Wireless MCU aimed at smart grid

14 November 2012 DSP, Micros & Memory

STMicroelectronics developed a 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 was among the first IEEE802.15.4 certified platforms to support the 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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