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Microchip ATxmega256A3U Microcontroller ATXMEGA256A3U-AU, 16-bit AVR, 32 MHz, 256kB FLASH, 64-Pin TQFP
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 1.05mm |
| Length | 14.1mm |
| Model | ATXMEGA256A3U-AU |
| Width | 14.1mm |
| Mount Type | Surface |
| Series | ATxmega256A3U |
| Maximum Operating Temperature | 85°C |
| Package Type | TQFP |
| Minimum Operating Temperature | -40°C |
| Ram size | 16kB |
| Interface Type | USART, PDI, SPI, TWI |
| Standards/Approvals | RoHS |
| Pin Count | 64 |
| Maximum Supply Voltage | 3.6V |
| Minimum Supply Voltage | 1.6V |
| Device Core | AVR |
| Program Memory Size | 256kB |
| Maximum Clock Frequency | 32MHz |
| Number of Programmable I/Os | 50 |
| Analogue Comparators | 4 |
| Number of Timers | 1 |
| Instruction Set Architecture | RISC |
| ADCs | 16 x 12 Bit |
| Program Memory Type | FLASH |
| DACs | 2 x 12 Bit |
Key Features
- Employs advanced AVR XMEGA architecture for superior real-time performance and low power consumption.
- Features 16-bit data bus, 32 MHz maximum clock frequency, and 256kB FLASH program memory for demanding embedded applications.
- Supports versatile interfaces including USART, PDI, SPI, and TWI for flexible peripheral connectivity.
- Includes 16 ADC channels (12 bit), 2 DACs (12 bit), and 4 analogue comparators for robust signal processing and control.
- Offers 1.6 - 3.6V supply voltage operating range and -40°C to 85°C temperature tolerance, suitable for industrial environments.
- Provides 64-pin TQFP surface-mount packaging, enabling efficient PCB design and assembly.
- RoHS compliant and supports up to 50 programmable I/O pins for extensive interfacing options.
- Integrated DMA controller and event system, optimizing CPU utilization and peripheral interactions.
Product Description
The Microchip ATXMEGA256A3U-AU is a high-performance 16-bit AVR microcontroller engineered for advanced embedded and industrial applications, delivering robust computational speed and extensive memory resources. With a maximum clock frequency of 32 MHz and a generous 256kB FLASH program memory, this device is designed for demanding tasks requiring rapid processing and data storage.
Utilizing AVR XMEGA architecture, the ATXMEGA256A3U-AU ensures real-time control, high integration, and efficient power consumption. The CPU features a single-cycle execution for arithmetic and logic operations, facilitating near 1MIPS per MHz and supporting complex 8-, 16-, and 32-bit operations. Its fast-access register file is directly coupled with the arithmetic logic unit for optimal performance.
This microcontroller is housed in a 64-pin TQFP surface-mount package, offering a data bus width of 16 bits and RAM capacity of 16kB. Its program memory type is FLASH, and the device core is AVR, making it compatible with a wide range of developer toolchains and applications.
Connectivity and versatility are ensured via integrated interfaces including USART, PDI, SPI, and TWI, supporting flexible integration into various systems. The microcontroller provides 50 programmable I/O pins, enhancing interfacing options for external peripherals and sensors.
For advanced signal processing, the ATXMEGA256A3U-AU features 16 ADC channels (12 bit), 2 DACs (12 bit), and 4 analogue comparators. Integrated timers and a sophisticated event system facilitate predictable response times across peripherals while reducing CPU overhead - critical for industrial and real-time applications.
The device operates across a supply voltage range of 1.6V to 3.6V and is functional at environmental extremes between -40°C and 85°C. Its RoHS compliance ensures adherence to stringent environmental standards.
Industry use spans industrial controls, research instrumentation, process monitoring, custom electronics, and IoT edge devices, thanks to its powerful feature set, reliable operation, and flexible connectivity.
Explore more Microchip Microcontrollers and AVR solutions on EnvMart for reliable embedded electronics and industrial semiconductor applications.
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Frequently Asked Questions
The maximum clock frequency of this microcontroller is 32 MHz.
It features a program memory size of 256kB FLASH.
This microcontroller supports up to 50 programmable I/O pins.
It includes USART, PDI, SPI, and TWI interfaces for flexible peripheral connectivity.
The operating temperature range is from -40°C to 85°C.
It operates within a supply voltage range of 1.6V to 3.6V.
The RAM size of the ATXMEGA256A3U-AU is 16kB.
This model comes in a 64-pin TQFP surface-mount package.
It features 16 ADC channels, each with a resolution of 12 bits.
This model includes 2 DACs (12 bit) and 4 analogue comparators for advanced signal processing.
Yes, it is RoHS compliant, adhering to stringent environmental standards.
The height of this microcontroller is 1.05 mm.
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