Features High Performance, Low Power 32-Bit Atmel AVR Microcontroller Compact Single-cycle RISC Instruction Set Including DSP Instruction Set 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 33MHz from Flash (0 Wait-State) Memory Protection Unit Multi-hierarchy Bus System High-Performance Data Transfers on Separate Buses for Increased Performance 32-Bit Atmel AVR 15 Peripheral DMA Channels Improves Speed for Peripheral Communication Internal High-Speed Flash Microcontroller 512K Bytes, 256K Bytes, 128K Bytes Versions Single Cycle Access up to 33 MHz Prefetch Buffer Optimizing Instruction Execution at Maximum Speed 4ms Page Programming Time and 8ms Full-Chip Erase Time 100,000 Write Cycles, 15-year Data Retention Capability AT32UC3A0512 Flash Security Locks and User Defined Configuration Area AT32UC3A0256 Internal High-Speed SRAM, Single-Cycle Access at Full Speed 64K Bytes (512KB and 256KB Flash), 32K Bytes (128KB Flash) AT32UC3A0128 External Memory Interface on AT32UC3A0 Derivatives SDRAM / SRAM Compatible Memory Bus (16-bit Data and 24-bit Address Buses) AT32UC3A1512 Interrupt Controller Autovectored Low Latency Interrupt Service with Programmable Priority AT32UC3A1256 System Functions Power and Clock Manager Including Internal RC Clock and One 32KHz Oscillator AT32UC3A1128 Two Multipurpose Oscillators and Two Phase-Lock-Loop (PLL) allowing Independant CPU Frequency from USB Frequency Watchdog Timer, Real-Time Clock Timer Universal Serial Bus (USB) Device 2.0 Full Speed and On-The-Go (OTG) Low Speed and Full Speed Flexible End-Point Configuration and Management with Dedicated DMA Channels On-chip Transceivers Including Pull-Ups Ethernet MAC 10/100 Mbps interface 802.3 Ethernet Media Access Controller Supports Media Independent Interface (MII) and Reduced MII (RMII) One Three-Channel 16-bit Timer/Counter (TC) Three External Clock Inputs, PWM, Capture and Various Counting Capabilities One 7-Channel 16-bit Pulse Width Modulation Controller (PWM) Four Universal Synchronous/Asynchronous Receiver/Transmitters (USART) Independant Baudrate Generator, Support for SPI, 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 Synchronous Serial Protocol Controller Supports I2S and Generic Frame-Based Protocols One Master/Slave Two-Wire Interface (TWI), 400kbit/s I2C-compatible One 8-channel 10-bit Analog-To-Digital Converter 16-bit Stereo Audio Bitstream Sample Rate Up to 50 KHz 32058K-AVR32-01/12AT32UC3A On-Chip Debug System (JTAG interface) Nexus Class 2+, Runtime Control, Non-Intrusive Data and Program Trace 100-pin TQFP (69 GPIO pins), 144-pin LQFP (109 GPIO pins) , 144 BGA (109 GPIO pins) 5V Input Tolerant I/Os Single 3.3V Power Supply or Dual 1.8V-3.3V Power Supply 2 32058K AVR32-01/12