ATXMEGA128A3U-AU

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ATXMEGA128A3U-AU

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IC MCU 8/16BIT 128KB FLSH 64TQFP

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Spezifikationen

Attribut Wert
Package Bulk
Series AVR® XMEGA® A3U
ProductStatus Active
CoreProcessor AVR
CoreSize 8/16-Bit
Speed 32MHz
Connectivity I²C, IrDA, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
NumberofI/O 50
ProgramMemorySize 128KB (64K x 16)
ProgramMemoryType FLASH
EEPROMSize 2K x 8
RAMSize 8K x 8
Voltage-Supply(Vcc/Vdd) 1.6V ~ 3.6V
DataConverters A/D 16x12b; D/A 2x12b
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 64-TQFP

Übersicht

Equivalent

Equivalent alternatives to the ATXMEGA128A3U-AU include:
- ATXMEGA128A4U-AU (similar specs, different package).
- ATXMEGA128A1U-AU (slightly fewer peripherals).
- ATXMEGA128D3-AU (older, no USB).
- SAM D21 (ARM-based, from Microchip).
For pin-compatible replacements, verify specs on Microchip’s website.

Features

The ATXMEGA128A3U-AU is an 8/16-bit AVR microcontroller with these key features:
- CPU: 32 MHz max, 1.55 DMIPS/MHz
- Flash: 128 KB, SRAM: 8 KB, EEPROM: 2 KB
- Peripherals:
- USB 2.0 Full-Speed (12 Mbps) with embedded PHY
- 4x USART, 2x SPI, 2x TWI (I²C)
- 16-bit ADC (12 ch, 2 Msps), 12-bit DAC (2 ch)
- 4x 16-bit timers, RTC, DMA controller
- I/O: 50 GPIOs, 5V-tolerant inputs
- Packaging: 64-pin TQFP (AU)
- Power: 1.6–3.6V, ultra-low-power sleep modes
Ideal for embedded USB applications, data logging, and real-time control.

Manufacturer

The ATXMEGA128A3U-AU is manufactured by Microchip Technology, a leading American semiconductor company. Microchip specializes in microcontrollers, mixed-signal, analog, and Flash-IP solutions. Known for its PIC and AVR microcontroller families, the company serves industries like automotive, industrial, consumer electronics, and IoT. Microchip acquired Atmel in 2016, inheriting the AVR-based XMEGA line, which includes this model. The company is recognized for robust, low-power embedded solutions.

Application

The ATXMEGA128A3U-AU is a high-performance 8/16-bit microcontroller from Microchip, ideal for applications requiring robust processing, connectivity, and low power. Key areas include:
- Industrial Automation: Control systems, sensors, and motor control.
- Consumer Electronics: Smart devices, wearables, and home automation.
- Embedded Systems: Data logging, real-time monitoring, and IoT edge nodes.
- Automotive: Infotainment, diagnostics, and auxiliary control.
- Medical Devices: Portable health monitors and diagnostic tools.
- Communication: USB-enabled devices (thanks to built-in USB support).
Its features (128KB Flash, 32MHz operation, ADC/DAC, DMA) make it suitable for complex, power-efficient designs.

Package

The ATXMEGA128A3U-AU comes in a TQFP-64 package. This is a 64-pin Thin Quad Flat Package with a body size of 10x10mm and a 0.5mm pin pitch. It is surface-mountable, suitable for compact PCB designs, and provides reliable electrical connections for high-performance embedded applications.

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