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 32-bit AVR Multi-hierarchy Bus System High-Performance Data Transfers on Separate Buses for Increased Performance Microcontroller 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 AT32UC3C0512C FlashVault Technology Allows Pre-programmed Secure Library Support for End AT32UC3C0256C User Applications AT32UC3C0128C Prefetch Buffer Optimizing Instruction Execution at Maximum Speed 100,000 Write Cycles, 15-year Data Retention Capability AT32UC3C064C Flash Security Locks and User Defined Configuration Area AT32UC3C1512C 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 AT32UC3C1256C Flash) AT32UC3C1128C 4 Kbytes on the Multi-Layer Bus System (HSB RAM) External Memory Interface on AT32UC3C0 Derivatives AT32UC3C164C SDRAM / SRAM Compatible Memory Bus (16-bit Data and 24-bit Address Buses) AT32UC3C2512C Interrupt Controller Autovectored Low Latency Interrupt Service with Programmable Priority AT32UC3C2256C System Functions AT32UC3C2128C Power and Clock Manager Internal 115KHz (RCSYS) and 8MHz/1MHz (RC8M) RC Oscillators AT32UC3C264C 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 Summary 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) NOTE: This is a summary document. Device 2.0 and Embedded Host Low Speed and Full Speed The complete document is available on Flexible End-Point Configuration and Management with Dedicated DMA Channels the Atmel website at www.atmel.com. 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 32117DSAVR01/12AT32UC3C 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 2 Three Master and Three Slave Two-Wire Interfaces (TWI), 400kbit/s I 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 2 32117DSAVR-01/12