
Linear Technology
Introduction
Eterna is the world’s most energy-efficient IEEE 802.15.4 compliant platform enabling battery and energy harvested endpoint, routing and network management solutions. With a powerful 32-bit ARM® Cortex™-M3, best in class radio, flash, RAM and purpose-built peripherals, Eterna provides a flexible, scalable and robust networking solution for applications demanding both minimal energy consumption and data reliability in even the most challenging RF environments.
Shown in Figure 1, Eterna integrates purpose-built peripherals that excel in both low operating-energy consumption and the ability to rapidly and precisely cycle between operating and low-power states. Items in the shaded region correspond to the analog/RF components.
Key Product Features
SmartMesh IP Mesh Networking Performance
• Advanced network management—dynamically optimizes mesh connectivity based on the changing RF environment
• Load balancing & optimization—adds bandwidth for the busiest motes while maintaining normal traffic flow for the rest of network
• Intelligent power management—balances traffic so that power consumption is also balanced within the network
• Battery powered routers
• Auto-forming, self-healing, self-sustaining—automatically configures and maintains the network without requiring onsite wireless expertise.
• Compact manager design manages networks up to 32 motes
Time Synchronized Mesh Networking
• Zero collision packet exchange—for scalability and efficiency
• Time-synchronized channel hopping seamlessly compensates for in band blocking and multipath fading in dynamic RF environments
• Highly Accurate Time Stamping
Full Application Flexibility
• Dynamic bandwidth—creates temporary high bandwidth “pipes”
• Low latency mode—mode for fastest packet transfer Industryleading radio technology capable of line-powered, batterypowered, or energy-scavenging operation
Ultra-low Power Operation
• Industry-leading radio technology capable of line-powered, battery-powered, or energy-scavenging operation
IP Standards Compliance
• Compliant to IETF 6LoWPAN and IEEE 802.15.4e standards
Easy to Integrate and Deploy
• Fully engineered RF transceiver, with power amplifier (PA), integrated balun, and antenna matching circuitry
• Comprehensive APIs provide a rich and flexible functionality to ease software development and device integration
Secure Global Market Solution
• Operates on 2.4 GHz global license-free band, providing customers with a single product for world-wide use
• AES-128 bit encryption