ATXMEGA256A3BU-MHR
- Mfr.Part #
- ATXMEGA256A3BU-MHR
- Manufacturer
- Microchip Technology
- Package / Case
- 64-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8/16BIT 256KB FLASH 64QFN
- Stock
- 5,260
- In Stock :
- 5,260
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Terminal Pitch :
- 0.5mm
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Factory Lead Time :
- 7 Weeks
- EEPROM Size :
- 4K x 8
- Number of I/O :
- 47
- Interface :
- I2C, IrDA, SPI, UART, USART, USB
- ROM (words) :
- 131072
- Has ADC :
- yes
- RoHS :
- N
- Seated Height-Max :
- 1 mm
- Frequency :
- 32MHz
- Surface Mount :
- yes
- RAM (bytes) :
- 16384
- DMA Channels :
- yes
- DAC Channels :
- yes
- Data Bus Width :
- 8 bit/16 bit
- Temperature Grade :
- Industrial
- Supply Current-Max :
- 15 mA
- Terminal Form :
- NO LEAD
- Tradename :
- XMEGA
- Speed :
- 32MHz
- Power Supplies :
- 1.8/3.3V
- Number of I/Os :
- 47 I/O
- Supply Voltage :
- 3V
- Manufacturer :
- Microchip
- CPU Family :
- AVR RISC
- Number of Terminals :
- 64
- Qualification Status :
- Not Qualified
- Length :
- 9mm
- Oscillator Type :
- Internal
- Memory Size :
- 256KB
- Base Part Number :
- ATXMEGA256
- Terminal Position :
- QUAD
- RAM Size :
- 16K x 8
- Product Type :
- 8-bit Microcontrollers - MCU
- Mounting Type :
- Surface Mount
- Package Shape :
- Square
- Number of I/O Lines :
- 47
- Height Seated (Max) :
- 1mm
- Brand :
- Microchip Technology / Atmel
- Program Memory Type :
- Flash
- Width :
- 9mm
- Operating Temperature :
- -40°C~85°C TA
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Product Category :
- 8-bit Microcontrollers - MCU
- Data Converters :
- A/D 16x12b; D/A 2x12b
- Minimum Operating Temperature :
- - 40 C
- Supply Voltage-Max (Vsup) :
- 3.6V
- Product Status :
- Active
- Mount :
- Surface Mount
- PWM Channels :
- yes
- Bit Size :
- 16
- Number of Timers/Counters :
- 7
- Pbfree Code :
- yes
- Mounting Style :
- SMD/SMT
- Core Size :
- 8/16-Bit
- Number of Pins :
- 64
- Supplier Device Package :
- 64-QFN (9x9)
- Additional Feature :
- IT ALSO OPERATES IN 12 MHZ AT 1.6V MIN
- Package / Case :
- 64-VFQFN Exposed Pad
- Base Product Number :
- ATXMEGA256
- RoHS Status :
- ROHS3 Compliant
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Series :
- AVR® XMEGA® A3BU
- Core Processor :
- AVR
- Reach Compliance Code :
- Compliant
- Maximum Operating Temperature :
- + 85 C
- Packaging :
- Tape and Reel (TR)
- Data Converter :
- A/D 16x12b; D/A 2x12b
- Voltage - Supply (Vcc/Vdd) :
- 1.6V~3.6V
- JESD-30 Code :
- S-XQCC-N64
- Program Memory Size :
- 256KB 128K x 16
- Published :
- 2012
- Peripherals :
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of Terminations :
- 64
- ROM Programmability :
- Flash
- Datasheets
- ATXMEGA256A3BU-MHR
ATXMEGA256A3BU-MHR Documents

Microcontrollers Microchip Technology ATXMEGA256A3BU-MHR Overview
The ATXMEGA256A3BU-MHR by Microchip Technology is a sophisticated microcontroller designed to offer a powerful blend of 8/16-bit processing capabilities, extensive memory, and high-speed performance. Crafted to serve demanding applications, this MCU is built on a highly efficient architecture that provides 256KB of flash memory, housed in a compact 64QFN package. The Microcontrollers Microchip Technology ATXMEGA256A3BU-MHR is perfect for developers looking to harness robust performance for complex digital computing tasks.
ATXMEGA256A3BU-MHR Features
This microcontroller comes equipped with advanced features that enhance its efficiency and usability in various applications:
- 8/16-bit high-performance AVR microcontroller
- 256KB of in-system programmable flash
- Low power consumption modes for energy efficiency
- Extensive range of peripherals including USART, SPI, and I2C
- High resolution analog to digital converter (ADC)
- 64-pin QFN package, optimal for space-sensitive applications
ATXMEGA256A3BU-MHR Applications
- Industrial Automation: Enables sophisticated control systems due to its high computing power and extensive I/O capabilities.
- Medical Devices: Utilized in medical monitoring systems requiring high accuracy and data integrity provided by its ADC and large memory.
- Consumer Electronics: Forms the core processing unit in devices like smart watches and gaming peripherals, where compact size and processing power are critical.
- Automotive: Suitable for automotive applications requiring robust operation in harsh environments, thanks to its durable design and comprehensive feature set.
- Internet of Things (IoT): Acts as the smart connection hub in IoT devices, facilitating efficient data handling and connectivity.
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