CPU Core


Proven Technologies. Rich Innovation. A Perfect Fit for Your Application.

Atmel® deliver processor technologies that is ideal for today’s advanced applications. Building on decades of experience and industry leadership, the Atmel uses a selection of proven architectures optimized for low power, high-speed connectivity, and rich interface support. In addition to proprietary processors, Atmel is a longtime partner with ARM® and an early adopter of the latest Cortex technologies.


Atmel Microcontrollers


Atmel AVR® 8- and 32-bit microcontrollers deliver a unique combination of performance, power efficiency, and design flexibility. Optimized to speed time to market, and easily adapt to new ones, they are based on the industry’s most code-efficient architecture for C and assembly programming. The extensive AVR portfolio makes it easy to reuse knowledge when improving your products and expanding to new markets. Learn More

ARM-Based Solutions

Atmel offers a wide range of industry-leading ARM-based Flash microcontrollers and microprocessor solutions including the latest Cortex-M0+, Cortex-M7 and Cortex-A5. This broad portfolio of 32-bit ARM® solutions can meet the needs of virtually any device or marketplace. Flexible and highly integrated, Atmel ARM-based solutions are designed to optimize system control, wired and wireless connectivity, user interface management, low power, and ease of use. Learn More

8051-Based Solutions

The rich Atmel portfolio of microcontrollers based on the 8051 instruction set combines proven technology with the latest features and functionality. Developers can choose from 8-bit microcontrollers based on the powerful, low-power Single-Cycle AT89LP core, as well as MCS-51® industry standard socket drop-in devices—all featuring advanced Flash technologies.  Learn More

MCU Wireless Solutions

To support today's increasingly connected applications, Atmel offers a complete line of IEEE 802.15.4-compliant and ZigBee® certified wireless solutions. They are based on the rich Atmel family of RF transceivers, AVR and ARM microcontrollers, as well as single chip wireless microcontrollers. Learn More