Multi-Tech Systems 92U13A16858 ユーザーズマニュアル

CONTENTS

MultiConnect

®

xDot

TM

MTXDOT Developer Guide

3

Contents

Chapter 1 Product Overview .................................................................................................................................... 6

Overview ....................................................................................................................................................................... 6
Documentation Overview ............................................................................................................................................. 6

Related Documentation .............................................................................................................................................. 6

mbed Documentation ................................................................................................................................................... 6

Programming the xDot Microcontroller ..................................................................................................................... 7
General mBed Links .................................................................................................................................................... 7
xDot Platform ............................................................................................................................................................. 7

EUI and Networking ...................................................................................................................................................... 7
Product Build Options ................................................................................................................................................... 8

Chapter 2 Getting Started ........................................................................................................................................ 9

Getting Started with the xDot Developer Kit................................................................................................................ 9
COM Port Enumeration by Operating System .............................................................................................................. 9

Linux ............................................................................................................................................................................ 9
Windows ..................................................................................................................................................................... 9
Mac ........................................................................................................................................................................... 10

Chapter 3 Mechanical Drawings with Pinouts ........................................................................................................ 11

xDot ............................................................................................................................................................................. 11

Chapter 4 Specifications and Pin Information ........................................................................................................ 12

MTXDOT Specifications ............................................................................................................................................... 12

Mapping Data Rate to Spreading Factor/Bandwidth................................................................................................ 14

Power Draw................................................................................................................................................................. 15

Measuring the Power Draw ...................................................................................................................................... 15

Electrical Characteristics ............................................................................................................................................. 16
xDot and Processor Pin Information .......................................................................................................................... 16

Pin Information ......................................................................................................................................................... 16
Pull-Up/Down............................................................................................................................................................ 19

xDot Pinout Design Notes ........................................................................................................................................... 20

Serial Pinout Notes.................................................................................................................................................... 20

Serial Settings.............................................................................................................................................................. 20
LoRa ............................................................................................................................................................................ 20

Throughput Rates...................................................................................................................................................... 20
Range ........................................................................................................................................................................ 20

Chapter 5 Antennas ............................................................................................................................................... 22

Antenna System ......................................................................................................................................................... 22
U.FL and Trace Antenna Options ............................................................................................................................... 22
Pulse Electronics Antenna........................................................................................................................................... 23