Freescale Demonstrates Fastest Dual-Network Functionality for ZigBee® Networks and Smart Energy Systems

Kinetis KW20 wireless microcontroller's dual-PAN feature allows a single device to simultaneously participate in two ZigBee networks

Metering, Billing/CRM Europe

Booth D06

AMSTERDAM--Freescale Semiconductor (NYSE: FSL) is demonstrating dual-PAN (personal area network) functionality with its new generation of Kinetis wireless solutions. As the deployment of IEEE® 802.15.4 ZigBee® networks continues to expand, multiple ZigBee networks (including ZigBee Home Automation, ZigBee RF4CE and ZigBee Smart Energy versions 1.x and 2.0) may exist simultaneously in a home or building. The dual-PAN capability in Freescale's Kinetis KW20 wireless microcontroller (MCU) allows a single device to seamlessly connect and actively participate in two separate networks.

The ARM® CortexTM-M4-based KW20 wireless MCU has up to 512 KB of flash and 64 KB of SRAM, providing enough memory to run both network protocol stacks on a single device and eliminating the need for a second MCU.

"Freescale recognizes the need to support multiple ZigBee networks and even different versions of protocols within a small area," said Bruno Baylac, director and general manager of Freescale's Metering, Medical & Connectivity business unit. "We're helping our customers adapt to multiple scenarios in this fluid environment with the lowest cost and shortest development time. Our hardware implementation is less complex than software-only implementations, while significantly improving the performance and robustness of the end product."

Freescale's distinctive hardware implementation maintains key network information for two networks, including the PAN ID, short and long network addresses and the RF channel, allowing the device to rapidly change between networks in as little as 64 uS. This results in a 5x performance improvement over software implementations and significantly reduces network traffic and latency while lowering overall power consumption. In addition, the KW20 can function as a coordinator, a router or an end device on each network. If both networks are operating on the same RF channel, then the KW20 can filter network information on the fly, completely eliminating the need to switch between networks.

"Freescale has a number of innovative ZigBee solutions and its dual-PAN feature in the Kinetis KW20 family is another great addition," said Bob Heile, chairman of the ZigBee Alliance. "With the growing demand for ZigBee Certified products, Freescale's KW20 will help meet this need."

For ultimate flexibility, Freescale also offers an individual IEEE 802.15.4 radio transceiver with the same high-performance characteristic as the radio inside the KW20, including dual-PAN capability. This radio device, the MC13242, can be paired with any of the vast selection of Kinetis 32-bit MCUs.

Dual-PAN functionality will be supported in Freecale's ZigBee protocol software and sample applications for the MC13242 and KW20 wireless MCUs, including the forthcoming ZigBee IP stack and ZigBee Smart Energy 2.0 standard.

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Freescale is now sampling the Kinetis KW20 wireless MCUs (KW21D256V, KW21D512V and KW22D512V) and the MC13242 RF transceiver to select customers, as well as providing ZigBee protocol stack and profile software. General availability is expected in the first quarter of 2013 and pricing for the KW21D256 starts at $4.27(USD) suggested resale price for 10K units. For more information, visit

About Metering, Billing/CRM Europe

With more than 5,000 expected attendees, this event is billed as the world's largest smart utility exhibition that offers a unique networking platform for decision-makers in the utility business concerned with smart metering, data management, billing and customer issues.

Freescale is exhibiting in booth D06, demonstrating a variety of smart metering solutions based on the new Kinetis KW20 MCU with integrated ZigBee support.

ZigBee: Control your world

ZigBee offers green and global wireless standards connecting the widest range of devices to work together intelligently and help you control your world. The ZigBee Alliance is an open, non-profit association of approximately 400 members driving development of innovative, reliable and easy-to-use ZigBee standards. The Alliance promotes worldwide adoption of ZigBee as the leading wirelessly networked, sensing and control standard for use in consumer, commercial and industrial areas. For more information, visit:

About Freescale Semiconductor

Freescale Semiconductor is a global leader in embedded processing solutions, providing industry leading products that are advancing the automotive, consumer, industrial and networking markets. From microprocessors and microcontrollers to sensors, analog integrated circuits and connectivity - our technologies are the foundation for the innovations that make our world greener, safer, healthier and more connected. Some of our key applications and end-markets include automotive safety, hybrid and all-electric vehicles, next generation wireless infrastructure, smart energy management, portable medical devices, consumer appliances and smart mobile devices.

The company is based in Austin, Texas, and has design, research and development, manufacturing and sales operations around the world.

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