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ATXMEGA256A3BU-MHR

ATXMEGA256A3BU-MHR

ATXMEGA256A3BU-MHR

Microchip Technology

256KB 128K x 16 FLASH AVR 8/16-Bit Microcontroller AVR® XMEGA® A3BU Series ATXMEGA256 64 Pin 32MHz 3V 64-VFQFN Exposed Pad

SOT-23

ATXMEGA256A3BU-MHR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 7 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 64-VFQFN Exposed Pad
Surface MountYES
Number of Pins 64
Supplier Device Package 64-QFN (9x9)
Number of Terminals 64
Mounting Style SMD/SMT
Data Converters A/D 16x12b; D/A 2x12b
Number of I/Os 47 I/O
Maximum Operating Temperature+ 85 C
Minimum Operating Temperature - 40 C
Manufacturer Microchip
Brand Microchip Technology / Atmel
Tradename XMEGA
RoHS N
Package Tape & Reel (TR);Cut Tape (CT);Digi-Reel®;
Base Product Number ATXMEGA256
Mfr Microchip Technology
Product Status Active
Package Shape SQUARE
Number of I/O Lines 47
Operating Temperature-40°C~85°C TA
PackagingTape & Reel (TR)
Series AVR® XMEGA® A3BU
Published 2012
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 64
Additional FeatureIT ALSO OPERATES IN 12 MHZ AT 1.6V MIN
Terminal Position QUAD
Terminal FormNO LEAD
Supply Voltage 3V
Terminal Pitch0.5mm
Reach Compliance Code compliant
Frequency 32MHz
Base Part Number ATXMEGA256
JESD-30 Code S-XQCC-N64
Qualification StatusNot Qualified
Supply Voltage-Max (Vsup) 3.6V
Power Supplies1.8/3.3V
Temperature GradeINDUSTRIAL
Interface I2C, IrDA, SPI, UART, USART, USB
Memory Size256kB
Oscillator TypeInternal
Number of I/O 47
Speed 32MHz
RAM Size 16K x 8
Voltage - Supply (Vcc/Vdd) 1.6V~3.6V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Core Processor AVR
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Program Memory TypeFLASH
Core Size 8/16-Bit
Program Memory Size 256KB 128K x 16
Connectivity I2C, IrDA, SPI, UART/USART, USB
Supply Current-Max 15 mA
Bit Size 16
Data Converter A/D 16x12b; D/A 2x12b
Has ADC YES
DMA Channels YES
Data Bus Width 8 bit/16 bit
PWM Channels YES
DAC Channels YES
Seated Height-Max 1 mm
Number of Timers/Counters 7
Product Type8-bit Microcontrollers - MCU
ROM (words) 131072
EEPROM Size 4K x 8
CPU Family AVR RISC
RAM (bytes) 16384
ROM Programmability FLASH
Product Category8-bit Microcontrollers - MCU
Length 9mm
Height Seated (Max) 1mm
Width 9mm
RoHS StatusROHS3 Compliant
In-Stock:726 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$4.55000$4.55

ATXMEGA256A3BU-MHR Product Details

ATXMEGA256A3BU-MHR Overview


Packaged in a 64-VFQFN Exposed Pad format. A total of 47 I/Os are on the Microcontroller. Surface Mount is the mounting type of the Microcontroller that is attached to the panel. This Microcontroller is based on a core called 8/16-Bit. The type of its program memory is FLASH. In this Microcontroller, temperature is controlled within the range -40°C~85°C TA. A AVR® XMEGA® A3BU series electrical component is used in this application. This program has a program memory of 256KB 128K x 16 bytes, which is the size of the program. With a AVR Core Processor, Microcontroller is fast and efficient. ICs for MICROCONTROLLER, RISC uPs/uCs/peripheral parts. There are 64 terminations on the IC chip, which means there are 64 terminations on the integrated circuit chip. In addition, MCU chip comes with a 16-bit size. Microcontroller chip has outputs of 3V volts. The system has YES channels for DMA communication. There is 256kB memory size assigned to the part. Alternatives can be found by searching through the base part number ATXMEGA256 to find them. At a frequency of 32MHz, Microcontroller can operate efficiently. This MCU Chip uses YES PWM channels to operate. Chips have 64 pins. There are 7 timers/counters in this device. The AVR RISC CPU family is embedded in the device, so it can handle a wide range of operations. As an example, one of the additional features that you can use is IT ALSO OPERATES IN 12 MHZ AT 1.6V MIN.

ATXMEGA256A3BU-MHR Features


64-VFQFN Exposed Pad package
Mounting type of Surface Mount


ATXMEGA256A3BU-MHR Applications


There are a lot of Microchip Technology
ATXMEGA256A3BU-MHR Microcontroller applications.


  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens
  • Home appliances

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