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Microchip 16-bit AVR Microcontroller, 32 MHz, 256kB Flash, 64-Pin TQFP, Surface Mount ATXMEGA256A3BU-AU
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 1.05mm |
| Length | 14.1mm |
| Model | ATXMEGA256A3BU-AU |
| Width | 14.1mm |
| Mount Type | Surface |
| Series | ATxmega256A3BU |
| Maximum Operating Temperature | 85°C |
| Package Type | TQFP |
| Minimum Operating Temperature | -40°C |
| Ram size | 16kB |
| Interface Type | PDI, SPI, TWI, USART |
| Architecture | RISC |
| 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 | 47 |
| 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
- 16-bit AVR core with advanced RISC architecture for efficient processing.
- Maximum clock frequency of 32 MHz enables high-speed operation.
- 256kB Flash program memory and 16kB RAM for data storage.
- Supports multiple interfaces including PDI, SPI, TWI, and USART.
- Surface mount package (TQFP) with 64 pins ideal for compact PCB designs.
- Wide operating voltage range from 1.6 V to 3.6 V for flexible applications.
- Integrated 16 × 12 bit ADCs and 2 × 12 bit DACs for robust analog signal handling.
- Event System and DMA controller for real-time, CPU-independent operation.
Product Description
The Microchip ATXMEGA256A3BU-AU microcontroller is a high-performance, 16-bit AVR device engineered for demanding embedded and industrial applications. It integrates a powerful RISC architecture that supports single-cycle arithmetic and logical operations, delivering performance close to 1MIPS per MHz.
Running at a maximum clock frequency of 32 MHz, this microcontroller offers 256kB flash program memory paired with 16kB RAM, enabling extensive code and data storage for complex designs. It is housed in a surface-mount 64-pin TQFP package, making it ideal for dense and space-efficient PCB layouts in advanced electronics.
The ATXMEGA256A3BU-AU features robust connectivity support with PDI, SPI, TWI, and USART interfaces, allowing integration with a wide range of peripherals and external devices. Analog signal processing is facilitated by 16 × 12 bit ADCs, 2 × 12 bit DACs, and 4 analog comparators, making this device suitable for multi-channel sensor and control applications.
Advanced control and data handling are ensured by an integrated Event System and a 4-channel DMA controller. This enables real-time inter-peripheral signaling and fast, CPU-independent memory transfers, optimizing system performance and responsiveness in automation, instrumentation, and other industrial environments.
The microcontroller supports a wide operating voltage range from 1.6 V to 3.6 V and operates reliably over temperatures from -40°C up to 85°C, meeting the requirements of harsh manufacturing, laboratory, and field conditions. Its memory types include FLASH for program storage and RISC instruction set architecture for streamlined code execution.
This product is RoHS compliant, meets international standards, and is suitable for industrial, laboratory, commercial, embedded, and automotive electronics projects. The surface-mount TQFP form factor promotes design flexibility and ease of assembly.
16-bit AVR core with high integration and single-cycle performance for demanding embedded tasks. 32 MHz maximum clock frequency supports fast execution of control loops and algorithms. Extensive memory: 256kB Flash and 16kB RAM accommodate complex firmware and real-time processing.
Multiple standard interfaces (PDI, SPI, TWI, USART) enable broad peripheral support. Advanced analog capabilities through 16-channel ADCs and dual 12-bit DACs. Event System and DMA controller ensure predictable, real-time inter-peripheral communication and data transfer.
Temperature and voltage ranges match industrial requirements.
The Microchip ATXMEGA256A3BU-AU is a preferred choice for engineers designing advanced industrial, laboratory, scientific, and commercial systems. Explore more Microcontrollers and AVR solutions from Microchip at EnvMart.
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Frequently Asked Questions
The maximum clock frequency of the ATXMEGA256A3BU-AU microcontroller is 32 MHz, enabling high-speed operation for demanding applications.
This model features a program memory size of 256kB, allowing for extensive code storage for complex designs.
It supports multiple interfaces including PDI, SPI, TWI, and USART, facilitating integration with a wide range of peripherals.
The operating voltage range for this microcontroller is from 1.6 V to 3.6 V, providing flexibility for various applications.
This microcontroller has a RAM size of 16kB, which is suitable for data storage in embedded applications.
The dimensions of this microcontroller are 14.1mm in length and width, with a height of 1.05mm.
It operates reliably over a temperature range from -40°C to 85°C, making it suitable for harsh environments.
The ATXMEGA256A3BU-AU is equipped with 16 ADCs (12-bit) and 2 DACs (12-bit) for robust analog signal handling.
This microcontroller has a pin count of 64, housed in a surface-mount TQFP package, ideal for compact PCB designs.
It uses a 16-bit AVR architecture with a RISC instruction set, allowing for efficient processing and performance.
The ATXMEGA256A3BU-AU is RoHS compliant, meeting international standards for environmental safety.
The maximum supply voltage for the ATXMEGA256A3BU-AU is 3.6V, ensuring compatibility with various power sources.
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