The ATXMEGA16A4-AU is a high-performance, low-power 8/16-bit AVR XMEGA microcontroller from Microchip (formerly Atmel). It incorporates advanced RISC architecture, combining 16KB of in-system self-programmable Flash memory, 2KB SRAM, 512B EEPROM, and a wide range of peripherals. This microcontroller is designed for applications requiring substantial processing power, efficient memory management, and versatile connectivity options.

Applications

• Embedded control systems
• Industrial automation
• Consumer electronics
• Medical devices
• Motor control
• Power management
• Smart sensors
• Home automation

Features

• High-performance 8/16-bit AVR XMEGA microcontroller
• 16KB In-System Self-Programmable Flash
• 2KB SRAM
• 512B EEPROM
• Four 16-bit Timer/Counters with PWM
• Four USARTs
• Two Two-Wire Interfaces (TWI) with master/slave support
• One high-speed 12-bit ADC with up to 20 single-ended channels
• One 12-bit DAC
• Real-Time Counter (RTC) with calendar function
• AES and DES Crypto Engine
• DMA Controller
• Event System
• QTouch capacitive touch sensing support
• Operating Voltage: 1.6V - 3.6V
• Package: 64-pin TQFP

Benefits

• High processing power: Enables complex algorithms and real-time control.
• Low power consumption: Suitable for battery-powered applications.
• Flexible memory options: Provides ample storage for code and data.
• Versatile peripherals: Supports a wide range of communication and control interfaces.
• Integrated crypto engine: Enhances security for sensitive applications.
• QTouch support: Facilitates implementation of capacitive touch interfaces.

Additional Details

The ATXMEGA16A4-AU operates at a maximum frequency of 32MHz. It incorporates a robust set of peripherals, including timers, communication interfaces (UART, SPI, I2C), and analog-to-digital converters (ADCs). The integrated DMA controller enables efficient data transfer between peripherals and memory, minimizing CPU overhead. Its event system allows peripherals to communicate directly without CPU intervention, further reducing latency and power consumption. The device is typically used in applications requiring a balance of processing power, low power consumption, and versatile connectivity.