8/16-bit Atmel XMEGA Microcontroller ATxmega256C3, ATxmega192C3, ATxmega128C3, ATxmega64C3, ATxmega32C3 DATASHEET Features High-performance, low-power Atmel AVR XMEGA 8/16-bit Microcontroller Nonvolatile program and data memories 32K - 256KBytes of In-System Self-Programmable Flash 4K - 8KBytes Boot Code Section with Independent Lock Bits 1K - 4KBytes EEPROM 4K - 16KBytes Internal SRAM Peripheral features Four-channel event system Five 16-bit timer/counters Four timer/counters with four output compare or input capture channels One timer/counter with two output compare or input capture channels High resolution extension on two 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 Three USARTs with IrDA support for one USART 2 Two two-wire interfaces with dual address match (I C and SMBus compatible) Two serial peripheral interfaces (SPIs) CRC-16 (CRC-CCITT) and CRC-32 (IEEE 802.3) generator 16-bit real time counter (RTC) with separate oscillator One sixteen-channel, 12-bit, 300ksps Analog to Digital 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 interface PDI (program and debug interface) I/O and packages 50 programmable I/O pins 64-lead TQFP 64-pad VQFN Operating voltage 1.6 3.6V Operating frequency 0 12MHz from 1.6V 0 32MHz from 2.7V Atmel-8492G-AVR-ATxmega32C3-64C3-128C3-192C3-256C3-Datasheet11/20141. Ordering Information Flash EEPROM SRAM Speed Power Package (1)(2)(3) Ordering code bytes bytes bytes MHz supply Temp. ATxmega256C3-AU 256K + 8K 4K 16K (4) ATxmega256C3-AUR 256K + 8K 4K 16K ATxmega192C3-AU 192K + 8K 2K 16K (4) ATxmega192C3-AUR 192K + 8K 2K 16K ATxmega128C3-AU 128K + 8K 2K 8K 64A (4) ATxmega128C3-AUR 128K + 8K 2K 8K ATxmega64C3-AU 64K + 4K 2K 4K (4) ATxmega64C3-AUR 64K + 4K 2K 4K ATxmega32C3-AU 32K + 4K 1K 4K (4) ATxmega32C3-AUR 32K + 4K 1K 4K 32 1.6 - 3.6V -40 C - 85 C ATxmega256C3-MH 256K + 8K 4K 16K (4) ATxmega256C3-MHR 256K + 8K 4K 16K ATxmega192C3-MH 192K + 8K 2K 16K (4) ATxmega192C3-MHR 192K + 8K 2K 16K ATxmega128C3-MH 128K + 8K 2K 8K 64M (4) ATxmega128C3-MHR 128K + 8K 2K 8K ATxmega64C3-MH 64K + 4K 2K 4K (4) ATxmega64C3-MHR 64K + 4K 2K 4K ATxmega32C3-MH 32K + 4K 1K 4K (4) ATxmega32C3-MHR 32K + 4K 1K 4K XMEGA C3 DATASHEET 2 Atmel-8492G-AVR-ATxmega32C3-64C3-128C3-192C3-256C3-DatasheetAVR11/2014