Benutzerhandbuch für Murata Electronics North America DNT900

Inhaltsverzeichnis

• Introduction

  5
• Why Spread Spectrum?

  5
• Frequency Hopping versus Direct Sequence

  6
• 2.0 DNT900 Radio Operation

  7
• Network Synchronization and Registration

  7
• Transparent and Protocol Serial Port Modes

  8
• RF Data Communications

  8
• RF Transmission Error Control

  9
• Network Configurations

  9
• Point-to-Point Network Operation

  9
• Point-to-Multipoint Network Operation

  10
• Full-Duplex Serial Data Communications

  10
• Channel Access

  10
• CSMA Modes

  11
• TDMA Modes

  12
• Network Configuration Planning

  13
• Serial Port Operation

  15
• Sleep Modes

  16
• Encryption

  18
• 3.0 DNT900 Hardware

  19
• Specifications

  20
• Module Interface

  21
• Input Voltages

  22
• ESD and Transient Protection

  22
• Interfacing to 5 V Logic Systems

  23
• Power-On Reset Requirements

  23
• Mounting and Enclosures

  23
• Connecting Antennas

  23
• Labeling and Notices

  24
• 4.0 Protocol Messages

  25
• Protocol Message Formats

  25
• Message Types

  25
• Message Format Details

  26
• Escape Sequence

  27
• CFG Select Pin

  27
• Flow Control

  27
• Protocol Mode Data Message Example

  28
• Configuration Registers

  28
• Bank 0 - Transceiver Setup

  28
• Bank 1 - System Settings

  30
• Bank 2 - Status Registers

  31
• Bank 3 - Serial

  33
• Bank 4 - Host Protocol Settings

  34
• Bank 5 - I/O Peripheral Registers

  35
• Bank 6 - I/O Setup

  36
• Bank FF - Special Functions

  38
• Protocol Mode Configuration/Sensor Message Example

  38
• Protocol Mode Event Message Example

  39
• 5.0 DNT900DK Developer’s Kit

  40
• DNT900DK Kit Contents

  40
• Additional Items Needed

  40
• Developer’s Kit Default Operating Configuration

  41
• Development Kit Hardware Assembly

  41
• DNT900 Wizard Utility Program

  43
• DNT900 Interface Board Features

  50
• Demonstration Procedure

  53
• Troubleshooting

  54
• Appendices

  55
• Ordering Information

  55
• Technical Support

  55
• DNT900 Mechanical Specifications

  56
• Warranty

  58