The ATXMEGA64A3 is a high-performance, low-power 8/16-bit AVR XMEGA microcontroller from Atmel (now Microchip Technology). It features a rich set of peripherals, making it suitable for a wide variety of applications requiring advanced control and communication capabilities. The XMEGA family is designed to deliver high performance with minimal power consumption.

Applications

• Industrial control systems
• Building automation
• Medical devices
• Consumer electronics
• Automotive applications

Features

• 64KB Flash Memory
• 4KB SRAM
• 2KB EEPROM
• 12-bit ADC with differential input
• 12-bit DAC
• Real-Time Counter (RTC)
• DMA Controller
• AES and DES Crypto Engine
• Multiple USART, SPI, and I2C interfaces

Benefits

• High performance enables complex algorithms and fast response times
• Low power consumption extends battery life in portable applications
• Extensive peripheral set reduces external component count
• DMA controller offloads data transfer tasks from the CPU
• Crypto engine provides hardware-accelerated encryption and decryption
• Flexible clock system allows for optimizing power consumption and performance

Additional Details

The ATXMEGA64A3 microcontroller is designed for applications that require advanced functionality and low power consumption. The integrated 12-bit ADC with differential input allows for high-precision analog measurements, while the 12-bit DAC enables precise analog output. The DMA controller allows for direct data transfer between peripherals and memory without CPU intervention, improving system performance. The AES and DES crypto engine provides hardware-accelerated encryption and decryption, enhancing security in applications that require data protection. The device also features multiple USART, SPI, and I2C interfaces, enabling easy communication with other devices.

Because this part is listed as END-OF-LIFE, consider this when specifying it into new designs, as its long-term availability is uncertain.