Wireless MCU aimed at smart grid

30 May 2012 DSP, Micros & Memory

STMicroelectronics has developed a new single-chip wireless microcontroller for the next generation of smart grid standards. The device is aimed at reducing power outages and carbon emissions while also supporting future lifestyle choices including plug-in rechargeable electric vehicles.

The STM32W microcontroller is among the first IEEE802.15.4 certified platforms that will support the new ZigBee Smart Energy Profile version 2.0 (SEP 2.0), which defines smart grid scenarios for a ‘greener’ world. The use of the latest Internet Protocol (IPv6)-based stack (ZigBeeIP) extends interoperability between different manufacturers and their physical-layer implementations.. Among many other SEP 2.0 advances, the STM32W includes support for prepay services, load response, and energy demand management.

The STM32W enables development of SEP 2.0-compliant smart grid applications with its memory capacity of up to 256 KBytes and high code density, made possible by the ARM Cortex-M3 processor core. In addition to the certified IEEE 802.15.4 radio implemented on-chip, other functions such as two 16-bit timers, an encryption accelerator and 12-bit ADC are also valuable for designers creating cost-effective autonomous wireless sensors and control solutions.

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