Datasheet > ATXMEGA256A3U-MHR

ATXMEGA256A3U-MHR

更新时间： 2024-01-17 01:35:44

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美国微芯 - MICROCHIP		/
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337页	23274K
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ATXMEGA256A3U-MHR 数据手册

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8/16-bit Atmel XMEGA A3U Microcontroller

ATxmega256A3U / ATxmega192A3U /

ATxmega128A3U / ATxmega64A3U

DATASHEET

Features

z High-performance, low-power Atmel^®AVR^®XMEGA^®8/16-bit Microcontroller

z Nonvolatile program and data memories

64K - 256KBytes of in-system self-programmable flash

4K - 8KBytes boot section

2K - 4KBytes EEPROM

4K - 16KBytes internal SRAM

z Peripheral features

Four-channel DMA controller

Eight-channel event system

Seven 16-bit timer/counters

z Four timer/counters with four output compare or input capture channels

z Three timer/counters with two output compare or input capture channels

z High resolution extension on all timer/counters

z Advanced waveform extension (AWeX) on one timer/counter

One USB device interface

z USB 2.0 full speed (12Mbps) and low speed (1.5Mbps) device compliant

z 32 Endpoints with full configuration flexibility

Seven USARTs with IrDA support for one USART

Two two-wire interfaces with dual address match (I²C and SMBus compatible)

Three 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

One two-channel, 12-bit, 1msps Digital to Analog Converter

Four Analog Comparators with window compare function, and current

sources

External interrupts on all general purpose I/O pins

Programmable watchdog timer with separate on-chip ultra low power

oscillator

QTouch^®library support

z Capacitive touch buttons, sliders and wheels

z 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

Atmel-8386E-AVR-XMEGA A3U-Datasheet_09/2014

12 3 4 5 6 7...337

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