ATXMEGA256A3BU-AU

Program Memory Type:	FLASH
Base Part Number:	ATXMEGA256
Supplier Device Package:	64-TQFP (14x14)
Package / Case:	64-TQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 16x12b; D/A 2x12b
Voltage - Supply (Vcc/Vdd):	1.6 V ~ 3.6 V
RAM Size:	16K x 8
EEPROM Size:	4K x 8
Series:	AVR® XMEGA® A3BU
Program Memory Size:	256KB (128K x 16)
Number of I/O:	47
Peripherals:	Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity:	I²C, IrDA, SPI, UART/USART, USB
Speed:	32MHz
Core Size:	8/16-Bit
Core Processor:	AVR
Part Status:	Active
Packaging:	Tray

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A Brief Introduction to ATXMEGA256A3BU-AU Applications and Operating Principles

ATXMEGA256A3BU-AU is an 8-bit CMOS microcontroller, which is widely used in embedded applications. It is designed for high performance applications and provides a wide range of features and functions for embedded use. This microcontroller is ideal for developing various types of embedded systems, including robotics, automotive systems, and medical devices.

Features of ATXMEGA256A3BU-AU

ATXMEGA256A3BU-AU microcontroller offers on-chip integrated peripherals, such as an advanced 8-bit timer, a 10-bit analog-to-digital converter, two UARTs (universal asynchronous receiver/transmitter), an SPI (Serial Peripheral Interface) and an I2C (Inter Integrated Circuit). Its rich set of features and low power consumption makes it an ideal choice for many embedded applications.

Applications of ATXMEGA256A3BU-AU

ATXMEGA256A3BU-AU is widely used in embedded applications, including automotive systems, robotics and medical devices. Its on-chip integrated peripherals make it an ideal choice for developing various types of embedded systems. It is also suitable for home automation systems, industrial automation, and security systems.

Working Principle of ATXMEGA256A3BU-AU

ATXMEGA256A3BU-AU is a high performance 8-bit CMOS microcontroller. The microcontroller is based on a Harvard architecture, which consists of separate memory blocks (code and data) and an set of on-chip peripherals. It follows Von Neumann architecture, where the memory stores program instruction used to execute tasks.The 8-bit microcontroller can store up to 16MiB of program code and 4MiB of data. The microcontroller runs programs stored in internal memory. It also provides input/output (I/O) pins and ports to connect peripherals. The program instructions are stored in the internal Flash memory, while the data is stored in the RAM.

ATXMEGA256A3BU-AU Main Modules

ATXMEGA256A3BU-AU microcontroller consists of the following main modules:

• CPU core
• Inter-integrated circuit (I2C)
• Serial Peripheral interface (SPI)
• Two Universal Asynchronous Receiver/Transmitter (UART)
• Inter-integrated Circuit Bus (I2CB)
• Analog-to-Digital Converter (ADC)
• Advanced 8-bit timer

The CPU core is responsible for executing instructions and controlling peripherals. It is powerful enough to handle high speed data transfer, as well as many demanding tasks. The I2C bus allows for connecting various peripheral devices, such as accelerometers and gyroscopes. The SPI bus provides an alternative to the I2C, and is used to communicate between multiple devices.The UARTs provide high speed serial communication with peripheral components. It is also used to interface with external devices via UART bridging. The ADC module converts analog signals into digital form, and the 8-bit timer is used for generating time signals, or triggering the execution of specific tasks.

Conclusion

ATXMEGA256A3BU-AU is an 8-bit microcontroller which provides a wide range of features suitable for embedded systems. Its on-chip integrated peripherals, such as two UARTs, SPI, I2C, ADC and advanced 8-bit timer, make it an ideal choice for developing embedded systems. Its low power consumption and wide applications, make it an ideal choice for many embedded projects.

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