میکروکنترلر ATXmega128A1U

Features
High-performance, low-power AVR® XMEGA® 8/16-bit Microcontroller
Nonvolatile program and data memories
64K - 128KBytes of in-system self-programmable flash
4K - 8KBytes boot section
2KBytes EEPROM
4K - 8KBytes internal SRAM
External bus interface for up to 16Mbytes SRAM
External bus interface for up to 128Mbit SDRAM
Peripheral features
Four-channel DMA controller
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 (AWeX) on two timer/counters
One USB device interface
USB 2.0 full speed (12Mbps) and low speed (1.5Mbps) device compliant
32 Endpoints with full configuration flexibility
Eight USARTs with IrDA support for one USART
Four two-wire interfaces with dual address match (I2C and SMBus compatible)
Four serial peripheral interfaces (SPIs)
AES and DES crypto engine
CRC-16 (CRC-CCITT) and CRC-32 (IEEE® 802.3) generator
16-bit real time counter (RTC) with separate oscillator
Two sixteen channel, 12-bit, 2msps Analog to Digital Converters
Two Two-channel, 12-bit, 1msps Digital to Analog Converters
Four Analog Comparators (ACs) with window compare function, and current sources
 External interrupts on all general purpose I/O pin
Programmable watchdog timer with separate on-chip ultra low power oscillator
QTouch® library support
Capacitive touch buttons, sliders and wheels
Special microcontroller features
Power-on reset and programmable brown-out detection
Internal and external clock options with PLL and prescaler
Programmable multilevel interrupt controller
Five sleep modes
Programming and debug interfaces
JTAG (IEEE 1149.1 compliant) interface, including boundary scan
PDI (Program and Debug Interface)
I/O and packages
78 Programmable I/O pins
100 lead TQFP
100 ball BGA
100 ball VFBGA
Operating voltage
1.6 – 3.6V
0 – 32MHz from 2.7V