. 4411.4.4 Time, Position and Almanac . 4411.4.5 Flash-based AssistNow Offline . 4411.4.6 Host-based AssistNow Offline . 4511.5 Preserving Information During Power-off. 4611.6 AssistNow Autonomous. 4611.6.1 Introduction. 4611.6.2 Concept. 4711.6.3 Interface. 4811.6.4 Benefits and Drawbacks . 4912 Power Management . 5012.1 Continuous Mode. 5112.2 Power Save Mode. 5112.2.1 Operation . 5112.2.2 Configuration . 5412.2.3 Features . 5712.2.4 Examples . 5812.3 Peak current settings . 5912.4 Power On/Off command. 5912.5 EXTINT pin control when Power Save Mode is not active . 5912.6 Measurement and navigation rate with Power Save Mode. 5912.7 Power Mode Setup. 6013 Forcing a Receiver Reset . 6014 Receiver Status Monitoring. 6114.1 Input/Output system . 6114.2 Jamming/Interference Indicator.
u-blox 8 / u-blox M8 Receiver Description - Manual Document Information Title u-blox 8 / u-blox M8 Receiver Description Subtitle Including Protocol Specification v15-20.30,22-23.01 Document type Manual Document number UBX-13003221 Revision and date R12 (c9f0122) 28 April 2017 Document status
u-blox 8 / u-blox M8 Receiver Description - Manual Document Information Title u-blox 8 / u-blox M8 Receiver Description Subtitle Including Protocol Specification v15-20.30,22-23.01 Document type Manual Document number UBX-13003221 Revision and date R17 (5321fe3) 17 May 2019 Document status
u-blox 8 / u-blox M8 Receiver Description - Manual Document Information Title u-blox 8 / u-blox M8 Receiver Description Subtitle Including Protocol Specification v15-20.30,22-23.01 Document type Manual Document number UBX-13003221 Revision and date R16 (e581faf) 18 December 2018 Document status
To determine which u-blox product best meets your needs, see the product selector tables on the u-blox website www.u-blox.com. 1.2 Configuration The configuration settings can be modified using UBX protocol configuration messages; see the u-blox 8 / u-blox M8 Receiver Description Includ
u-blox AG Zürcherstrasse 68 8800 Thalwil Switzerland www.u-blox.com Phone 41 44 722 7444 Fax 41 44 722 7447 info@u-blox.com u-blox 5 NMEA, UBX Protocol Specification u
u-blox 6 GPS Modules . Data Sheet . 17.0 x 22.4 x 2.4mm. Abstract . Technical data sheet describing the cost effective, highperformance - u-blox 6 based LEA-6 series of GPS modules, that bringthe high performance of the u-blox 6 position engine to the industry standard LEA form fact
Conclusion 7 About the Authors 8 About u-blox 9 Anti-Jamming techniques in u-blox GPS receivers / White Paper Published by u-blox AG 2. Executive Summary A critical factor when selecting components for a GPS system is the receiver’s immunity
www.u-blox.com. u-blox makes no warranties based on the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice. u-blox reserves all righ
programming Interrupt handling Ultra-low power Cortex-M4 low power. STM32 F4 Series highlights 1/4 ST is introducing STM32 products based on Cortex M4 core. Over 30 new part numbersOver 30 new part numbers pin-to-pin and software compatiblepin and software compatible with existing STM32 F2 Series. Th DSP d FPU i t ti bi d tThe new DSP and FPU instructions combined to 168Mhz performance open .
