Contents
1.0
DNT90M Introduction ................................................................................................................................................. 7
1.1
Why Spread Spectrum?........................................................................................................................................... 7
1.2
Frequency Hopping versus Direct Sequence .......................................................................................................... 8
2.0
DNT90M Network Overview ....................................................................................................................................... 9
2.1
DNT90M Addressing ............................................................................................................................................. 10
2.2
DN24M Transmission Error Control ...................................................................................................................... 10
2.3
Transparent and Protocol-formatted Serial Data ................................................................................................. 10
3.0
DNT90M Application Interfaces ................................................................................................................................ 11
3.1
Serial Ports ............................................................................................................................................................ 11
3.2
SPI Port .................................................................................................................................................................. 11
3.3
Digital I/O .............................................................................................................................................................. 14
3.4
Analog I/O ............................................................................................................................................................. 14
3.5
I/O Event Reporting and I/O Binding .................................................................................................................... 15
4.0
DNT90M System Configuration ................................................................................................................................ 16
4.1
Configuration Parameters ..................................................................................................................................... 16
4.2
DNT90M Common Network Configurations ......................................................................................................... 16
4.3
DNT90M Default Network Configuration ............................................................................................................. 17
4.4
Customized DNT90M Network Configurations ..................................................................................................... 17
5.0
DNT90M Application Interface Configuration .......................................................................................................... 18
5.1
Configuring the Serial Port .................................................................................................................................... 18
5.2
Configuring the SPI Port ........................................................................................................................................ 18
5.3
Configuring Digital I/O........................................................................................................................................... 19
5.4
Configuring Analog I/O .......................................................................................................................................... 19
5.5
Configuring I/O Event Reporting and I/O Binding ................................................................................................. 20
5.6
Configuring Sleep Mode ........................................................................................................................................ 20
6.0
DNT90M Hardware ................................................................................................................................................... 22
6.1
Specifications ........................................................................................................................................................ 23
6.2
Module Pin Out ..................................................................................................................................................... 24
6.3
Antenna Connector ............................................................................................................................................... 25
6.4
Power Supply and Input Voltages ......................................................................................................................... 26
6.5
ESD and Transient Protection ............................................................................................................................... 26
©2012 by Murata Electronics N.A., Inc.
DNT90M Integration Guide (2012/09/17)
Page 4 of 74
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