Microchip Technology Inc
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ATxmega256A3

Status: In Production

Overview
Documents
Development Environment
Similar Devices
RoHS Information
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Device Overview

Summary

Low power, high performance 8/16-bit AVR microcontroller featuring 256KB self-programming flash program memory, 8KB boot code section, 16KB SRAM, 4096-byte EEPROM, 4-channel DMA controller, 8-channel event system. It also includes dual 12-bit ADC, 2 12-bit DAC channels, 4 analog comparators, AES and DES crypto engines, 7 16-bit timer/counters, 6 USART, 2 SPI, and 2 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.

Parametrics
Name
Value
Program Memory Type
Flash
Program Memory Size (KB)
256
CPU Speed (MIPS/DMIPS)
32
SRAM Bytes
16
Data EEPROM/HEF (bytes)
4096
Digital Communication Peripherals
7-UART, 10-SPI, 2-I2C
Capture/Compare/PWM Peripherals
22 Input Capture, 22 CCP, 22PWM
Number of Comparators
4
Temperature Range (C)
-40 to 85
Operating Voltage Range (V)
1.6 to 3.6
Pin Count
64
Low Power
Yes

Documents

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Application Notes

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Device Documentation

12/10/2016
2468KB

User Guides

08/02/2017
312KB

Development Environment

  • Demo & Evaluation Boards
Demo & Evaluation Boards
ATSTK600 Kit
ATSTK600 Kit ( ATSTK600 )

A complete starter kit and development system for the 8-bit and 32-bit AVR microcontrollers that gives designers a quick start to develop code on the AVR, with advanced features for prototyping and testing new designs.

The AVR device connects to the STK600 using an innovative routing and socketcard sandwich system, which routes the signals from the device to the appropriate...

Learn More
Add To Cart
Atmel-ICE Full Kit
Atmel-ICE Full Kit ( ATATMEL-ICE )

Atmel-ICE is a powerful development tool for debugging and programming ARM® Cortex®-M based SAM and AVR microcontrollers with on-chip debug capability.

Atmel-ICE supports:

  • Programming and on-chip debugging of all AVR 32-bit MCUs on both JTAG and aWire interfaces
  • Programming and on-chip debugging of all AVR
...

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ATmega328PB-XMINI
ATmega328PB-XMINI ( ATMEGA328PB-XMINI )

The ATmega328PB Xplained Mini evalutation kit is a hardware platform for evaluating the ATmega328PB microcontroller (MCU). The evaluation kit comes with a fully integrated debugger that provides seamless integration with Atmel Studio. The kit provides access to the features of the ATmega328PB MCU enabling easy integration of the device into a custom design

The kit features two

...

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ATSTK600-LCDX
ATSTK600-LCDX ( ATSTK600-LCDX )

LCD for STK600 supporting the LCD enabeld AVR XMEGA devices.

Learn More
Add To Cart
ATSTK600-SC48
ATSTK600-SC48 ( ATSTK600-SC48 )

Generic socket card for 28-pins TSSOP 0.65 mm pitch devices. Supplements the STK600 Starter Kit.

For an overview of card combinations and supported devices see Device Support Table

Learn More
Add To Cart
ATmega324PB-XPRO
ATmega324PB-XPRO ( ATMEGA324PB-XPRO )

The ATmega324PB Xplained Pro evalutation kit is a hardware platform for evaluating the ATmega324PB microcontroller (MCU). The ATmega324PB-XPRO evaluation kit does not include extension boards which can be purchased individually. ATmega324PB Xplained Pro currently supports more than 20 extension boards including wired and wireless connectivity, crytpo authentication, QTouch capacitive touch

...

Learn More
Add To Cart
ATWPTRB
ATWPTRB ( ATWPTRB )

The Wireless Production Test Reference (WPTR) is a complete production test setup solution offered for customers using the wireless solutions including ZigBee Transceivers and SoC in their product. Main purpose of this reference solution is to ensure faster ramp up of production test for customers products in high volume manufacturing. The tests that can be executed in the production site

...

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STK600-LCD160
STK600-LCD160 ( ATSTK600-LCD160 )
(Not Recommended for new design)

LCD for STK600 supporting the megaAVR devices.

Learn More
Power Debugger kit
Power Debugger kit ( ATPOWERDEBUGGER )

Power Debugger is a powerful development tool for debugging and programming AVR microcontrollers using UPDI, JTAG, PDI, debugWIRE, aWire, TPI or SPI target interfaces and ARM® Cortex®-M based SAM microcontrollers using JTAG or SWD target interfaces.

In addition the Power Debugger has two independent current sensing channels for measuring and optimizing the power consumption of

...

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Add To Cart
ATmega168PB-XMINI
ATmega168PB-XMINI ( ATMEGA168PB-XMINI )

The ATmega168PB Xplained Mini evaluation kit is a hardware platform for evaluating the ATmega168PB microcontroller. The evaluation kit comes with a fully-integrated debugger that provides seamless integration with Atmel Studio. The kit provides access to the features of the ATmega168PB enabling easy integration of the device in a custom design.

Learn More
Add To Cart
XMEGA-A3BU Xplained
XMEGA-A3BU Xplained ( ATXMEGAA3BU-XPLD )

The AVR Xplained kits are great platforms for early evaluation of the capabilities offered by the AVR microcontrollers. The XMEGA-A3BU Xplained contain one QTouch button sensor, three mechanical buttons, two LEDs, 3 analog sensors, a USB port, battery backup system and a 128x32 pixel FSTN LCD display.

The AVR Xplained expansion headers provide easy access to analog and

...

Learn More
Add To Cart
ATmega328P-XMINI
ATmega328P-XMINI ( ATMEGA328P-XMINI )

The ATmega328P Xplained Mini evalutation kit is a hardware platform for evaluating the ATmega328P microcontroller. The evaluation kit comes with a fully integrated debugger that provides seamless integration with Atmel Studio. The kit provides access to the features of the ATmega328P enabling easy integration of the device in a custom design

Learn More
Add To Cart
XMEGA A1U Xplained Pro evaluation kit
XMEGA A1U Xplained Pro evaluation kit ( ATXMEGAA1U-XPRO )

The XMEGA A1U Xplained Pro evaluation kit is ideal for evaluation and prototyping with the ATxmega128A1U microcontroller. Extension boards to the XMEGA A1U Xplained Pro can be purchased individually.

The ATXMEGAA1U-XPRO evaluation kit does not include extension boards.

For compatible Xplained Pro extension board please see the Related Tools tab.

Learn More
Add To Cart
XMEGA-B1 Xplained
XMEGA-B1 Xplained ( ATXMEGAB1-XPLD )

The XMEGA-B1 Xplained evaluation kit is a hardware platform for evaluating the ATxmega128B1 microcontroller. The kit offers a range of features that enable the AVR XMEGA user to get started using AVR XMEGA peripherals right away and understand how to integrate the AVR XMEGA device in their own design.

Learn More
Add To Cart
ATSTK600 Kit
ATSTK600 Kit ( ATSTK600 )

A complete starter kit and development system for the 8-bit and 32-bit AVR microcontrollers that gives designers a quick start to develop code on the AVR, with advanced features for prototyping and testing new designs.

The AVR device connects to the STK600 using an innovative routing and socketcard sandwich system, which routes the signals from the device to the appropriate...

Learn More
Add To Cart

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RoHS Information

Part Number
Device Weight
Shipping Weight
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
ATXMEGA256A3-AUR
0.540000
0.750000
64
TQFP
14x14x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATXMEGA256A3B-AUR
0.540000
0.750000
64
TQFP
14x14x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATXMEGA256A3-AU
0.540000
4.122222
64
TQFP
14x14x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATXMEGA256A3U-AN
0.540000
4.122222
64
TQFP
14x14x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATXMEGA256A3U-ANR
0.540000
0.750000
64
TQFP
14x14x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATXMEGA256A3U-AU
0.540000
4.122222
64
TQFP
14x14x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATXMEGA256A3BU-AU
0.540000
4.122222
64
TQFP
14x14x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATXMEGA256A3B-AU
0.540000
4.122222
64
TQFP
14x14x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATXMEGA256A3BU-AUR
0.540000
0.750000
64
TQFP
14x14x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATXMEGA256A3U-AUR
0.540000
0.750000
64
TQFP
14x14x1mm
Matte Tin
e3
Rohs icon
efup china icon
ATXMEGA256A3B-MH
0.236200
1.092308
64
VQFN
9x9x1mm
NiPdAu
e4
Rohs icon
efup china icon
ATXMEGA256A3BU-MHR
0.236200
0.372500
64
VQFN
9x9x1mm
NiPdAu
e4
Rohs icon
efup china icon
ATXMEGA256A3U-MHR
0.236200
0.372500
64
VQFN
9x9x1mm
NiPdAu
e4
Rohs icon
efup china icon
ATXMEGA256A3BU-MH
0.236200
1.092308
64
VQFN
9x9x1mm
NiPdAu
e4
Rohs icon
efup china icon
ATXMEGA256A3B-MHR
0.236200
0.372500
64
VQFN
9x9x1mm
NiPdAu
e4
Rohs icon
efup china icon
ATXMEGA256A3-MHR
0.236200
0.372500
64
VQFN
9x9x1mm
NiPdAu
e4
Rohs icon
efup china icon
ATXMEGA256A3-MH
0.236200
1.092308
64
VQFN
9x9x1mm
NiPdAu
e4
Rohs icon
efup china icon
ATXMEGA256A3U-MH
0.236200
1.092308
64
VQFN
9x9x1mm
NiPdAu
e4
Rohs icon
efup china icon
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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