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EFM32
EFM32 is a family of 32-bit microcontroller integrated circuits by Energy Micro AS, a subsidiary of Silicon Labs. The EFM32 chips are grouped into related series that are based around the same 32-bit ARM processor core, such as the Cortex-M4F, Cortex-M3, or Cortex-M0+. Internally, each microcontroller consists of the processor core, static RAM memory, flash memory, debugging interface, and various peripherals.
EFM32 is a mixed-signal microcontroller focusing on supporting ultra low power battery operated solutions.〔(ARM Low Power Design )〕〔(Can ARM's Cortex-M3 processor save the planet? )〕 To run from small cell batteries, EFM32 MCUs incorporates low power peripheral technology, fast response time, low latency, and autonomous operation (i.e. the CPU does not run while the peripherals communicate).〔(EFM32 Technology )〕 The EFM32 microcontrollers are offered in various configurations.〔(EFM32 MCU products ) named "Zero Gecko", ""Tiny Gecko", "Gecko" ,"Leopard Gecko" and "Giant Gecko"〕
==Overview==
The central processing unit in EFM32 is based on either Cortex-M4F,〔(EFM32 ARM Cortex-M4F )〕 Cortex-M3,〔(EFM32 ARM Cortex-M3 )〕 or Cortex-M0〔(EFM32 ARM Cortex-M0+ )〕 processor core from ARM Holdings. EFM stands for Energy Friendly Microcontrollers and the number 32 indicates the 32-bit processor core.
EFM32 devices main areas are in the low power industrial and consumer battery powered applications.〔(Application Areas )〕 This typically consist of energy metering, alarms and security systems, consumer products, communication and computer networking systems, industrial sensors, and portable medical- and sport/fitness solutions.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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