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Wireless MCUs geared for smart grids

Posted: 28 Mar 2012 ?? ?Print Version ?Bookmark and Share

Keywords:wireless MCU? smart grid? ARM Cortex?

STMicroelectronics N.V. has announced a single-chip wireless MCU engineered for next-generation smart grid standards. The STM32W is designed to cut power outages and carbon emissions while also supporting future lifestyle choices such as plug-in rechargeable electric vehicles, indicated the company.

The MCU is IEEE802.15.4-certified and is capable of supporting the new ZigBee Smart Energy Profile version 2.0 (SEP 2.0) that defines smart grid scenarios for a "greener" world. The use of the latest IPv6-based Stack (ZigBeeIP) extends interoperability between different manufacturers and their physical-layer implementations. The STM32W includes support for pre-pay services, load response and energy-demand management.


The STM32W supports ZigBee SEP 2.0.

The STM32W enables development of SEP 2.0-compliant smart grid applications with its increased memory capacity of up to 256KB and high code density, made possible by the ARM Cortex-M3 processor core, said ST. The device likewise includes two 16bit timers, an encryption accelerator and 12bit ADC that the company said could aid designers in creating cost-effective autonomous wireless sensors and control solutions.

The STM32W flaunts compatibility with other STM32 devices and is also supported by STM32 development tools.

The STM32W is sampling to lead customers and is scheduled for introduction at resale price from $2.05 for 64KB flash and $2.91 for 256KB flash, in quantities of 1000 units. All variants will be available in a 48-pin QFN48 package, with a 40-pin QFN40 option also offered for lower-density versions.

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