Revert d9479d932fb97273b434e16b79fa27482932f7f1^ ... d9479d932f

Hardware.md

@@ -0,0 +1,55 @@
+# 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