Microchip Technology

ATXMEGA256A3U-AUR  

Microcontrollers

The ATXMEGA256A3U-AUR is a microcontroller unit (MCU) manufactured by Microchip Technology. It belongs to the AVR XMEGA family of MCUs, which are known for their high performance, low power consumption, and advanced peripheral features.

Description:

The ATXMEGA256A3U-AUR is a 256KB flash, 40KB SRAM, and 4KB EEPROM ATXMEGA256A3U microcontroller in a QFN64 package. It operates at a frequency of up to 32 MHz and has a wide operating voltage range of 1.8V to 5.5V. The device features an integrated 10/100 Ethernet PHY, USB interface, and various communication interfaces such as SPI, USART, and I2C.

Features:

1. 256KB on-chip flash memory with read-while-write capability
2. 40KB SRAM and 4KB EEPROM for data storage
3. 32MHz internal oscillator with calibration
4. QFN64 package with 64 I/O pins
5. Integrated 10/100 Ethernet PHY with energy detection and IEEE 1588 support
6. USB 2.0 high-speed interface with integrated PHY
7. Advanced communication interfaces: SPI, USART, and I2C
8. 34 general-purpose I/O lines with various digital and analog functions
9. Event system for efficient inter-peripheral communication
10. Flexible clock system with low-power sleep modes
11. On-chip debugging and programming support with JTAG and SPI

Applications:

The ATXMEGA256A3U-AUR is suitable for a wide range of applications due to its high performance, advanced features, and low power consumption. Some potential applications include:

1. Industrial control systems and automation
2. Networking devices and IoT gateways
3. Medical devices and equipment
4. Smart home and building automation systems
5. Energy management and monitoring systems
6. Motor control and power conversion applications
7. Data acquisition and signal processing systems
8. Embedded systems requiring high-speed data communication and processing capabilities

The ATXMEGA256A3U-AUR's combination of memory, performance, and peripheral features make it a versatile choice for developers looking to create efficient and powerful embedded systems.

ATXMEGA256A3U-AUR Documents

Download datasheets and manufacturer documentation for ATXMEGA256A3U-AUR

PCN Assembly/Origin :

ATXMEGA1xx 24/Nov/2023      

Datasheets :

ATxmegazzzA3U Datasheet      

PCN Packaging :

MBB/Label Chgs 16/Nov/2018       Carrier Tape 05/Feb/2021      

Manuals :

XMEGA AU Manual      

Design Resources :

ATxmega256A3U Development Tool Selector      

PCN Design/Specification :

Marking Chgs 11/Jul/2017      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH