規格
| 屬性 | 價值 |
| Package | Tray |
| 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 | 256KB (128K x 16) |
| ProgramMemoryType | FLASH |
| EEPROMSize | 4K x 8 |
| RAMSize | 16K 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 |
概述
Description
The ATXMEGA256A3U-AU is a high-performance 8/16-bit microcontroller from Microchip’s AVR XMEGA family. It features:
- 256KB Flash, 16KB SRAM, and 4KB EEPROM.
- 32-bit CPU (AVR® XMEGA® core) with DSP capabilities.
- USB 2.0 Full-Speed/Low-Speed support.
- 12-bit ADC, 12-bit DAC, and analog comparators.
- DMA controller for efficient data transfer.
- Event System for low-latency peripheral communication.
- 64-pin TQFP package.
Operating at up to 32MHz, it’s ideal for embedded applications requiring high-speed processing, USB connectivity, and real-time control. Common uses include industrial automation, consumer electronics, and USB-enabled devices.
Key strengths include low power consumption, rich peripherals, and enhanced security (AES encryption).
- 256KB Flash, 16KB SRAM, and 4KB EEPROM.
- 32-bit CPU (AVR® XMEGA® core) with DSP capabilities.
- USB 2.0 Full-Speed/Low-Speed support.
- 12-bit ADC, 12-bit DAC, and analog comparators.
- DMA controller for efficient data transfer.
- Event System for low-latency peripheral communication.
- 64-pin TQFP package.
Operating at up to 32MHz, it’s ideal for embedded applications requiring high-speed processing, USB connectivity, and real-time control. Common uses include industrial automation, consumer electronics, and USB-enabled devices.
Key strengths include low power consumption, rich peripherals, and enhanced security (AES encryption).
Equivalent
Equivalent alternatives to the ATXMEGA256A3U-AU include:
1. ATXMEGA256A3BU-AU (enhanced features, same pinout).
2. ATXMEGA128A3U-AU (lower memory, compatible).
3. ATXMEGA256A3U-AUR (tape & reel packaging variant).
4. SAM D21 (ARM-based, similar capabilities).
Check pin compatibility and feature requirements before substitution.
1. ATXMEGA256A3BU-AU (enhanced features, same pinout).
2. ATXMEGA128A3U-AU (lower memory, compatible).
3. ATXMEGA256A3U-AUR (tape & reel packaging variant).
4. SAM D21 (ARM-based, similar capabilities).
Check pin compatibility and feature requirements before substitution.
Features
The ATXMEGA256A3U-AU is a high-performance 8/16-bit AVR microcontroller with these key features:
- Core: 8/16-bit AVR with up to 32 MHz clock speed.
- Flash: 256 KB, EEPROM: 4 KB, SRAM: 16 KB.
- USB 2.0 Full-Speed interface with embedded PHY.
- DMA Controller for efficient data transfer.
- Peripherals:
- 4x USART, 2x SPI, 2x TWI (I²C).
- 16-bit Timers/Counters with PWM.
- 12-bit ADC (up to 2 Msps), 12-bit DAC.
- Analog Comparator, Temp Sensor.
- I/O: 50 programmable pins, 5V tolerant.
- Packaging: 64-pin TQFP (AU).
- Operating Voltage: 1.6V–3.6V.
- Debugging: PDI (Program & Debug Interface).
Ideal for USB-enabled embedded systems, industrial control, and high-speed data acquisition.
- Core: 8/16-bit AVR with up to 32 MHz clock speed.
- Flash: 256 KB, EEPROM: 4 KB, SRAM: 16 KB.
- USB 2.0 Full-Speed interface with embedded PHY.
- DMA Controller for efficient data transfer.
- Peripherals:
- 4x USART, 2x SPI, 2x TWI (I²C).
- 16-bit Timers/Counters with PWM.
- 12-bit ADC (up to 2 Msps), 12-bit DAC.
- Analog Comparator, Temp Sensor.
- I/O: 50 programmable pins, 5V tolerant.
- Packaging: 64-pin TQFP (AU).
- Operating Voltage: 1.6V–3.6V.
- Debugging: PDI (Program & Debug Interface).
Ideal for USB-enabled embedded systems, industrial control, and high-speed data acquisition.
Pinout
The ATXMEGA256A3U-AU is a 64-pin microcontroller from Microchip's AVR XMEGA family. Key features include:
- 64-pin TQFP package
- 256KB Flash, 8KB SRAM, 4KB EEPROM
- 32-bit timers, 12-bit ADC, 12-bit DAC
- USB 2.0 full-speed interface
- USART, SPI, I²C, and TWI for serial communication
- 44 programmable I/O pins (multiplexed with peripherals)
- Operating voltage: 1.6V–3.6V
Functions include embedded control, USB connectivity, and analog signal processing. Ideal for complex, low-power applications.
- 64-pin TQFP package
- 256KB Flash, 8KB SRAM, 4KB EEPROM
- 32-bit timers, 12-bit ADC, 12-bit DAC
- USB 2.0 full-speed interface
- USART, SPI, I²C, and TWI for serial communication
- 44 programmable I/O pins (multiplexed with peripherals)
- Operating voltage: 1.6V–3.6V
Functions include embedded control, USB connectivity, and analog signal processing. Ideal for complex, low-power applications.
Manufacturer
The ATXMEGA256A3U-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 (the original developer of the AVR line, including the ATXMEGA series) in 2016, integrating its products into its portfolio. The company is recognized for reliability and innovation in embedded control systems.
Application
The ATXMEGA256A3U-AU is a high-performance 8/16-bit microcontroller from Microchip, ideal for applications requiring robust processing, connectivity, and real-time control. Key areas include:
- Industrial Automation: Motor control, PLCs, and sensor interfaces.
- Consumer Electronics: Smart devices, wearables, and gaming peripherals.
- Automotive: Infotainment, diagnostics, and lighting systems.
- IoT & Wireless: Gateway nodes, edge devices (supports USB for connectivity).
- Medical Devices: Portable diagnostics and monitoring tools.
- Embedded Systems: Data logging, robotics, and power management.
Its features (256KB Flash, USB, DMA, AES encryption) make it suitable for secure, high-speed, and low-power applications.
- Industrial Automation: Motor control, PLCs, and sensor interfaces.
- Consumer Electronics: Smart devices, wearables, and gaming peripherals.
- Automotive: Infotainment, diagnostics, and lighting systems.
- IoT & Wireless: Gateway nodes, edge devices (supports USB for connectivity).
- Medical Devices: Portable diagnostics and monitoring tools.
- Embedded Systems: Data logging, robotics, and power management.
Its features (256KB Flash, USB, DMA, AES encryption) make it suitable for secure, high-speed, and low-power applications.
Package
The ATXMEGA256A3U-AU is a microcontroller from Microchip's AVR XMEGA family. It comes in a TQFP-64 package, which is a 64-pin Thin Quad Flat Pack with a body size of 10x10mm and a 0.5mm pin pitch. This surface-mount package is suitable for compact, high-density PCB designs.
