This document contains complete and detailed description of all modules included in
the Atmel
®
AVR
®
XMEGA
®
AU microcontroller family. The Atmel AVR XMEGA AU is a
family of low-power, high-performance, and peripheral-rich CMOS 8/16-bit microcon-
trollers based on the AVR enhanced RISC architecture. The available Atmel AVR
XMEGA AU modules described in this manual are:
•
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
•
Battery backup system
•
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
•
RTC32 - 32-bit real-time counter
•
USB - Universial serial bus interface
•
TWI - Two-wire serial interface
•
SPI - Serial peripheral interface
•
USART - Universal synchronous and asynchronous serial receiver and transmitter
•
IRCOM - Infrared communication module
•
AES and DES cryptographic engine
•
CRC - Cyclic redundancy check
•
EBI - External bus interface
•
ADC - Analog-to-digital converter
•
DAC - Digital-to-analog converter
•
AC - Analog comparator
•
IEEE 1149.1 JTAG interface
•
PDI - Program and debug interface
•
Memory programming
•
Peripheral address map
•
Register summary
•
Interrupt vector summary
•
Instruction set summary
8331B- AVR-03/12
8-bit Atmel
XMEGA AU
Microcontroller
XMEGA AU
MANUAL
