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.
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.
|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|
EFM32 Pearl Gecko 32-bit Microcontrollers
|40||128, 256, 1024||32, 256||0||2, 4||1, 2||1, 2||BGA125, QFN32, QFN48|
EFM32 Wonder Gecko 32-bit Microcontrollers
|48||64, 128, 256||32||5, 7||3||2||1||BGA112, BGA120, CSP81, QFN64, QFP100, QFP64|