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u-blox NEO-M9N User Manual

u-blox NEO-M9N
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NEO-M9N
Standard precision GNSS module
Integration manual
Abstract
Integration manual describing the u-blox NEO-M9N GNSS module. NEO-
M9N offers ultra-robust meter-level GNSS positioning performance with
concurrent reception of up to four GNSS (GPS, GLONASS, BeiDou, Galileo)
in a 12.2 x 16.0 mm package.
www.u-blox.com
UBX-19014286 - R07
C1-Public

Table of Contents

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u-blox NEO-M9N Specifications

General IconGeneral
Brandu-blox
ModelNEO-M9N
CategoryReceiver
LanguageEnglish

Summary

Integration Manual Overview

System Description

Overview

General overview of the NEO-M9N GNSS receiver and its capabilities.

Architecture

Describes the internal architecture and key functionalities of the NEO-M9N receiver.

Receiver Functionality

Receiver Configuration

Details how to configure the NEO-M9N receiver using UBX configuration interface keys.

SBAS

Explains the functionality of the Satellite-Based Augmentation System (SBAS) for accuracy improvement.

Geofencing

Describes the geofencing feature for setting up circular areas and monitoring position.

Logging

Explains the feature allowing position fixes and byte strings to be logged in receiver flash memory.

Data Batching

Describes the feature to store position fixes in RAM for later retrieval in a single batch.

Spectrum Analyzer

Details the spectrum analyzer tool for identifying noise or jammers in the reception band.

Communication Interfaces

Covers the UART, I2C, SPI, and USB interfaces for communication with a host CPU.

Predefined PIOs

Describes predefined General Purpose Input/Output (PIO) pins for interaction with the receiver.

Multiple GNSS Assistance (MGA)

Explains u-blox's AssistNow services for A-GNSS protocol and its variants.

Power Management

Details different power modes to control acquisition and tracking engines for performance or power saving.

Clocks and Time

Introduces receiver clocks, time bases, and time synchronization concepts.

Timing Functionality

Describes the time pulse and timemark features for precise timing applications.

Security

Covers air interface security, GNSS satellite integrity, and receiver self-protection features.

u-blox Protocol Feature Descriptions

Explains broadcast navigation data messages and subframe structures for different GNSS.

Forcing a Receiver Reset

Details how to force a receiver reset, including different reset types and modes.

Firmware Upload

Explains the process and importance of updating the receiver's firmware image.

Design

Pin Assignment

Provides the pin layout and configuration details for the NEO-M9N module.

Power Supply

Details the power supply pins (VCC, V_BCKP, V_USB) and their requirements.

NEO-M9N Minimal Design

Shows a minimal electrical circuit for NEO-M9N operation using UART1 interface.

NEO-M9N Internal Components

Lists and describes internal components like clock generation, RTC, SAW/LNA, and flash memory.

Antenna

Discusses antenna requirements, design considerations, and connection for GNSS signal reception.

EOS/ESD Precautions

Covers Electrostatic Discharge (ESD) and Electrical Overstress (EOS) precautions for handling and design.

Electromagnetic Interference on I/O Lines

Addresses EMI issues on I/O lines and provides EMI protection measures and recommendations.

Layout

Details layout and placement requirements for optimal RF performance and interference reduction.

Design Guidance

Provides crucial guidelines for power supply, backup battery, RF front-end, and layout.

Product Handling

ESD Handling Precautions

Emphasizes strict precautions for handling Electrostatic Sensitive Devices (ESDs).

Soldering

Guides on soldering paste selection, reflow soldering profiles, and rework procedures.

Packaging

Describes module delivery in reeled tapes for efficient production and handling.

Tapes

Illustrates tape orientation and feed direction for NEO-M9N modules.

Reels

Specifies reel quantities and type for NEO-M9N receivers.

Moisture Sensitivity Levels

Details the Moisture Sensitivity Level (MSL) for NEO-M9N packages according to industry standards.

Migration

Glossary

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