ATxmega64A4U Datasheet | Atmel

8/16-bit Atmel XMEGA Microcontroller ATxmega128A4U / ATxmega64A4U / ATxmega32A4U / ATxmega16A4U Features z High-performance, low-power Atmel® AVR® XMEGA® 8/16-bit Microcontroller z Nonvolatile program and data memories z 16K - 128KB of in-system self-programmable flash z 4K - 8KB boot section z 1K - 2KB EEPROM z 2K - 8KB internal SRAM z Peripheral Features z Four-channel DMA controller z Eight-channel event system z Five 16-bit timer/counters z Three timer/counters with 4 output pare or input capture channels z Two timer/counters with 2 output pare or input capture channels z High-resolution extensions on all timer/counters z Advanced waveform extension (AWe X) on one timer/counter z One USB device interface z USB 2.0 full speed (12Mbps) and low speed (1.5Mbps) device pliant z 32 Endpoints with full configuration flexibility z Five USARTs with Ir DA support for one USART z Two Two-wire interfaces with dual address match (I2C and SMBus patible) z Two serial peripheral interfaces (SPIs) z AES and DES crypto engine z CRC-16 (CRC-CCITT) and CRC-32 (IEEE® 802.3) generator z 16-bit real time counter (RTC) with separate oscillator z One twelve-channel, 12-bit, 2msps Analog to Digital Converter z One two-channel, 12-bit, 1msps Digital to Analog Converter z Two Analog parators with window pare function, and current sources z External interrupts on all general purpose I/O pins z Programmable watchdog timer with separate on-chip ultra low power oscillator z QTouch® library support z Capacitive touch buttons, sliders and wheels z Special microcontroller Features z Power-on reset and programmable brown-out detection z Internal and external clock options with PLL and prescaler z Programmable multilevel interrupt controller z Five sleep modes z Programming and debug interfaces z PDI (program and debug interface) z I/O and packages z 34 Programmable I/O pins z 44 - lead TQFP z 44 - pad VQFN/QFN z 49 - ball VFBGA z Operating voltage z 1.6 - 3.6V z Operating...