ATXMEGA256A3BU Description Low power, high performance 8/16-bit AVR microcontroller featuring 256KB self-programming flash program memory, 8KB boot code section, 16KB SRAM, 4096-Byte EEPROM, 4-channel DMA controller, 8-channel event system. It also includes dual 12-bit ADC, 2 12-bit DAC channels, 4 analog comparators, AES and DES crypto engines, 7 16-bit timer/counters, 6 USART, 2 SPI, and 2 TWIs, RTC battery backup system, 4-channel DMA controller, and 8-channel event system. The device can be used in a wide range of applications, such as building, industrial, motor, board, and climate control; hand-held battery applications; factory automation; power tools; HVAC; networking, metering, large home appliances, and optical and medical devices. This ATxmega series features 64-pin packages. Features - Program Memory Type: Flash - Program Memory Size (KB): 256 - CPU Speed (MIPS/DMIPS): 32 - SRAM (KB): 16 - Data EEPROM/HEF (bytes): 4096 - Digital Communication Peripherals: 6-UART, 8-SPI, 2-I2C - Capture/Compare/PWM Peripherals: 22 Input Capture, 22 CCP, 22 PWM - Number of Comparators: 4 - Number of USB Modules: 1, None - Temperature Range (°C): -40 to 85 - Operating Voltage Range (V): 1.6 to 3.6 - Pin Count: 64 - Low Power: Yes https://elecena.pl/product/9695653/atxmega256a3bu-au-8-16-bit-atmega-avr-microcontroller-256-kb-32-mhz-tqfp-64 2017-08-05 https://elecena.pl/product/9695653/atxmega256a3bu-au-8-16-bit-atmega-avr-microcontroller-256-kb-32-mhz-tqfp-64 2018-03-28 https://elecena.pl/product/9695653/atxmega256a3bu-au-8-16-bit-atmega-avr-microcontroller-256-kb-32-mhz-tqfp-64 2018-05-05 https://elecena.pl/product/9695653/atxmega256a3bu-au-8-16-bit-atmega-avr-microcontroller-256-kb-32-mhz-tqfp-64 2018-12-16 https://elecena.pl/product/9695653/atxmega256a3bu-au-8-16-bit-atmega-avr-microcontroller-256-kb-32-mhz-tqfp-64 2019-04-01 https://elecena.pl/product/9695653/atxmega256a3bu-au-8-16-bit-atmega-avr-microcontroller-256-kb-32-mhz-tqfp-64 2021-05-06 https://elecena.pl/product/9695653/atxmega256a3bu-au-8-16-bit-atmega-avr-microcontroller-256-kb-32-mhz-tqfp-64 2022-06-08 https://elecena.pl/product/9695653/atxmega256a3bu-au-8-16-bit-atmega-avr-microcontroller-256-kb-32-mhz-tqfp-64 2022-12-13 https://elecena.pl/product/9695653/atxmega256a3bu-au-8-16-bit-atmega-avr-microcontroller-256-kb-32-mhz-tqfp-64 2023-02-02 https://elecena.pl/product/9695653/atxmega256a3bu-au-8-16-bit-atmega-avr-microcontroller-256-kb-32-mhz-tqfp-64 2023-04-01 https://elecena.pl/product/9695653/atxmega256a3bu-au-8-16-bit-atmega-avr-microcontroller-256-kb-32-mhz-tqfp-64 2023-08-27 https://elecena.pl/product/9695653/atxmega256a3bu-au-8-16-bit-atmega-avr-microcontroller-256-kb-32-mhz-tqfp-64 2025-09-17 https://elecena.pl/product/9695653/atxmega256a3bu-au-8-16-bit-atmega-avr-microcontroller-256-kb-32-mhz-tqfp-64 2025-10-18 https://elecena.pl/product/9695653/atxmega256a3bu-au-8-16-bit-atmega-avr-microcontroller-256-kb-32-mhz-tqfp-64 2025-12-24