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 up to 1.39 DMIPS / MHz Up to 83 DMIPS Running at 60 MHz from Flash Up to 46 DMIPS Running at 30 MHz from Flash Memory Protection Unit Multi-hierarchy Bus System 32-bit ATMEL High-Performance Data Transfers on Separate Buses for Increased Performance 7 Peripheral DMA Channels Improves Speed for Peripheral Communication AVR Internal High-Speed Flash 512K Bytes, 256K Bytes, 128K Bytes, 64K Bytes Versions Microcontroller Single Cycle Access up to 30 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 AT32UC3B0512 Flash Security Locks and User Defined Configuration Area AT32UC3B0256 Internal High-Speed SRAM, Single-Cycle Access at Full Speed 96K Bytes (512KB Flash), 32K Bytes (256KB and 128KB Flash), 16K Bytes (64KB AT32UC3B0128 Flash) Interrupt Controller AT32UC3B064 Autovectored Low Latency Interrupt Service with Programmable Priority System Functions AT32UC3B1512 Power and Clock Manager Including Internal RC Clock and One 32KHz Oscillator Two Multipurpose Oscillators and Two Phase-Lock-Loop (PLL) allowing AT32UC3B1256 Independant CPU Frequency from USB Frequency Watchdog Timer, Real-Time Clock Timer AT32UC3B1128 Universal Serial Bus (USB) AT32UC3B164 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 USB Wake Up from Sleep Functionality One Three-Channel 16-bit Timer/Counter (TC) Three External Clock Inputs, PWM, Capture and Various Counting Capabilities One 7-Channel 20-bit Pulse Width Modulation Controller (PWM) Three 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 One Master/Slave Serial Peripheral Interfaces (SPI) with Chip Select Signals One Synchronous Serial Protocol Controller 2 S and Generic Frame-Based Protocols Supports I 2 One Master/Slave Two-Wire Interface (TWI), 400kbit/s I C-compatible One 8-channel 10-bit Analog-To-Digital Converter, 384ks/s 16-bit Stereo Audio Bitstream DAC Sample Rate Up to 50 KHz QTouch Library Support Capacitive Touch Buttons, Sliders, and Wheels QTouch and QMatrix Acquisition 32059L01/2012AT32UC3B On-Chip Debug System (JTAG interface) Nexus Class 2+, Runtime Control, Non-Intrusive Data and Program Trace 64-pin TQFP/QFN (44 GPIO pins), 48-pin TQFP/QFN (28 GPIO pins) 5V Input Tolerant I/Os, including 4 high-drive pins Single 3.3V Power Supply or Dual 1.8V-3.3V Power Supply 2 32059LAVR3201/2012