Atmel AVR XMEGA 8/16-bit High Performance Low Power Flash Microcontrollers - Manual (Page 5)

XMEGA includes a programmable and
sampled
BOD and a low
power, CPU independent W
atch
-
dog
t
imer
.
XMEGA has flexible I/O pin configuration, sensing, and wake-up
signaling plus p
rogrammable
m
ulti
-
level
i
nterrupt
Controller
- Internal 32 kHz, 2 MHz, 32 MHz + PLL
- 1% accuracy
- External oscillator or clock input
- Dynamic and safe clock switching
- 1x - 2048x prescaling
- Short wake-up from sleep modes
- FAST and SECURE!
- Up to 384 KB FLASH
- Up to 4 KB EEPROM
- Up to 32 KB SRAM
- 12-bit resolution
- 2 Msps ADC
- 1 Msps DAC
- a
nalog
c
omparator
- USART + SPI + Two-Wire Interface (I2C compatible)
- External Bus Interface
- Debugging/Programming