Features

• High Performance, Low Power 32-bit AVR® Microcontroller

– Compact Single-cycle RISC Instruction Set Including DSP Instruction Set

– Built-in Floating-Point Processing Unit (FPU)

– Read-Modify-Write Instructions and Atomic Bit Manipulation

– Performing 1.49 DMIPS / MHz

• Up to 91 DMIPS Running at 66 MHz from Flash (1 Wait-State)

• Up to 49 DMIPS Running at 33 MHz from Flash (0 Wait-State)

– Memory Protection Unit

• Multi-hierarchy Bus System

– High-Performance Data Transfers on Separate Buses for Increased Performance

– 16 Peripheral DMA Channels Improves Speed for Peripheral Communication

• Internal High-Speed Flash

– 512 Kbytes, 256 Kbytes, 128 Kbytes, 64 Kbytes Versions

– Single Cycle Access up to 33 MHz

– FlashVault™ Technology Allows Pre-programmed Secure Library Support for End

User Applications

– Prefetch Buffer Optimizing Instruction Execution at Maximum Speed

– 100,000 Write Cycles, 15-year Data Retention Capability

– Flash Security Locks and User Defined Configuration Area

• Internal High-Speed SRAM, Single-Cycle Access at Full Speed

– 64 Kbytes (512 KB and 256 KB Flash), 32 Kbytes (128 KB Flash), 16 Kbytes (64 KB

Flash)

– 4 Kbytes on the Multi-Layer Bus System (HSB RAM)

• External Memory Interface on AT32UC3C0 Derivatives

– SDRAM / SRAM Compatible Memory Bus (16-bit Data and 24-bit Address Buses)

• Interrupt Controller

– Autovectored Low Latency Interrupt Service with Programmable Priority

• System Functions

– Power and Clock Manager

– Internal 115KHz (RCSYS) and 8MHz/1MHz (RC8M) RC Oscillators

– One 32 KHz and Two Multipurpose Oscillators

– Clock Failure detection

– Two Phase-Lock-Loop (PLL) allowing Independent CPU Frequency from USB or

CAN Frequency

• Windowed Watchdog Timer (WDT)

• Asynchronous Timer (AST) with Real-Time Clock Capability

– Counter or Calendar Mode Supported

• Frequency Meter (FREQM) for Accurate Measuring of Clock Frequency

• Ethernet MAC 10/100 Mbps interface

– 802.3 Ethernet Media Access Controller

– Supports Media Independent Interface (MII) and Reduced MII (RMII)

• Universal Serial Bus (USB)

– Device 2.0 and Embedded Host Low Speed and Full Speed

– Flexible End-Point Configuration and Management with Dedicated DMA Channels

– On-chip Transceivers Including Pull-Ups

• One 2-channel Controller Area Network (CAN)

– CAN2A and CAN2B protocol compliant, with high-level mailbox system

– Two independent channels, 16 Message Objects per Channel

• One 4-Channel 20-bit Pulse Width Modulation Controller (PWM)

– Complementary outputs, with Dead Time Insertion

– Output Override and Fault Protection

• Two Quadrature Decoders

• One 16-channel 12-bit Pipelined Analog-To-Digital Converter (ADC)

– Dual Sample and Hold Capability Allowing 2 Synchronous Conversions

– Single-Ended and Differential Channels, Window Function

• Two 12-bit Digital-To-Analog Converters (DAC), with Dual Output Sample System

• Four Analog Comparators

• Six 16-bit Timer/Counter (TC) Channels

– External Clock Inputs, PWM, Capture and Various Counting Capabilities

• One Peripheral Event Controller

– Trigger Actions in Peripherals Depending on Events Generated from Peripherals or from Input Pins

– Deterministic Trigger

– 34 Events and 22 Event Actions

• Five Universal Synchronous/Asynchronous Receiver/Transmitters (USART)

– Independent Baudrate Generator, Support for SPI, LIN, IrDA and ISO7816 interfaces

– Support for Hardware Handshaking, RS485 Interfaces and Modem Line

• Two Master/Slave Serial Peripheral Interfaces (SPI) with Chip Select Signals

• One Inter-IC Sound (I2S) Controller

– Compliant with I2S Bus Specification

– Time Division Multiplexed mode

• Three Master and Three Slave Two-Wire Interfaces (TWI), 400kbit/s I2

C-compatible

• QTouch® Library Support

– Capacitive Touch Buttons, Sliders, and Wheels

– QTouch® and QMatrix® Acquisition

• On-Chip Non-intrusive Debug System

– Nexus Class 2+, Runtime Control, Non-Intrusive Data and Program Trace

– aWire™ single-pin programming trace and debug interface muxed with reset pin

– NanoTrace™ provides trace capabilities through JTAG or aWire interface

• 3 package options

– 64-pin QFN/TQFP (45 GPIO pins)

– 100-pin TQFP (81 GPIO pins)

– 144-pin LQFP (123 GPIO pins)

• Two operating voltage ranges:

– Single 5V Power Supply

– Single 3.3V Power Supply