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
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
32117DAVR01/12AT32UC3C
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
32117DAVR-01/12