ATXMEGA256A3U-MHR
- Mfr.Part #
- ATXMEGA256A3U-MHR
- Manufacturer
- Microchip Technology
- Package / Case
- 64-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8/16BIT 256KB FLASH 64QFN
- Stock
- 6,727
- In Stock :
- 6,727
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- ROM (words) :
- 131072
- Mount :
- Surface Mount
- Product Category :
- 8-bit Microcontrollers - MCU
- Program Memory Type :
- Flash
- Operating Temperature :
- -40°C~85°C TA
- Program Memory Size :
- 256KB 128K x 16
- Number of Terminals :
- 64
- Seated Height-Max :
- 1 mm
- Supplier Device Package :
- 64-QFN (9x9)
- Series :
- AVR® XMEGA® A3U
- Interfaces :
- SPI/TWI/USART/USB
- Supply Voltage :
- 3V
- Voltage - Supply (Vcc/Vdd) :
- 1.6V~3.6V
- Power Supplies :
- 1.8/3.3V
- Temperature Grade :
- Industrial
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- DAC Channels :
- yes
- Oscillator Type :
- Internal
- ROM Programmability :
- Flash
- Data Converters :
- A/D 16x12b; D/A 2x12b
- Pbfree Code :
- yes
- Supply Current-Max :
- 15mA
- Device Core :
- AVR
- Supply Voltage-Max (Vsup) :
- 3.6V
- Manufacturer :
- Microchip
- Mounting Type :
- Surface Mount
- REACH SVHC :
- No SVHC
- JESD-30 Code :
- S-XQCC-N64
- Product Status :
- Active
- RAM (bytes) :
- 16384
- Core Processor :
- AVR
- Number of I/O :
- 50
- Package Shape :
- Square
- Number of Timers/Counters :
- 7
- Length :
- 9mm
- Number of Terminations :
- 64
- MSL :
- MSL 3 - 168 hours
- RoHS :
- Details
- Data Converter :
- A/D 16x12b; D/A 2x12b
- Has ADC :
- yes
- Brand :
- Microchip Technology
- Frequency :
- 32MHz
- Peripherals :
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Width :
- 9 mm
- Published :
- 2012
- RAM Size :
- 16K x 8
- Memory Size :
- 256KB
- Packaging :
- Cut Tape (CT)
- Core Size :
- 8/16-Bit
- Terminal Pitch :
- 0.5mm
- Base Product Number :
- ATXMEGA256
- Maximum Operating Temperature :
- + 85 C
- Package / Case :
- 64-VFQFN Exposed Pad
- Height Seated (Max) :
- 1mm
- Bit Size :
- 16
- Data Bus Width :
- 8B
- Qualification Status :
- Not Qualified
- Qualification :
- -
- Number of I/O Lines :
- 50
- CPU Family :
- AVR RISC
- DMA Channels :
- yes
- Product Type :
- 8-bit Microcontrollers - MCU
- Mounting Style :
- SMD/SMT
- EEPROM Size :
- 4K x 8
- Surface Mount :
- yes
- Watchdog Timer :
- yes
- Tradename :
- XMEGA
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Terminal Form :
- NO LEAD
- RoHS Status :
- ROHS3 Compliant
- Terminal Position :
- QUAD
- Minimum Operating Temperature :
- - 40 C
- Number of Pins :
- 64
- Additional Feature :
- ALSO OPERATES 1.6 V AT 12 MHZ
- Factory Lead Time :
- 7 Weeks
- Base Part Number :
- ATXMEGA256
- Supply Voltage-Min (Vsup) :
- 2.6V
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Speed :
- 32MHz
- PWM Channels :
- yes
- Interface :
- I2C, IrDA, SPI, UART, USART, USB
- Reach Compliance Code :
- Compliant
- Datasheets
- ATXMEGA256A3U-MHR
ATXMEGA256A3U-MHR Documents

Microcontrollers Microchip Technology ATXMEGA256A3U-MHR Overview
The Microcontrollers Microchip Technology ATXMEGA256A3U-MHR is an advanced 8/16-bit microcontroller that offers a seamless blend of performance and energy efficiency. Designed by Microchip Technology, this MCU features a robust 256KB of in-system programmable flash and operates on a high-performance, low-power AVR architecture. The compact 64QFN package makes it ideal for sophisticated embedded applications where space and power are at a premium. This microcontroller is specifically tailored to meet the demanding needs of developers requiring multifaceted integration in industries such as automotive, consumer electronics, and industrial automation.
ATXMEGA256A3U-MHR Features
- Dual functionality with 8/16-bit processing capabilities for versatile application scenarios.
- 256KB of in-system programmable flash, enabling significant code or data storage.
- Low power consumption with high-performance AVR architecture, ensuring optimal efficiency.
- Small form factor with a 64QFN package, suitable for space-constrained applications.
ATXMEGA256A3U-MHR Applications
- Automotive Systems: Utilized in dashboard electronics and advanced driver-assistance systems (ADAS), providing reliable processing power for real-time vehicle monitoring and control.
- Consumer Electronics: Powers a variety of household gadgets and wearable technologies, offering robust operation with extended battery life.
- Industrial Automation: Integrated into machinery control systems, enabling enhanced process control and automation capabilities with its high-speed processing.
- Medical Devices: Used in portable medical diagnostics and monitoring equipment, ensuring precise and reliable operation crucial for patient care.
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