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           Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > ATXMEGA256A3BU-MH

ATXMEGA256A3BU-MH

Part Number: ATXMEGA256A3BU-MH
Manufacturer: Microchip
Part Type: Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > ATXMEGA256A3BU-MH
Qty Available:
Description: MCU 8-bit/16-bit XMEGA AVR RISC 256KB Flash 1.8V/2.5V/3.3V 64-Pin VQFN EP

04/24/2026 – There are 515 pieces pieces of Part Number ATXMEGA256A3BU-MH Available.

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MCU 8-bit/16-bit XMEGA AVR RISC 256KB Flash 1.8V/2.5V/3.3V 64-Pin VQFN EP

Specifications

TYPE DESCRIPTION
Case/Package QFN
Mount Surface Mount
Number of Pins 64
Ambient Temperature Range High 105 °C
Core Architecture AVR
Data Bus Width 8 b
Frequency 32 MHz
Interface I2C, IrDA, SPI, UART, USART, USB
Max Frequency 32 MHz
Max Junction Temperature (Tj) 125 °C
Max Operating Temperature 85 °C
Max Supply Voltage 3.6 V
Memory Size 256 kB
Memory Type FLASH
Min Operating Temperature -40 °C
Min Supply Voltage 1.6 V
Number of A/D Converters 3
Number of ADC Channels 16
Number of I2C Channels 2
Number of I/Os 47
Number of Programmable I/O 50
Number of PWM Channels 8
Number of SPI Channels 3
Number of Timers/Counters 7
Number of UART Channels 6
Number of USB Channels 1
Oscillator Type Internal
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
RAM Size 16 kB
Schedule B 8542310000
Watchdog Timer Yes
Height 950 µm
Length 9.1 mm
Width 9.1 mm

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