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Hardware.md

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Hardware Overview

  • Atmel 32bit AVR Microcontroller AT32UC3B1256
  • MicroSD card reader
  • Micro push-button
  • Multi-color LED indicator
  • JTAG Interface (can be used for I/O)
  • Standard “Type A” USB connector

Amtel AT32UC3B1256 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 Priority
  • System Functions
  • Power and Clock Manager Including Internal RC Clock and One 32KHz Oscillator
  • 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 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