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Radio System-on-Chip Simplifies Embedding RF in Wireless Sensor Networks

Mon, 11/08/2010 - 7:19am

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NORWOOD, Mass. -- (BUSINESS WIRE) -- Analog Devices, Inc. today introduced a SoC (system-on-chip) device that integrates all of the RF (radio frequency) transmit and receive functions, data conversion, and processing elements required to enable a fully programmable radio.

Designed for a range of remote, battery-powered wireless sensor network (WSN) applications, including utility meters, medical telemetry systems, building automation, asset tracking and security systems, the ultra-low-power ADuCRF101 radio SoC features a 12-bit ADC (analog-to-digital converter), a 32-bit microprocessor core, on-chip SRAM and FLASH memory and an ISM-band radio transceiver. Download the ADuCRF101 radio SoC data sheet.

The ADuCRF101 radio SoC extends ADI’s precision analog microcontroller portfolio, which now includes an ultra-low-power offering based on the Cortex-M3 processor, to support the demanding design requirements of today’s remote sensing and measurement applications. Design engineers can visit ADI’s EngineerZone, an open technical support forum where they can ask questions, share knowledge and search for answers to questions regarding precision analog microcontrollers.

The network range and coverage of the ADuCRF101 radio SoC is well suited to applications where data must be captured, measured, and transmitted quickly in noisy environments without taxing battery life.

The ADuCRF101 radio SoC’s 32-bit ARM Cortex-M3 core provides the throughput necessary to support a growing array of sensing and measurement functions, and features serial download and debug, an external watch crystal that functions as a wake-up timer, and a 16-MHz PLL with an 8-way programmable divider. The integrated RF transceiver provides a combination of industry-leading interference blocking performance with very low receive and transmit currents, allowing more robust operation in urban environments where interfering signals are present.

The ADuCRF101 device is supported by a suite of ADI development tools, which include evaluation boards with matching antennae, an emulator board, ADuCRF101-specific compiler, serial-wire program download and debug support, as well as CMSIS (Cortex Microcontroller Software Interface Standard) compliant software libraries to support all peripherals. Also available are a power/battery-life calculator and RF low-level drivers and evaluation tools.

The ADuCRF101 radio SoC supports DASH7? a coalition of organizations promoting a standard for versatile wireless sensor networks at 433 MHz that is based on the ISO-18000-7 standard (originally designed for active RFID in the military). The ADuCRF101 additionally boasts long range, good penetration and low power and also supports 802.15.4-based networks.

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