
IC MCU 8/16BIT 256KB FLSH 64TQFP
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The Microchip Technology ATXMEGA256A3U-AU is a high-performance, low-power 8/16-bit AVR XMEGA microcontroller featuring 256KB of in-system self-programmable Flash, 16KB SRAM, and 4KB EEPROM. Housed in a 64-pin TQFP SMD package, this device excels in applications demanding precise control and rich peripheral integration. Its advanced architecture allows for deterministic interrupt handling and efficient code execution. The integrated 12-bit ADC and DAC, combined with multiple high-resolution PWM channels, make it ideal for motor control, industrial automation, and advanced sensor interfaces. Output voltage rating is 3.3V and maximum current rating is 20mA per I/O pin. Operating temperature range is –40°C to 85°C. The XMEGA’s peripheral DMA controller enables efficient data transfer between peripherals and memory, minimizing CPU load and improving system performance. Its robust feature set and low-power characteristics make it a compelling choice for battery-powered and energy-conscious designs.