ATXMEGA256A3B-MHR
- Mfr.Part #
- ATXMEGA256A3B-MHR
- Manufacturer
- Microchip Technology
- Package / Case
- 64-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8/16BIT 256KB FLASH 64QFN
- Stock
- 654
- In Stock :
- 654
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Product Type :
- 8-bit Microcontrollers - MCU
- Speed :
- 32 MHz
- Operating Temperature :
- -40°C~85°C TA
- JESD-30 Code :
- S-XQCC-N64
- Pbfree Code :
- yes
- Terminal Pitch :
- 0.5mm
- Number of Pins :
- 64
- Manufacturer :
- Microchip
- Subcategory :
- Microcontrollers - MCU
- Data Converters :
- A/D 16x12b; D/A 2x12b
- Oscillator Type :
- Internal
- DAC Channels :
- yes
- Number of I/O :
- 49
- Terminal Form :
- NO LEAD
- Published :
- 2010
- Width :
- 9 mm
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- RoHS :
- Details
- Tradename :
- XMEGA
- Mounting Type :
- Surface Mount
- Seated Height-Max :
- 1 mm
- Qualification Status :
- Not Qualified
- Supply Voltage-Min (Vsup) :
- 1.6V
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- RAM Size :
- 16K x 8
- ROM Programmability :
- Flash
- Voltage - Supply (Vcc/Vdd) :
- 1.6V~3.6V
- Memory Size :
- 14kB
- Product Status :
- Active
- Brand :
- Microchip Technology
- Terminal Position :
- QUAD
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Base Part Number :
- ATXMEGA256
- Package Shape :
- Square
- Data Converter :
- A/D 16x12b; D/A 2x12b
- Base Product Number :
- ATXMEGA256
- Number of Terminations :
- 64
- DMA Channels :
- yes
- Number of Timers/Counters :
- 7
- Peripherals :
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Length :
- 9mm
- Product :
- MCU
- Supply Voltage-Max (Vsup) :
- 3.6V
- EEPROM Size :
- 4K x 8
- Terminal Finish :
- NICKEL PALLADIUM GOLD
- Factory Lead Time :
- 7 Weeks
- Bit Size :
- 16
- Core Processor :
- AVR
- Number of I/Os :
- 49 I/O
- Height Seated (Max) :
- 1mm
- Product Category :
- 8-bit Microcontrollers - MCU
- JESD-609 Code :
- e4
- Mount :
- Surface Mount
- Surface Mount :
- yes
- PWM Channels :
- yes
- Has ADC :
- yes
- Mounting Style :
- SMD/SMT
- Temperature Grade :
- Industrial
- Program Memory Size :
- 256KB 128K x 16
- Maximum Operating Temperature :
- + 85 C
- Core Size :
- 8/16-Bit
- Minimum Operating Temperature :
- - 40 C
- Number of Terminals :
- 64
- Supplier Device Package :
- 64-QFN (9x9)
- Peak Reflow Temperature (Cel) :
- 260
- Supply Voltage :
- 2.7V
- Data Bus Width :
- 8B
- Package / Case :
- 64-VFQFN Exposed Pad
- Reach Compliance Code :
- Compliant
- Packaging :
- Tape and Reel (TR)
- Connectivity :
- I2C, IrDA, SPI, UART/USART
- Frequency :
- 20MHz
- Number of I/O Lines :
- 49
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Interface :
- I2C, IrDA, SPI, UART, USART
- Series :
- AVR® XMEGA® A3B
- Program Memory Type :
- Flash
- RoHS Status :
- ROHS3 Compliant
- Datasheets
- ATXMEGA256A3B-MHR
ATXMEGA256A3B-MHR Documents

Microcontrollers Microchip Technology ATXMEGA256A3B-MHR Overview
The Microcontrollers Microchip Technology ATXMEGA256A3B-MHR is a high-performance, low-power 8/16-bit microcontroller designed by Microchip Technology, renowned for its robustness and versatility in various applications. This MCU stands out with its substantial 256KB of flash memory, housed in a compact 64QFN package, making it ideal for sophisticated applications that require space efficiency combined with substantial code storage. The integration of advanced features tailored for real-time performance and power efficiency makes this microcontroller a top choice for developers aiming to enhance their systems with reliable and powerful computing capabilities.
ATXMEGA256A3B-MHR Features
This MCU features an 8/16-bit dual architecture that ensures smooth and efficient handling of tasks at varying complexity levels. The 256KB of flash memory is perfect for extensive applications, and its design in a 64QFN package provides a minimal footprint for space-sensitive projects. Additional features include versatile peripherals, multiple communication interfaces, and high-level security options, all of which contribute to its functionality and adaptability in demanding environments.
ATXMEGA256A3B-MHR Applications
- Industrial Automation: Applied in control systems where precision and efficiency are required, facilitating advanced process management and data handling capabilities.
- Smart Energy Solutions: Utilized in smart grids and energy monitoring systems to enhance efficiency and reliability in power distribution and consumption analysis.
- Consumer Electronics: Integrated into home automation systems and gadgets, offering seamless and effective operation, enhancing user interaction and device connectivity.
- Medical Devices: Essential in the development of medical monitoring equipment where accuracy and real-time data processing are crucial for patient care and diagnostics.
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