Energy Micro’s “Wonder Gecko” with ARM Cortex-M4 and FPU now available

Energy Micro is now shipping its latest and what it claims is its most advanced microcontroller yet, the EFM32 Wonder Gecko, along with devices and development kits. The new MCU includes the ARM Cortex-M4 processor that provides a full DSP instruction set and a dedicated floating point unit (FPU). The EFM32 uses the eLL (extreme low leakage) process for ultimate low-power operation in active and sleep modes.

“Embedded designers have asked for lower power-down current at higher temperatures. To support this we have been working with TSMC to utilise new technology that cuts the power consumption in half at 85°C”, says Energy Micro’s CTO, Øyvind Janbu. “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, such as sensor readings, perform computation in a fraction of the time required by other microcontrollers, 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 256 KB Flash and 32 KB RAM, and QFN64 to BGA120 options. All options include the autonomous Gecko peripherals and interface options like LESENSE, LETIMER, PRS, USB and TFT/LCD drivers for a complete system on chip solution.

Design tools for planning, coding and design verification are supported by Energy Micro’s free Simplicity Studio suite. To reduce the design time, Simplicity Studio includes the CMSIS-DSP library with over 60 functions in fixed-point and single precision floating-point (32-bit) implementation, and documentation for DSP algorithms such as complex FFT, FIR filters, matrix and vector operations and statistical analysis. All supporting hardware development tools come with a built-in J-Link debugger from SEGGER, so it is only necessary to plug it into your computer’s USB port to get started.

The products are available from Mouser and Digi-Key as well as franchised distributors.

www.energymicro.com

 

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