ATXMEGA256A3BU-MHR More Semiconductors - ICs by Microchip Technology

Status: Active
Series: ATxmega256A3BU
RoHS: Compliant
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Low-power, high-performance 8/16-bit AVR® microcontroller featuring 256 KB self-programming Flash program memory, 8 KB boot code section, 16 KB SRAM, 4 KB EEPROM, 4-channel DMA controller, 8-channel event system. It also includes dual 12-bit ADC, two 12-bit DAC channels, four analog comparators, AES and DES crypto engines, seven 16-bit timer/counters, six USARTs, two SPIs, and two TWIs, RTC battery backup system, 4-channel DMA controller, and 8-channel event system.

The device can be used in a wide range of applications, such as building, industrial, motor, board, and climate control; hand-held battery applications; factory automation; power tools; HVAC; networking, metering, large home appliances, and optical and medical devices. This ATxmega series features 64-pin packages.

Prices starting from US$6.58


Distributor Starting From Stock
Logo for Microchip Technology Microchip Technology US$6.58
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Logo for Newark Electronics Newark Electronics US$7.74
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Logo for Future Electronics Future Electronics US$7.44
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Logo for Avnet America Avnet America US$9.04
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Specifications

Program Memory Type Flash
Program Memory Size (KB) 256
CPU Speed (MIPS/DMIPS) 32
Data EEPROM (bytes) 4096
Capture/Compare/PWM (CCP) 22
Max 8 Bit Digital Timers 0
Number of ADCs 0
ADC Channels 16
Max ADC Resolution (bits) 12
Number of Comparators 4
Temp. Range Min. -40
Temp. Range Max. 85
Operation Voltage Max.(V) 3.6
Operation Voltage Min.(V) 1.6
Pin Count 64
Low Power Yes
Pins | Packaging 64 | VQFN
Temp Range -40C to +85C
Packing Media Tape and reel (4000)

Resources


Application Notes
AN_8456 - AVR127: Understanding ADC parameters
AN_1619 - AVR040: EMC Design Considerations
AN_1493 - AVR072: Accessing 16-bit I/O Registers
AN_42008 - AVR1610: Guide to IEC 60730 Class B Compliance with XMEGA
AN2681 - AVR4900: ASF - USB Device Stack
AN_8429 - AVR1916: USB DFU Boot Loader for XMEGA
AN_42456 - AT11487: Low Power Consumption Techniques for XMEGA XPLAINED Kit
AN_8242 - AVR1605: XMEGA Boot Loader Quick Start Guide
AN2665 - Interfacing AVR Microcontrollers with Serial memories
AN_42055 - AT1886: Mixing Assembly and C with AVRGCC
AN_8383 - AVR1617: Frequency Measurement with AVR XMEGA Family Devices
AN_8282 - AVR1612: PDI programming driver
AN2535 - AVR1300: Using the XMEGA ADC
AN_1051 - AVR180: External Brown-Out Protection
AN_7645 - AVR153: USB PC Drivers Based on Generic HID Class
AN_8267 - AVR1010: Minimizing the power consumption of XMEGA devices
AN_8070 - AVR1316: Using the XMEGA Self-programming
AN_8109 - AVR1600: Using the XMEGA Quadrature Decoder
AN_8281 - AVR1320: True 400 kHz operation for TWI slave
AN_8075 - AVR1000: Getting Started Writing C-code for XMEGA
AN_8071 - AVR1001: Getting Started With the XMEGA Event System
AN_8072 - AVR1003: Using the XMEGA Clock System
AN_8033 - AVR1301: Using the XMEGA DAC
AN_8041 - AVR1302: Using the XMEGA Analog Comparator
AN_8104 - AVR1303: Using the XMEGA IR communication module
AN_8128 - AVR186: Best practices for the PCB layout of Oscillators
AN2654 - AVR1310: Using the XMEGA Watchdog Timer
AN_8076 - AVR1311: Using the XMEGA Timer/Counter Extensions
AN_8066 - AVR1315: Using the XMEGA EEPROM
AN_8105 - AVR1317: Using the XMEGA built-in DES accelerator
AN_8106 - AVR1318: Using the XMEGA built-in AES accelerator
AN2777 - AN2777: XMEGA ADC Oversampling
AN_8457 - AVR4023: FLIP USB DFU Protocol
AN_8481 - AVR4901: ASF - USB Vendor Class Application
AN_8499 - AVR4905: ASF - USB Device HID Generic
AN_8278 - AVR1012: XMEGA A Schematic Checklist
AN_2559 - AVR120: Characterization and Calibration of the ADC on an AVR
AN_42061 - AVR1636: Configurable PMSM Sensorless Field Oriented Control using the XMEGA
AN_8453 - AVR4027: Tips and Tricks to Optimize Your C Code for 8-bit AVR Microcontrollers
AN_42624 - AVR1623: XMEGA Smart Card Reader
AN_8378 - AVR1324: XMEGA ADC Selection Guide
AN_8388 - AVR1017: XMEGA - USB Hardware Design Recommendations
AN_8431 - AVR4029: Software Framework - Getting Started
AN_8432 - AVR4030: AVR Software Framework - Reference Manual
AN_8435 - AVR1327: Two Wire Interface (TWI) Slave Bootloader for AVR XMEGA
AN_32194 - AVR116: Wear Leveling on DataFlash
AN_42336 - AT09331: ASF USB Stack Manual
AN_8046 - AVR1304: Using the XMEGA DMA Controller
AN_8043 - AVR1305: using the XMEGA Interrupts and the Programmable Multi-level Interrupt Controller
AN_8045 - AVR1306: Using the XMEGA Timer/Counter
AN_8049 - AVR1307: Using the XMEGA USART
AN_8054 - AVR1308: Using the XMEGA TWI
AN_8057 - AVR1309: Using the XMEGA SPI
AN_8050 - AVR1313: Using the XMEGA IO Pins and External Interrupts
AN_8047 - AVR1314: Using the XMEGA Real Time Counter
AN_8307 - AVR1321: Using the AVR XMEGA 32-bit Real Time Counter and Battery Backup System
AN2648 - Selecting and Testing 32 KHz Crystal Oscillators for AVR Microcontrollers
AN2468 - Production Programming of Microchip AVR and SAM Microcontrollers
AN_42787 - AVR42787: AVR Software User Guide
AN_2526 - AVR101: High Endurance EEPROM Storage
AN_42788 - AVR42788: SD Card Bootloader for XMEGA A1U
AN2559 - Smart IoT Wireless Sensor Node using XMEGA® AU MCU and LoRa Technology
AN2644 - XMEGA Internal RC Oscillator Calibration

Board Design Files
XMEGA A3B IBIS Model

Legacy Collaterals
AN_42344 - AT09339: USB Host Interface (UHI) for Mass Storage Class (MSC)
AN_42346 - AT09341: USB Host Interface (UHI) for Vendor Class Device
AN_42338 - AT09333: USB Host Interface (UHI) for Communication Class Device (CDC)
AN_42342 - AT09337: USB Host Interface (UHI) for Human Interface Device Mouse (HID Mouse)
AN_42337 - AT09332: USB Device Interface (UDI) for Communication Class Device (CDC)
AN_42345 - AT09340: USB Device Interface (UDI) for Vendor Class Device
AN_42339 - AT09334: USB Device Interface (UDI) for Human Interface Device Generic (HID Generic)
AN_42370 - AT08569: Optimizing ASF Code Size to Minimize Flash and RAM Usage
AN_42341 - AT09336: USB Device Interface (UDI) for Human Interface Device Mouse (HID Mouse)
AN_42343 - AT09338: USB Device Interface (UDI) for Mass Storage Class (MSC)
AN_42340 - AT09335: USB Device Interface (UDI) for Human Interface Device Keyboard (HID Keyboard)
Microprocessor or Microcontroller



Environmental Information

JEDEC Indicator e4
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.2362
Shipping Weight (kg) 0.3725
Lead Count 64
Package Type VQFN
Package Width or Size 9x9x1mm
Soldering Composition NiPdAu

Alternative Descriptions

64QFN, 85C, GREEN,1.6-3.6V, Tape&Reel | Microchip Technology
64Qfn, 85C, Green,1.6-3.6V, Tape&reel 64 Vqfn 9X9X1Mm T/R Rohs Compliant: Yes |Microchip ATXMEGA256A3BU-MHR | Newark Electronics
64QFN, 85C, GREEN,1.6-3.6V, TapeReel | Future Electronics
8 Bit MCU, AVR ATxmega Family ATxmega A Series Microcontrollers, AVR, 32 MHz, 256 KB, 64 Pins | Avnet America
MICROCONTROLLERS (MCU) - 8 BIT | Farnell


Frequently Asked Questions

Where can I find additional details, specifications and documents for a ATXMEGA256A3BU-MHR?

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The ATXMEGA256A3BU-MHR is listed under Semiconductors - ICs > More Semiconductors - ICs.

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Is the ATXMEGA256A3BU-MHR RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

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