Features High-performance, low-power Atmel® AVR® XMEGA® 8/16-bit Microcontroller Nonvolatile program and data memories – 64K - 128KBytes of in-system self-programmable flash – 4K - 8KBytes boot section – 2KBytes EEPROM – 4K - 8KBytes internal SRAM Peripheral Features – Two-channel DMA controller – Four-channel event system – Three 16-bit timer/counters      Two timer/counters with 4 output compare or input capture channels      One timer/counter with 2 output compare or input capture channels      High resolution extensions one timer/counter      Advanced waveform extension (AWeX) on one timer/counter      Split mode on two timer/counters – One USB device interface      USB 2.0 full speed (12Mbps) and low speed (1.5Mbps) device compliant      32 Endpoints with full configuration flexibility – Two USARTs with IrDA support for one USART – AES and DES crypto engine – CRC-16 (CRC-CCITT) and CRC-32 (IEEE® 802.3) generator – One two-wire interface with dual address match (I2C and SMBus compatible) – One serial peripheral interface (SPI) – 16-bit Real Time Counter (RTC) with separate oscillator – Liquid Crystal Display      Up to 4x40 segment driver      Built in contrast control      ASCII character mapping      Flexible SWAP of segment and common terminals buses – Two eight-channel, 12-bit, 300 thousand SPS Analog to Digital Converters – 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 Special microcontroller features – Power-on reset and programmable brown-out detection – Internal and external clock options with PLL – Programmable multilevel 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 – 53 Programmable I/O pins – 100-lead TQFP Operating Voltage – 1.6 – 3.6V Operating frequency – 0 – 12MHz from 1.6V – 0 – 32MHz from 2.7V