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8051 MCU Support

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Intelligence and Control for Demanding Environments

Whether you are designing large, complex electronic systems or smaller, independent applications, we offer a wide range of cost-effective, top quality products with fully functional design kits for convenience, safety and body control electronics.

Atmel AVR microcontrollers deliver the power, performance, and flexibility you need to support a wide range of automotive applications. Small yet powerful, our wide range of advanced 8-bit AVR microcontrollers deliver the technical features, advanced architecture, and dependable design that’s right for your application.

We stand out from our competitors by adding functionality and high temperature capability to our chip designs. Complete system-in-package (SIP) solutions integrate components such as an AVR microcontroller, LIN and CAN interfaces, voltage regulator, watchdog, floating point unit (FPU), FlashVault™ code protection, and high-speed Ethernet and USB with OTG connectivity in one cost-effective package. Our highly integrated designs can reduce your system costs by up to 60 percent and save you time in development, integration, and prototyping.

Key Features

  • High performance — Executing powerful instructions in a single clock cycle, Atmel’s 8-bit Automotive AVR microcontrollers achieve throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.
  • Code protection — Atmel FlashVault lets you partially program and lock flash memory for secure on-chip storage. Code stored in FlashVault will execute as normal, but cannot be read, copied or debugged. It can carry software such as math libraries or encryption algorithms to potentially untrustworthy environments where the rest of the source code can be developed and debugged.
  • Built-in voltage protection — The on-chip voltage regulator with short-circuit monitoring interface featured in several 8-bit microcontrollers ensures reliable operation and extends the useful life of the device and the product it controls.
  • Impressive power efficiency — Thanks to more than a decade of research, Atmel picoPower technology reduces microcontroller power usage in both sleep and active mode to achieve the industry’s lowest power consumption numbers.


Device Family Summary Benefit Applications Technologies Key Parameters
High performance

Code protection

Built-in voltage protection

Impressive power efficiency
Automotive convenience, safety and body control electronics
AVR Microcontrollers
AVR Microcontroller



Voltage regulator