Features High-performance, low-power Atmel® AVR® XMEGA® 8/16-bit Microcontroller Nonvolatile program and data memories – 16K - 128KBytes of in-system self-programmable flash – 4K - 8KBytes boot section – 1K - 2KBytes EEPROM – 2K - 8KBytes internal SRAM Peripheral Features – Four-channel DMA controller – Eight-channel event system – Five 16-bit timer/counters      Three timer/counters with 4 output compare or input capture channels      Two timer/counters with 2 output compare or input capture channels      High-resolution extensions on all timer/counters      Advanced waveform extension (AWeX) 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 – Five USARTs with IrDA support for one USART – Two Two-wire interfaces with dual address match (I2C and SMBus compatible) – Two serial peripheral interfaces (SPIs) – AES and DES crypto engine – CRC-16 (CRC-CCITT) and CRC-32 (IEEE® 802.3) generator – 16-bit real time counter (RTC) with separate oscillator – One twelve-channel, 12-bit, 2mspsAnalog to Digital Converter – One two-channel, 12-bit, 1msps Digital to Analog Converter – Two Analog Comparators with window compare function, and current sources – 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 and prescaler – Programmable multilevel interrupt controller – Five sleep modes – Programming and debug interfaces      PDI (program and debug interface) I/O and packages – 34 Programmable I/O pins – 44 - lead TQFP – 44 - pad VQFN/QFN – 49 - ball VFBGA Operating voltage – 1.6 – 3.6V Operating frequency – 0 – 12MHz from 1.6V – 0 – 32MHz from 2.7V