ARM® Cortex®-M4 with FPU

ARM's Ultra-Low-Power DSP Class Processor

The ARM 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. EFM32™ MCUs combine high-efficiency signal processing functionality with the proven energy friendly Gecko technology, making these devices ideal for lower energy applications.

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 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.


  • IEEE 754 standard compliant
  • Single precision floating point unit
  • Fused MAC for higher precision
ARM Cortex-M4 Based MCUs Select Columns
Select Columns
Speed (MHz) Flash (kB) RAM (kB) USB LCD UART USART I2C I2S Packages
Giant Gecko S1
EFM32GG S1 GG11 and GG12 32-bit Microcontrollers
72 512, 1024, 2048 192, 384, 512 2 5, 6 2, 3 2, 3 BGA112, BGA120, BGA152, BGA192, QFN64, QFP100, QFP64
Pearl Gecko
EFM32 Pearl Gecko 32-bit Microcontrollers
40 128, 256, 1024 32, 256 0 2, 4 1, 2 1, 2 BGA125, QFN32, QFN48
Wonder Gecko
EFM32 Wonder Gecko 32-bit Microcontrollers
48 256 32 5, 7 3 2 1 BGA112, QFN64, QFP100

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