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 compare or input capture channels z Two timer/counters with 2 output compare or input capture channels z High-resolution extensions on all timer/counters z Advanced waveform extension (AWeX) on one timer/counter z One USB device interface z USB 2.0 full speed (12Mbps) and low speed (1.5Mbps) device compliant z 32 Endpoints with full configuration flexibility z Five USARTs with IrDA support for one USART 2 z Two Two-wire interfaces with dual address match (I C and SMBus compatible) 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 Comparators with window compare 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 frequency z 0 12MHz from 1.6V z 0 32MHz from 2.7V Atmel-8387H-AVR-ATxmega16A4U-34A4U-64A4U-128A4U-Datasheet 09/20141. Ordering Information (1)(2)(3) Ordering code Flash (bytes) EEPROM (bytes) SRAM (bytes) Speed (MHz) Power supply Package Temp. ATxmega128A4U-AU 128K + 8K 2K 8K (4) ATxmega128A4U-AUR 128K + 8K 2K 8K ATxmega64A4U-AU 64K + 4K 2K 4K (4) ATxmega64A4U-AUR 64K + 4K 2K 4K 44A ATxmega32A4U-AU 32K + 4K 1K 4K (4) ATxmega32A4U-AUR 32K + 4K 1K 4K ATxmega16A4U-AU 16K + 4K 1K 2K (4) ATxmega16A4U-AUR 16K + 4K 1K 2K ATxmega128A4U-MH 128K + 8K 2K 8K (4) ATxmega128A4U-MHR 128K + 8K 2K 8K PW ATxmega64A4U-MH 64K + 4K 2K 4K (4) ATxmega64A4U-MHR 64K + 4K 2K 4K 32 1.6 - 3.6V -40 C - 85 C ATxmega32A4U-MH 32K + 4K 1K 4K (4) ATxmega32A4U-MHR 32K + 4K 1K 4K 44M1 ATxmega16A4U-MH 16K + 4K 1K 2K (4) ATxmega16A4U-MHR 16K + 4K 1K 2K ATxmega128A4U-CU 128K + 8K 2K 8K (4) ATxmega128A4U-CUR 128K + 8K 2K 8K ATxmega64A4U-CU 64K + 4K 2K 4K (4) ATxmega64A4U-CUR 64K + 4K 2K 4K 49C2 ATxmega32A4U-CU 32K + 4K 1K 4K (4) ATxmega32A4U-CUR 32K + 4K 1K 4K ATxmega16A4U-CU 16K + 4K 1K 2K (4) ATxmega16A4U-CUR 16K + 4K 1K 2K XMEGA A4U DATASHEET 2 Atmel-8387H-AVR-ATxmega16A4U-34A4U-64A4U-128A4U-Datasheet 09/2014