RFM DNT90C Manuals

Manuals and User Guides for RFM DNT90C. We have 1 RFM DNT90C manual available for free PDF download: Integration Manual

RFM DNT90C Integration Manual

RFM DNT90C Integration Manual (82 pages)

900 MHz Spread Spectrum Wireless Transceivers

Brand: RFM | Category: Transceiver | Size: 5 MB

Table of Contents

Table of Contents
4
DNT90 Introduction
6
Why Spread Spectrum
6
Frequency Hopping Versus Direct Sequence
7
DNT90 System Overview
8
Point-To-Point Systems
8
Point-To-Multipoint Systems
9
Store-And-Forward Systems
9
RF Channel Access
10
DNT90 Addressing
11
Network Linking and Slot Registration
11
Fast Linking Techniques
12
Transparent and Protocol-Formatted Serial Data
12
DNT90 Application Interfaces
13
Serial Ports
13
SPI Port
13
Digital I/O
16
Analog I/O
16
I/O Event Reporting and I/O Binding
17
DNT90 System Configuration
18
Configuration Parameters
18
Configuring a Basic Point-To-Point System
18
Configuring a Basic Point-To-Multipoint System
18
Configuring a Customized Point-To-Point or Point-To-Multipoint System
19
Configuring a Store-And-Forward System
20
Slot Buffer Sizes, Number of Slots, Messages Per Hop and Hop Duration
21
DNT90 Application Interface Configuration
23
Configuring the Serial Port
23
Configuring the SPI Port
24
Configuring Digital I/O
24
Configuring Analog I/O
24
Configuring I/O Event Reporting and I/O Binding
25
Configuring Sleep Mode
26
DNT90 Hardware
27
Electrical Specifications
28
Module Pin out
29
Antenna Connector
30
Power Supply and Input Voltages
31
ESD and Transient Protection
31
Interfacing to 5 V Logic Systems
31
Mounting and Enclosures
31
Labeling and Notices
32
DNT90 Protocol-Formatted Messages
33
Protocol Formats
33
Message Types
33
Message Format Details
34
Configuration Parameter Registers
41
Bank 0X00 - Transceiver Setup
41
Bank 0X01 - System Settings
44
Bank 0X02 - Status Parameters
45
Bank 0X03 - Serial and SPI Settings
47
Bank 0X04 - Host Protocol Settings
48
Bank 0X05 - I/O Parameters
49
Bank 0X06 - I/O Settings
50
Bank 0X0Ff - Special Functions
55
Protocol-Formatted Message Examples
56
Data Message
56
Configuration Message
57
Sensor Message
57
Event Message
58
DNT90DK/DNT90ADK Developer's Kits
59
Kit Contents
59
Additional Items Needed
59
Developer's Kit Default Operating Configuration
59
Developer's Kit Hardware Assembly
60
DNT90 Utility Program
61
Initial Kit Operation
62
Serial Communication and Radio Configuration
65
DNT90 Interface Board Features
71
Troubleshooting
73
Diagnostic Port Commands
73
Appendices
74
Ordering Information
74
Technical Support
74
DNT90/DNT90A Mechanical Specifications
75
DNT90 Development Board Schematic
79
Warranty
82

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