ATXMEGA256A3U-AU
- Mfr.Part #
- ATXMEGA256A3U-AU
- Manufacturer
- Microchip Technology
- Package / Case
- 64-TQFP
- Datasheet
- Download
- Description
- IC MCU 8/16BIT 256KB FLSH 64TQFP
- Stock
- 28,597
- In Stock :
- 28,597
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Number of PWM Channels :
- 22
- JESD-30 Code :
- S-PQFP-G64
- Data Converter :
- A/D 16x12b; D/A 2x12b
- DMA Channels :
- yes
- Watchdog Timer :
- yes
- Pin Count :
- 64
- Supply Current-Max :
- 15 mA
- Terminal Position :
- QUAD
- Product Status :
- Active
- Supply Voltage :
- 3V
- Lead Free :
- Lead Free
- Program Memory Size :
- 256KB 128K x 16
- Number of I/O :
- 50
- Instruction Set Architecture :
- RISC
- EEPROM Size :
- 4K x 8
- Packaging :
- Tray
- Operating Temperature :
- -40°C~85°C TA
- Contact Plating :
- Tin
- Core Processor :
- AVR
- Number of Timers/Counters :
- 7
- Factory Lead Time :
- 7 Weeks
- Device Core :
- AVR
- Number of Terminations :
- 64
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Number of Pins :
- 64
- Number of USB Channels :
- 1
- Base Part Number :
- ATXMEGA256
- Supply Voltage-Max (Vsup) :
- 3.6V
- ROM (words) :
- 262144
- Seated Height-Max :
- 1.2 mm
- Number of ADC Channels :
- 16
- Manufacturer :
- Microchip
- Published :
- 2011
- Core Size :
- 8/16-Bit
- Package Type :
- TQFP
- Data Bus Width :
- 8B
- RoHS Status :
- ROHS3 Compliant
- Has ADC :
- yes
- Interfaces :
- SPI/TWI/USART/USB
- Brand :
- Microchip Technology / Atmel
- ROM Programmability :
- Flash
- Mounting Type :
- Surface Mount
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Number of I2C Channels :
- 2
- Reach Compliance Code :
- Compliant
- RAM Size :
- 16K x 8
- Product Type :
- 8-bit Microcontrollers - MCU
- Frequency :
- 32MHz
- Height :
- 1.05mm
- Power Supplies :
- 1.8/3.3 V
- Number of I/Os :
- 50 I/O
- Length :
- 14.1mm
- Base Product Number :
- ATXMEGA256
- Speed :
- 32MHz
- Pbfree Code :
- yes
- Data Converters :
- A/D 16x12b; D/A 2x12b
- Family Name :
- AVR XMEGA
- Surface Mount :
- yes
- Minimum Operating Temperature :
- -40 °C
- DAC Channels :
- yes
- RoHS :
- Details
- Product :
- MCU
- Mounting Style :
- SMD/SMT
- Product Category :
- 8-bit Microcontrollers - MCU
- Mount :
- Surface Mount
- PWM Channels :
- yes
- Terminal Pitch :
- 0.8mm
- Number of I/O Lines :
- 50
- Peripherals :
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Package :
- Tray
- Package Shape :
- Square
- Oscillator Type :
- Internal
- Supplier Device Package :
- 64-TQFP (14x14)
- REACH SVHC :
- No SVHC
- Typical Operating Supply Voltage :
- 1.6 → 3.6 V
- MSL :
- MSL 3 - 168 hours
- Tradename :
- XMEGA
- JESD-609 Code :
- e3
- Number of Terminals :
- 64
- Qualification Status :
- Not Qualified
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Memory Size :
- 256KB
- Interface :
- I2C, IrDA, SPI, UART, USART, USB
- Qualification :
- -
- CPU Family :
- AVR RISC
- Additional Feature :
- OPERATES AT 1.8 V MINIMUM SUPPLY AT 12 MHZ
- Peak Reflow Temperature (Cel) :
- 260
- Width :
- 14.1mm
- Program Memory Type :
- Flash
- Temperature Grade :
- Industrial
- Package / Case :
- 64-TQFP
- Number of SPI Channels :
- 10
- Bit Size :
- 16
- RAM (bytes) :
- 16384
- Maximum Operating Temperature :
- +85 °C
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Voltage - Supply (Vcc/Vdd) :
- 1.6V~3.6V
- Terminal Form :
- Gull wing
- Series :
- AVR® XMEGA® A3U
- Dimensions :
- 14.1 x 14.1 x 1.05mm
- Datasheets
- ATXMEGA256A3U-AU
ATXMEGA256A3U-AU Documents

Microcontrollers Microchip Technology ATXMEGA256A3U-AU Overview
The Microcontrollers Microchip Technology ATXMEGA256A3U-AU is a highly versatile 8/16-bit microcontroller from Microchip Technology, designed to deliver exceptional performance in a compact 64TQFP package. With its 256KB of flash memory, this MCU is engineered to support advanced applications that require substantial code space and data storage. The integration of high-performance peripherals, combined with low power consumption, makes it an ideal choice for developing sophisticated embedded systems. The ATXMEGA256A3U-AU's architecture is specifically optimized to facilitate rapid data processing and enhanced interface capabilities, which are crucial for a wide range of industrial, consumer, and communication applications.
ATXMEGA256A3U-AU Features
This microcontroller incorporates several key features that enhance its utility and efficiency in complex applications. It supports both 8-bit and 16-bit operation, allowing for flexible programming and optimization of performance versus power consumption. The device includes a variety of built-in peripherals such as digital I/O ports, analog-to-digital converters (ADCs), and serial communication modules, which reduce the need for additional components. Enhanced safety features like hardware-based security and a watchdog timer ensure reliable operation under varying conditions.
ATXMEGA256A3U-AU Applications
- Industrial Automation: In industrial settings, the ATXMEGA256A3U-AU drives complex machinery control systems, offering precise handling through its robust I/O capabilities and real-time performance.
- Medical Devices: Utilized in medical diagnostics equipment, this MCU processes signals and images swiftly, ensuring high accuracy and reliability for critical health care applications.
- Consumer Electronics: In consumer electronics like smart home devices, the ATXMEGA256A3U-AU facilitates enhanced connectivity and control features, improving user experience through high-speed data operations and interfacing.
- Automotive: Applied in automotive subsystems for sensor management and interface controls, this microcontroller enhances vehicle safety and functionality with its high integration and processing power.
- Communication Systems: The MCU is critical in communication infrastructure, enabling efficient data transmission and reception in systems such as wireless routers and modems.
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