Microchip Technology ATXMEGA256A3B-AU

Features

• High-performance, Low-power AVR 8/16-bit XMEGA Microcontroller
• Non-volatile Program and Data Memories
– 256 KB of In-System Self-Programmable Flash
– 8 KB Boot Code Section with Independent Lock Bits
– 4 KB EEPROM
– 16 KB Internal SRAM
• Peripheral Features
– Four-channel DMA Controller with support for external requests
– Eight-channel Event System
– Seven 16-bit Timer/Counters
Four Timer/Counters with 4 Output Compare or Input Capture channels
Three Timer/Counters with 2 Output Compare or Input Capture channels
High-Resolution Extension on all Timer/Counters
Advanced Waveform Extension on one Timer/Counter
– Six USARTs
IrDA modulation/demodulation for one USART
– Two Two-Wire Interfaces with dual address match (I2C and SMBus compatible)
– Two SPI (Serial Peripheral Interface) peripherals
– AES and DES Crypto Engine
– 32-bit Real Time Counter with separate Oscillator and Battery Backup System
– Two Eight-channel, 12-bit, 2 Msps Analog to Digital Converters
– One 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
• Special Microcontroller Features
– Power-on Reset and Programmable Brown-out Detection
– Internal and External Clock Options with PLL
– Programmable Multi-level Interrupt Controller
– Sleep Modes: Idle, Power-down, Standby, Power-save, Extended Standby
– Advanced Programming, Test and Debugging Interfaces
JTAG (IEEE 1149.1 Compliant) Interface for test, debug and programming
PDI (Program and Debug Interface) for programming and debugging
• I/O and Packages
– 49 Programmable I/O Lines
– 64-lead TQFP
– 64-pad QFN/MLF
• Operating Voltage
– 1.6 – 3.6V
• Speed performance
– 0 – 12 MHz @ 1.6 – 3.6V
– 0 – 32 MHz @ 2.7 – 3.6V

Typical Applications

• Industrial control
• Factory automation
• Building control
• Board control
• White Goods
• Climate control
• ZigBee
• Motor control
• Networking
• Optical
• Hand-held battery applications
• Power tools
• HVAC
• Metering
• Medical Applications