This document contains complete and detailed description of all modules included in
the AVR® XMEGA
TM
A Microcontroller family. The XMEGA A is a family of low power,
high performance and peripheral rich CMOS 8/16-bit microcontrollers based on the
AVR enhanced RISC architecture. The available XMEGA A modules described in this
manual are:
AVR CPU
Memories
DMA - 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 Multi-level Interrupt Controller
PORT - I/O Ports
TC - 16-bit Timer/Counter
AWeX - Advanced Waveform Extension
Hi-Res - High Resolution Extension
RTC - Real Time Counter
RTC32 - 32-bit Real Time Counter
TWI - Two Wire Serial Interface
SPI - Serial Peripheral Interface
USART - Universal Synchronous and Asynchronous Serial Receiver and Transmitter
IRCOM - IR Communication Module
AES and DES Crypto Engine
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
8077H- AVR-12/09
8-bit
XMEGA A
Microcontroller
XMEGA A
MANUAL
Preliminary