8/16-bit microcontroller 256KB 50I/O 32MHz 16KB AVR TQFP-64

ATxmega256A3

Features
- High-performance low-power 8/16-bit Atmel AVR microcontroller
- Non-volatile program and data memory
- 128-KB in-system self-programmable (ISP) Flash
- 8-KB boot code section with independent lock bits
- 4 KB EEPROM
- 16-KB SRAM, internal
- Peripheral functions
- Four-channel DMA controller with support for external access
- Eight-channel event system
- Seven 16-bit timer/counters
- Seven USARTs
- AES and DES cryptographic engine
- 2x two-wire interfaces with dual address (I2C and SMBus compatible)
- Three serial peripheral interfaces (SPI)
- 16-bit real-time counter with separate oscillator
- Two eight-channel, 12-bit, 2-Msps analogue-to-digital converter
- One two-channel, 12-bit, 1-Msps digital-to-analogue converter
- Four analogue comparators with window comparison function
- External interrupts on all general purpose I/O pins
- Programmable watchdog timer with separate on-chip ultra-low-power oscillator
- Special microcontroller characteristics
- Power-on-reset and programmable brown-out recognition
- Internal and external clock options with PLL
- Programmable multi-level interrupt controller
- Sleep modes: power-down standby, power-save standby, extended standby
- JTAG (IEEE 1149.1 compliant) interface for testing, debugging and programming
- PDI (program and debug interface) for programming, testing and debugging
- I/O
- 50 programmable I/O lines
- Operating voltage
- 1.6 - 3.6 V
- Speed/performance
- 0 - 12 [email protected] - 3.6 V
- 0 - 32 [email protected] - 3.6 V
Typical applications
- Industrial controls- Air conditioning- Hand-held battery applications- Factory automation- ZigBee- Power Tools- Building control technology- Motor control unit- HVAC- Board controllers- Networks- Metering- White goods- Optical applications- Medical applications -