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Overview

The Atmel® AVR® XMEGA® is a family of low power, high performance and peripheral rich 8/16-bit microcontrollers based on the AVR® enhanced RISC architecture. By executing instructions in a single clock cycle, the AVR achieves throughputs CPU approaching 1 Million Instructions Per Second (MIPS) per MHz allowing the system designer to optimize power consumption versus processing speed.

特性 Features

• High-performance, Low-power Atmel® AVR® XMEGA® 8/16-bit Microcontroller

• Non-volatile Program and Data Memories

– 64K - 256KBytes of In-System Self-Programmable Flash

– 4K - 8KBytes Boot Section

– 2K - 4KBytes EEPROM

– 4K - 16KBytes Internal SRAM

• Peripheral Features

– Four-channel DMA Controller

– Eight-channel Event System

– Seven 16-bit Timer/Counters

Four Timer/Counters with 4 Output Compare or Input Capture channels

Three Timer/Counters with 2 Output Compare or Input Capture channels

High Resolution Extensions on all Timer/Counters

Advanced Waveform Extension on one Timer/Counter

– One USB device interface

USB 2.0 full speed (12Mbps) and low speed (1.5Mbps) device compliant

32 Endpoints with full configuration flexibility

– Seven USARTs with IrDA support for one USART

– AES and DES Crypto Engine

– CRC-16 (CRC-CCITT) and CRC-32 (IEEE 802.3) Generator

– Two Two-wire Interfaces with dual address match (I2C and SMBus compatible)

– Three Serial Peripheral Interfaces (SPIs)

– 16-bit Real Time Counter with Separate Oscillator

– Two Eight-channel, 12-bit, 2MSPS Analog to Digital Converters

– One Two-channel, 12-bit, 1MSPS Digital to Analog Converter

– Four Analog Comparators with Window compare function, and current source feature

– External Interrupts on all General Purpose I/O pins

– Programmable Watchdog Timer with Separate On-chip Ultra Low Power Oscillator

– QTouch® library support

Capacitive touch buttons, sliders and wheels

Up to 64 sense channels

• Special Microcontroller Features

– Power-on Reset and Programmable Brown-out Detection

– Internal and External Clock Options with PLL

– Programmable Multi-level Interrupt Controller

– Five Sleep Modes

– Programming and Debug Interfaces

JTAG (IEEE 1149.1 Compliant) Interface, including Boundary Scan

PDI (Program and Debug Interface)

• I/O and Packages

– 50 Programmable I/O Pins

– 64-lead TQFP

– 64-pad QFN

• Operating Voltage

– 1.6 – 3.6V

• Operating Frequency

– 0 – 12MHz from 1.6V

– 0 – 32MHz from 2.7V

Typical Applications

• Industrial control

• Climate control

• Low power battery applications

• Factory automation

• RF and ZigBee

• Power tools

• Building control

• USB connectivity

• HVAC

• Board control

• Sensor control

• Utility metering

• White goods

• Optical

• Medical applications