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The CC2431 is a true System-On-Chip (SOC) for wireless sensor networking ZigBee™ / 802.15.4 solutions with location detection engine hardware onboard allowing location accuracy of around 3 meters or less. It enables ZigBee™ nodes to be built with very low total bill-of-material costs. The CC2431 combines the excellent performance of the leading CC2420 RF transceiver with an industry-standard enhanced 8051 MCU, 128KB flash memory, 8 KB RAM and many other powerful features. Combined with the industry leading ZigBee™ protocol stack (Z-Stack™) from Figure 8 Wireless / Chipcon, the CC2431 provides the market's most competitive ZigBee™ solution.
The CC2431 is highly suited for systems where ultra low power consumption is required. This is achieved by various operating modes. Short transition times between these modes further ensure low power consumption.
CC2431 Features
• Location Engine accurately calculates the location of a node in a network • High performance and low power 8051 microcontroller core. • 2.4 GHz IEEE 802.15.4 compliant RF transceiver (industry leading CC2420 radio core). • Excellent receiver sensitivity and robustness to interferers • 128 KB in-system programmable flash • 8 KB RAM, 4 KB with data retention in all power modes • Powerful DMA functionality • Very few external components • Only a single crystal needed for mesh network systems • Low current consumption (RX: 27mA, TX: 25mA, microcontroller running at 32 MHz) • Only 0.9A current consumption in power-down mode, where external interrupts or the RTC can wake up the system
CC2431 Typical Application
• ZigBee™ systems • 2.4 GHz IEEE 802.15.4 systems • Home/building automation • Industrial Control and Monitoring • Low power wireless sensor networks • Access Control • PC peripherals • Set-top boxes and remote controls • Consumer Electronics • Container/Vehicle Tracking • Active RFID • Inventory Control