AT32UC3B0256说明书，完整版

32-bit AVR® Microcontroller AT32UC3B0512 AT32UC3B0256 AT32UC3B0128 AT32UC3B064 AT32UC3B1512 AT32UC3B1256 AT32UC3B1128 AT32UC3B164 Features • High Performance, Low Power AVR®32 UC 32-Bit 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 – High-Performance Data Transfers on Separate Buses for Increased Performance – 7 Peripheral DMA Channels Improves Speed for Peripheral Communication • Internal High-Speed Flash – 512K Bytes, 256K Bytes, 128K Bytes, 64K Bytes Versions – 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 – Flash Security Locks and User Defined Configuration Area • Internal High-Speed SRAM, Single-Cycle Access at Full Speed – 96K Bytes (512KB Flash), 32K Bytes (256KB and 128KB Flash), 16K Bytes (64KB Flash) • Interrupt Controller – Autovectored Low Latency Interrupt Service with Programmable • 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 – 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 – 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, 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 32059K

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