ATXMEGA256D3-AU

ATMEL  ATXMEGA256D3-AU  微控制器, 8位, 低功率高性能, ATxmega, 32 MHz, 256 KB, 16 KB, 64 引脚, TQFP

The is a 8-bit high-performance low-power AVR XMEGA Microcontroller combines 256kB ISP flash memory 8kB boot code section with read-while-write capabilities, 4kB EEPROM, 16kB SRAM, a four-channel event system, a programmable multi-level interrupt controller, 50 general purpose I/O lines, a 16-bit real time counter, five flexible 16-bit timer/counters with compare modes and PWM, three USARTs, two 2-wire interfaces, two serial peripheral interfaces, one 16-channel/12-bit A/D converter with optional differential input with programmable gain, two analogue comparators with window mode, a programmable watchdog timer with separate internal oscillator, accurate internal oscillators with PLL and prescaler and a programmable brown-out detection. The Program and Debug Interface PDI, a fast 2-pin interface for programming and debugging, is available.

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Non-volatile program and data memories

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Peripheral features - Four-channel event system, five 16-bit timer/counters

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Power-on reset POR and programmable brown-out detection

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Internal and external clock options with PLL and prescaler

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Programmable multilevel interrupt controller

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Five sleep modes

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Programming and debug interface

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PDI Program and Debug Interface