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Microchip ATXMEGA128A4U-AU 16-bit AVR Microcontroller 32 MHz 128kB Flash 44-Pin TQFP
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 1.05mm |
| Length | 10.1mm |
| Model | ATXMEGA128A4U-AU |
| Width | 10.1mm |
| Mount Type | Surface |
| Series | ATXMEGA128A4U |
| Maximum Operating Temperature | 85°C |
| Package Type | TQFP |
| Minimum Operating Temperature | -40°C |
| Ram size | 8kB |
| Interface Type | PDI, SPI, TWI, USART, USB |
| Standards/Approvals | RoHS |
| Pin Count | 44 |
| Maximum Supply Voltage | 3.6V |
| Minimum Supply Voltage | 1.6V |
| Device Core | AVR |
| Program Memory Size | 128kB |
| Maximum Clock Frequency | 32MHz |
| Number of Programmable I/Os | 34 |
| Analogue Comparators | 2 |
| Number of Timers | 1 |
| Instruction Set Architecture | RISC |
| ADCs | 11 x 12 Bit |
| Program Memory Type | FLASH |
| DACs | 2 x 12 Bit |
Key Features
- Integration of 16-bit AVR core for high-performance operation.
- 128kB Flash program memory allows robust code storage.
- Operates at up to 32 MHz for demanding timing requirements.
- Surface-mount TQFP package with 44 pins for PCB assembly.
- Wide operating voltage range from 1.6V to 3.6V.
- Includes 8kB RAM, 11-channel ADCs, and two 12-bit DACs for versatile analog interfacing.
- Event system and DMA controller for real-time peripheral response.
- RoHS-compliant, suitable for environmentally conscious designs.
Product Description
The Microchip ATXMEGA128A4U-AU is a 16-bit AVR microcontroller designed for complex embedded systems requiring high integration, speed, and flexibility. Its 32 MHz clock frequency makes it suitable for real-time control applications in industrial, laboratory, and automation systems.
This microcontroller provides 128kB of Flash program memory for substantial embedded firmware, complemented by 8kB RAM for data processing. It features a rich set of analog peripherals, including eleven 12-bit ADC channels and two 12-bit DACs, ideal for sensor interfacing and mixed-signal applications.
Its versatile connectivity is achieved through multiple interfaces: PDI for programming/debugging, SPI and TWI for peripheral communication, USART and USB for external device connection. This makes the device especially effective in industrial controllers, lab instrumentation, networking modules, and process automation.
The device's event system ensures fast inter-peripheral signaling, facilitating predictably timed operations and minimizing interrupt overhead. The integrated DMA controller further accelerates memory and peripheral data transfers, supporting rapid task switching and parallel operations.
Designed for robust operation, it offers a temperature range from -40°C to 85°C, making it suitable for both commercial and industrial environments. The device is RoHS-compliant, meeting global environmental standards.
Common use cases include industrial automation controllers, scientific instruments, signal acquisition and processing boards, embedded sensor hubs, laboratory equipment, and demanding commercial products requiring high-speed computation and connectivity.
Explore more Microcontrollers and advanced embedded solutions from Microchip in the EnvMart electronics category.
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Frequently Asked Questions
The maximum clock frequency of this microcontroller is 32 MHz, making it suitable for demanding timing requirements in embedded applications.
It features 128kB of Flash program memory, allowing for substantial embedded firmware storage.
This microcontroller operates within a voltage range of 1.6V to 3.6V.
The ATXMEGA128A4U-AU includes eleven 12-bit ADC channels for versatile analog interfacing.
This model has a height of 1.05mm, a length of 10.1mm, and a width of 10.1mm, packaged in a TQFP format with 44 pins.
It supports multiple interfaces including PDI, SPI, TWI, USART, and USB for various peripheral communications.
This microcontroller has an 8kB RAM size for data processing tasks.
The operating temperature range for the ATXMEGA128A4U-AU is from -40°C to 85°C, suitable for both commercial and industrial environments.
It features 34 programmable I/Os, allowing for flexible interfacing with external components.
The ATXMEGA128A4U-AU includes two 12-bit DACs for analog output applications.
Yes, this microcontroller is RoHS-compliant, meeting global environmental standards.
This microcontroller is based on the AVR architecture, specifically a 16-bit core designed for high-performance operation.
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