Manual Do Utilizadoríndice analíticoDNT24 Introduction6Why Spread Spectrum?6Frequency Hopping versus Direct Sequence7DNT24 System Overview8Point-to-Point Systems8Point-to-Multipoint Systems9Store-and-Forward Systems9RF Channel Access10DNT24 Addressing11Network Linking and Slot Registration11Fast Linking Techniques12Transparent and Protocol-formatted Serial Data12DNT24 Application Interfaces13Serial Ports13SPI Port13Digital I/O16Analog I/O16I/O Event Reporting and I/O Binding17DNT24 System Configuration17Configuration Parameters17Configuring a Basic Point-to-Point System18Configuring a Basic Point-to-Multipoint System18Configuring a Customized Point-to-Point or Point-to-Multipoint System18Configuring a Store-and-Forward System20Slot Buffer Sizes, Number of Slots, Messages per Hop and Hop Duration21DNT24 Application Interface Configuration23Configuring the Serial Port23Configuring the SPI Port23Configuring Digital I/O23Configuring Analog I/O23Configuring I/O Event Reporting and I/O Binding24Configuring Sleep Mode25DNT24 Hardware27Electrical Specifications28Module Pin Out29Antenna Connector30Power Supply and Input Voltages31ESD and Transient Protection31Interfacing to 5 V Logic Systems31Mounting and Enclosures31Labeling and Notices32DNT24 Protocol-formatted Messages33Protocol Formats33Message Types33Message Format Details34Configuration Parameter Registers41Bank 0x00 - Transceiver Setup41Bank 0x01 - System Settings44Bank 0x02 - Status Parameters46Bank 0x03 - Serial and SPI Settings47Bank 0x04 - Host Protocol Settings48Bank 0x05 - I/O Parameters49Bank 0x06 - I/O Settings51Bank 0x0FF - Special Functions56Protocol-formatted Message Examples57Data Message57Configuration Messages58Sensor Message58Event Message59DNT24DK/DNT24ADK Developer’s Kits60Kit Contents60Additional Items Needed60Developer’s Kit Default Operating Configuration60Developer’s Kit Hardware Assembly61Utility Program62Initial Kit Operation62Serial Communication and Radio Configuration65Interface Board Features72Troubleshooting74Diagnostic Port Commands74Appendices75Ordering Information75Technical Support75DNT24/DNT24A Mechanical Specifications76DNT24 Development Board Schematic80Warranty83Tamanho: 2 MBPáginas: 83Language: EnglishAbrir o manual
