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ATXMEGA256A3BU-MH Manufacturer: ATMEL (Microchip Technology)

#### Specifications:

• Core: 8/16-bit AVR XMEGA
• Flash Memory: 256KB
• SRAM: 16KB
• EEPROM: 4KB
• Max CPU Speed: 32MHz
• Operating Voltage: 1.6V - 3.6V
• I/O Pins: 50
• ADC Channels: 16 (12-bit resolution)
• DAC Channels: 2 (12-bit resolution)
• Timers:
• 4 × 16-bit Timers with PWM
• 1 × 32-bit Timer
• Communication Interfaces:
• USART (4)
• SPI (2)
• TWI (I²C) (2)
• USB 2.0 Full-Speed (with embedded PHY)
• Package: QFN-64 (7x7mm)
• Operating Temperature Range: -40°C to +85°C

#### Descriptions:

The ATXMEGA256A3BU-MH is a high-performance, low-power microcontroller from Atmel (now Microchip Technology) based on the AVR XMEGA architecture. It features a rich set of peripherals, including USB support, multiple communication interfaces, and advanced analog capabilities, making it suitable for embedded applications requiring high-speed processing and connectivity.

#### Features:

• High-Speed Processing: Up to 32MHz operation
• Low Power Consumption: Multiple sleep modes
• USB Interface: Built-in Full-Speed USB controller with embedded PHY
• Advanced Analog: 12-bit ADC and DAC
• DMA Controller: Supports peripheral data transfer without CPU intervention
• Event System: Allows peripherals to trigger actions without CPU involvement
• Hardware Security: AES and DES encryption support
• Robust Peripherals: Multiple timers, PWM, and communication interfaces

This microcontroller is designed for applications such as industrial control, consumer electronics, and USB-enabled devices.