ATXMEGA256A3B-AU
- Mfr.Part #
- ATXMEGA256A3B-AU
- Manufacturer
- Microchip Technology
- Package / Case
- 64-TQFP
- Datasheet
- Download
- Description
- IC MCU 8/16BIT 256KB FLSH 64TQFP
- Stock
- 1
- In Stock :
- 1
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Mount :
- Surface Mount
- Program Memory Type :
- Flash
- Package / Case :
- 64-TQFP
- Height Seated (Max) :
- 1.2mm
- Pbfree Code :
- yes
- Oscillator Type :
- Internal
- Number of Pins :
- 64
- Series :
- AVR® XMEGA® A3B
- Length :
- 14mm
- Frequency :
- 32MHz
- Published :
- 2010
- Peripherals :
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Data Converter :
- A/D 16x12b; D/A 2x12b
- Supply Voltage :
- 2.7V
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- DMA Channels :
- yes
- Operating Temperature :
- -40°C~85°C TA
- PWM Channels :
- yes
- JESD-609 Code :
- e3
- Supply Voltage-Max (Vsup) :
- 3.6V
- Number of Timers/Counters :
- 7
- Mounting Type :
- Surface Mount
- Data Bus Width :
- 8B
- Number of Terminations :
- 64
- Connectivity :
- I2C, IrDA, SPI, UART/USART
- Supplier Device Package :
- 64-TQFP (14x14)
- Core Processor :
- AVR
- Supply Voltage-Min (Vsup) :
- 1.6V
- Bit Size :
- 16
- Speed :
- 32MHz
- Interface :
- I2C, IrDA, SPI, UART, USART, USB
- Voltage - Supply (Vcc/Vdd) :
- 1.6V~3.6V
- Qualification Status :
- Not Qualified
- RoHS Status :
- ROHS3 Compliant
- Program Memory Size :
- 256KB 128K x 16
- Memory Size :
- 32kB
- Core Size :
- 8/16-Bit
- Terminal Position :
- QUAD
- Data Converters :
- A/D 16x12b; D/A 2x12b
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Number of I/O :
- 49
- Packaging :
- Tape and Reel (TR)
- Factory Lead Time :
- 10 Weeks
- Base Part Number :
- ATXMEGA256
- Watchdog Timer :
- yes
- Terminal Pitch :
- 0.8mm
- Peak Reflow Temperature (Cel) :
- 260
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- RAM Size :
- 16K x 8
- Product Status :
- Obsolete
- Has ADC :
- yes
- Time@Peak Reflow Temperature-Max (s) :
- 40
- DAC Channels :
- yes
- Contact Plating :
- Tin
- Base Product Number :
- ATXMEGA256
- Terminal Form :
- Gull wing
- EEPROM Size :
- 4K x 8
- Datasheets
- ATXMEGA256A3B-AU
ATXMEGA256A3B-AU Documents

Microcontrollers Microchip Technology ATXMEGA256A3B-AU Overview
The Microcontrollers Microchip Technology ATXMEGA256A3B-AU is an advanced microcontroller unit (MCU) designed for demanding applications that require a combination of low power consumption and high performance. This device integrates 256KB of flash memory and operates with an 8/16-bit architecture, making it highly efficient for a wide range of applications. Housed in a compact 64-TQFP package, the ATXMEGA256A3B-AU offers enhanced features such as high-speed computing capabilities, robust I/O options, and exceptional data management, making it a top choice for industry professionals looking to optimize their electronic systems.
ATXMEGA256A3B-AU Features
This MCU from Microchip Technology stands out with its dual architecture, supporting both 8-bit and 16-bit instructions, which allows for versatile programming and improved performance in complex tasks. The presence of 256KB flash memory accommodates substantial codebases and data storage without the need for external memory components. Its package, the 64-TQFP, provides ample pinouts for extensive peripheral connectivity, enhancing its utility in multifunctional setups.
ATXMEGA256A3B-AU Applications
- Industrial Automation: In automation systems, the ATXMEGA256A3B-AU can manage multiple sensors and actuators due to its numerous I/O ports and robust processing capabilities, streamlining complex manufacturing processes.
- Medical Devices: This MCU is ideal for medical applications where precision and reliability are crucial, such as in portable diagnostic equipment and monitoring devices, thanks to its high accuracy and low-power operation.
- Consumer Electronics: The ATXMEGA256A3B-AU is used in consumer electronics, such as smart home devices and personal gadgets, where efficiency and compactness are needed to enhance user experience and functionality.
- Automotive Systems: Its robust design and operational resilience make the ATXMEGA256A3B-AU suitable for automotive applications, including sensor management and on-board diagnostics to improve vehicle safety and performance.
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