The high-performance, low-power 8/16-bit AVR XMEGA microcontroller combines 192KB in-system programmable flash memory (8KB boot code section) with read-while-write capabilities, 2KB EEPROM, 16KB SRAM, a four-channel event system, a programmable multi-level interrupt controller, 50 general purpose I/O lines.
Atmel AVR CPU Memories DMAC - Direct memory access controller Event system System clock and clock options Power management and sleep modes System control and reset WDT - Watchdog timer Interrupts and programmable multilevel interrupt controller PORT - I/O ports TC - 16-bit timer/counters AWeX - Advanced waveform extension Hi-Res - High resolution extension RTC - Real-time counter USB - Universal serial bus interface
