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‘Wonder Gecko’ mcu extends battery life in portable applications

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Energy Micro has announced the availability of the EFM32 Wonder Gecko, which it describes as its most advanced microcontroller yet.

The mcu includes an ARM Cortex-M4 processor, which provides a full dsp instruction set and a dedicated floating point unit. It also utilises the eLL (extreme low leakage) process for low power operation in active and sleep modes. "Embedded designers have asked for lower power down current at higher temperatures," said Energy Micro's ceo Øyvind Janbu. "To support this we have been working with TSMC to utilise new technology that cuts the power consumption in half at 85°C. "Pairing low sleep current with the floating point performance of the Cortex-M4 and its dsp instruction set makes it possible to collect and process large chunks of data and then return to the most energy efficient sleep modes faster than before." The Wonder Gecko family consists of 60 scalable memory and package configurations with up to 256KB flash and 32KB ram. Devices and development kits are available now.