Product Summary

High-performance, Low-power 8/16-bit AVR XMEGA Microcontroller
Non-Volatile Program and Data Memories
– 64K - 384K Bytes of In-System Self-Programmable Flash
– 4K - 8K Bytes Boot Section with Independent Lock Bits
– 2K - 4K Bytes EEPROM
– 4K - 32K Bytes Internal SRAM
External Bus Interface for up to 16M bytes SRAM
External Bus Interface for up to 128M bit SDRA

Parametrics

Peripheral Features
– Four-channel DMA Controller with support for external requests
– Eight-channel Event System
– Eight 16-bit Timer/Counters
Four Timer/Counters with 4 Output Compare or Input Capture channels
Four Timer/Counters with 2 Output Compare or Input Capture channels
High-Resolution Extension on all Timer/Counters
Advanced Waveform Extension on two Timer/Counters

Features

Eight USARTs
IrDA modulation/demodulation for one USART
– Four Two-Wire Interfaces with dual address match (I2
C and SMBus compatible)
– Four SPI (Serial Peripheral Interface) peripherals
– AES and DES Crypto Engine
– 16-bit Real Time Counter with separate Oscillator
– Two Eight-channel, 12-bit, 2 Msps Analog to Digital Converters
– Two Two-channel, 12-bit, 1 Msps Digital to Analog Converters
– Four Analog Comparators with Window compare function
– External Interrupts on all General Purpose I/O pins
– Programmable Watchdog Timer with Separate On-chip Ultra Low Power Oscillator

Diagrams

http://pdf1.alldatasheet.com/datasheet-pdf/view/241109/ATMEL/ATXMEGA128A1-AU.html

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
ATXMEGA128A1-AU
ATXMEGA128A1-AU
Atmel
8-bit Microcontrollers (MCU) 8/16 bit 1.6V-3.6V 128K + 8K Flash
Data Sheet
0-1: $6.12
1-10: $5.11
10-25: $3.84
25-100: $3.47
ATXMEGA128A1-AUR
ATXMEGA128A1-AUR
Atmel
8-bit Microcontrollers (MCU) IND 3.6V IND TEMP 1.6-3.6V
Data Sheet
0-1251: $3.49
1251-1500: $3.49