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AT32UC3A4256
DATA SHEET
(10/01/2012)

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AT32UC3A4256

In Production

32-bit AVR microcontroller designed for exceptionally high data throughput with Hi-Speed USB OTG, SD/SDIO card and Multi-Level-Cell (MLC) NAND flash with ECC interfaces. Designed with the multi-layered 32-bit AVR databus, 128 KB on-chip SRAM with triple high speed interfaces,and multi-channel Peripheral and memory to memory DMA controller, the AT32UC3A4256S offers outstanding data throughput.

The device also features a Built-in Hi-Fi stereo Audio DAC, and a full duplex multi-channel I2S audio interface.

The AT32UC3A4256S features an AES crypto module, capable of 128 to 256-bit AES encryption at speeds of up to 22.8 MBytes/s. Note that export restrictions apply to this variant.

128KB version: AT32UC3A4128S
64KB version: AT32UC3A464S

144-pin version: AT32UC3A4356S
Non Crypto version: AT32UC3A4256

 
    Parameter Name
    Value
    Family
    A3/A4 Series
    Max Speed MHz
    84
    Program Memory Size (KB)
    256
    RAM (KB)
    128
    SD/eMMC
    2
    Temperature Range (C)
    -40 to 85
    Operating Voltage Range (V)
    3 to 3.6
    DMA Channels
    12
    SPITM
    6
    I2CTM Compatible
    2
    Peripheral Pin Select (PPS) Crossbar
    Yes
    USB
    1
    USB Interface
    Device + OTG
    A/D channels
    8
    Max A/D Resolution
    10
    Number of DACs
    1
    Input Capture
    6
    16-bit Digital Timers
    6
    Internal Oscillator
    115Khz
    RTCC
    Yes
    I/O Pins
    69
    Pin Count
    100
    Documentation
    Data Sheets
    10/01/2012
    15196KB
    Data Sheets
    10/01/2012
    1617KB
    Data Sheets
    04/01/2011
    4988KB
    Data Sheets
    03/01/2010
    1103KB
      Application Notes
     
     
     
    AppNote
    01/01/2003
    94KB
    AppNote
    05/01/2002
    197KB
    AppNote
    12/10/2016
    283KB
    AppNote
    09/01/2002
    47KB
    AppNote
    11/01/2003
    55KB
    AppNote
    12/10/2016
    257KB
    AppNote
    11/01/2009
    319KB
    AppNote
    03/01/2005
    485KB
    AppNote
    05/01/2006
    37KB
    AppNote
    05/01/2006
    55KB
    AppNote
    11/01/2007
    126KB
    AppNote
    12/01/2007
    129KB
    AppNote
    03/01/2008
    129KB
    AppNote
    11/01/2007
    342KB
    AppNote
    03/01/2010
    233KB
    AppNote
    04/01/2008
    984KB
    AppNote
    12/01/2008
    287KB
    AppNote
    05/01/2008
    275KB
    AppNote
    08/01/2010
    1069KB
    AppNote
    04/01/2009
    691KB
    AppNote
    12/01/2008
    93KB
    AppNote
    11/01/2009
    526KB
    AppNote
    12/01/2010
    252KB
    AppNote
    03/01/2009
    47KB
    AppNote
    07/01/2009
    558KB
    AppNote
    04/01/2009
    87KB
    AppNote
    06/01/2009
    115KB
    AppNote
    04/01/2010
    351KB
    AppNote
    09/01/2009
    191KB
    AppNote
    02/01/2010
    1739KB
    AppNote
    11/01/2009
    103KB
    AppNote
    02/01/2010
    1701KB
    AppNote
    11/01/2011
    325KB
    AppNote
    07/01/2010
    241KB
    AppNote
    11/01/2010
    952KB
    AppNote
    01/01/2011
    220KB
    AppNote
    07/01/2012
    314KB
    AppNote
    02/01/2011
    171KB
    AppNote
    03/01/2011
    66KB
    AppNote
    03/01/2011
    723KB
    AppNote
    04/01/2012
    272KB
    AppNote
    05/01/2012
    713KB
    AppNote
    07/01/2012
    628KB
    AppNote
    10/01/2012
    1283KB
    AppNote
    08/01/2012
    134KB
    AppNote
    11/01/2012
    143KB
    AppNote
    12/01/2014
    2009KB
    AppNote
    12/10/2016
    472KB
    AppNote
    12/10/2016
    318KB
    AppNote
    12/10/2016
    341KB
    AppNote
    12/10/2016
    347KB
    AppNote
    12/10/2016
    362KB
    AppNote
    12/10/2016
    292KB
    AppNote
    12/10/2016
    409KB
    AppNote
    12/10/2016
    340KB
    AppNote
    12/10/2016
    383KB
    AppNote
    12/10/2016
    328KB
    AppNote
    07/01/2008
    153KB
    AppNote
    12/10/2016
    323KB
    AppNote
    02/01/2010
    853KB
    AppNote
    05/01/2011
    319KB
    AppNote
    12/01/2009
    228KB
    AppNote
    09/01/2008
    230KB
    AppNote
    09/01/2005
    117KB
    AppNote
    02/01/2006
    318KB
    AppNote
    12/10/2016
    139KB
    AppNote
    04/01/2008
    492KB
    AppNote
    04/01/2013
    724KB
    AppNote
    07/01/2013
    486KB
    AppNote
    03/01/2015
    1035KB
    AppNote
    09/01/2011
    194KB
    AppNote
    09/01/2011
    238KB
    AppNote
    03/01/2013
    796KB
    AppNote
    03/01/2012
    361KB
    AppNote
    10/01/2011
    617KB
    AppNote
    10/01/2011
    438KB
    AppNote
    11/01/2011
    667KB
    AppNote
    03/01/2012
    142KB
    AppNote
    03/01/2012
    613KB
    AppNote
    03/01/2012
    322KB
    AppNote
    03/01/2012
    558KB
    AppNote
    02/01/2010
    185KB
    AppNote
    07/28/2017
    936KB
    AppNote
    06/23/2017
    302KB
      Brochures
     
     
     
    Brochures
    06/01/2013
    103KB
    Brochures
    01/01/2013
    122KB
    Brochures
    01/01/2013
    84KB
    Brochures
    01/01/2013
    74KB
    Brochures
    01/01/2013
    110KB
    Brochures
    05/01/2010
    121KB
    Brochures
    01/01/2012
    91KB
    Brochures
    09/01/2012
    108KB
    Brochures
    02/01/2013
    37KB
    Brochures
    11/01/2014
    785KB
    Brochures
    11/01/2013
    5255KB
    Brochures
    05/01/2010
    8518KB
    Brochures
    12/10/2016
    4660KB
      Quick Start Guides
     
     
     
    Quick Start Guides
    05/01/2009
    10012KB
    Quick Start Guides
    05/01/2013
    112KB
    Quick Start Guides
    06/01/2013
    933KB
    Quick Start Guides
    05/01/2013
    104KB
      User Guides
     
     
     
     
    User Guides
    08/02/2017
    312KB
      White Papers
     
     
     
     
    WhitePapers
    07/01/2012
    951KB
    Pricing & Samples
    All pricing shown in USD only.
    Part Number
    Leads
    Package Type
    Temp Range
    Packing
    1+
    26+
    100+
    1000+
    5000+
    Buy
    Sample
    AT32UC3A4256-C1UR
    100
    VFBGA
    -40C to +85C
    T/R
    9.16
    8.32
    7.54
    6.89
    6.61
    AT32UC3A4256-C1UT
    100
    VFBGA
    -40C to +85C
    TRAY
    9.01
    8.19
    7.42
    6.78
    6.51

    ** Device not available to purchase online. Please contact a sales office for pricing information.
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    Development Tools
    • Demo & Eval Boards
    • UC3-A3 Xplained ( AT32UC3A3-XPLD )

      UC3-A3

      The UC3-A3 Xplained evaluation kit is a hardware platform for evaluating the AT32UC3A3256 microcontroller. The kit offers a range of features that enable the AVR UC3 user to get started using AVR UC3 peripherals right away and understand how to integrate the AVR UC3 device in their own design.

      NOTE: The UC3-A3 Xplainedis suited for evaluation ofboth UC3A3 and UC3A4 microcontrollers....

    • UC3-L0 Xplained ( AT32UC3L0-XPLD )

      UC3-L0

      The UC3-L0 Xplained evaluation kit is a hardware platform for evaluating the AT32UC3L064 microcontroller. The kit offers a range of features that enable the AVR UC3 user to get started using AVR UC3 peripherals right away and understand how to integrate the AVR UC3 device in their own design.

      NOTE: The UC3-L0 Xplained is suited for evaluation of both UC3L0 and UC3L4 microcontrollers....

    • 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...

    • Atmel-ICE Full Kit ( ATATMEL-ICE )

      Atmel-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...

    • ATSTK600-RC27 ( ATSTK600-RC27 )

      ATSTK600-RC27

      Routing card for 48-pin AVR UC3 B1 series in TQFP and QFN socket supplements the STK6000 Starter Kit.

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

    • ATSTK600 Kit ( ATSTK600 )

      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...

    • AT32UC3L-EK ( AT32UC3L-EK )

      AT32UC3L-EK

      Evaluation kit and development system for the 32-bit AVR AT32UC3L064 microcontroller. The kit is equipped with a rich set of peripherals making it a perfect evaluation platform.

    • 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...

    • ATSTK600 Kit ( ATSTK600 )

      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...

    • 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

    • Power Debugger kit ( ATPOWERDEBUGGER )

      Power

      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...

    • 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.

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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
    AT32UC3A4256S-C1UR
    0.074400
    0.262000
    100
    VFBGA
    7x7x1mm
    SAC105
    e8
    AT32UC3A4256-C1UT
    0.074400
    0.200000
    100
    VFBGA
    7x7x1mm
    SAC105
    e8
    AT32UC3A4256J-C1UR
    0.074400
    0.262000
    100
    VFBGA
    7x7x1mm
    SAC105
    e8
    AT32UC3A4256-C1UR
    0.074400
    0.262000
    100
    VFBGA
    7x7x1mm
    SAC105
    e8
    AT32UC3A4256HHB-C1UR
    0.074400
    0.262000
    100
    VFBGA
    7x7x1mm
    SAC105
    e8
    AT32UC3A4256S-C1UT
    0.074400
    0.200000
    100
    VFBGA
    7x7x1mm
    SAC105
    e8
    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.