EFM32 Wonder Gecko microcontrollers include ARM Cortex-M4 with FPU
The energy efficient Cortex-M4 with Floating Point Unit is ARM's ultra low power DSP class processor
ARM's Cortex-M4 processor is an award winning processor specifically developed to address digital signal control markets that demand an efficient, easy-to-use blend of control and signal processing capabilities. In the EFM32 Wonder Gecko, the combination of high-efficiency signal processing functionality with the proven energy friendly Gecko technology makes for an easy to use microcontroller with the lowest energy consumption available!
Cortex-M4 with FPU and signal processing technologies. The Cortex-M4 processor has been designed with a large variety of highly efficient signal processing features applicable to digital signal control markets. The Cortex-M4 processor features extended single-cycle multiply-accumulate (MAC) instructions, optimized SIMD arithmetic, saturating arithmetic instructions and an optional single precision Floating Point Unit (FPU). These features build upon the innovative technology that characterizes the ARM Cortex-M series processors.