ATXMEGA32A4U-AU
The ATXMEGA32A4U-AU features a 32KB flash memory, 44-pin TQFP package, and operates on an 8-bit architecture for efficient processingATXMEGA32A4U-AU
The ATXMEGA32A4U-AU features a 32KB flash memory, 44-pin TQFP package, and operates on an 8-bit architecture for efficient processing
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Manufacturer Part # : ATXMEGA32A4U-AU
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Package/Case: TQFP-44
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Brand: Microchip Technology
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Product Categories : Microcontrollers
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Series : ATXMEGA32
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ATXMEGA32A4U-AU DataSheet

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Interested Parts
ATXMEGA32A4U-AU Details
The ATXMEGA32A4U-AU is a high-performance microcontroller from Microchip, designed for various industrial automation, consumer electronics, automotive systems, and smart energy management applications. This device features 32KB flash memory, 4KB SRAM, 1KB EEPROM, and 36 GPIO pins, making it suitable for complex control systems requiring robust performance, low power consumption, and advanced features like USB connectivity and high-speed data processing.
Pinout
- PB0-PB31: General-purpose input/output pins
- PB32-PD7: General-purpose input/output pins
- PD8-PA1: General-purpose input/output pins
- PA2-PA5: General-purpose input/output pins
- VCC: Positive power supply
- GND: Ground
(Tip: For detailed pinout information, please refer to the corresponding datasheet.)
Key Features
- 32KB Flash Memory: Provides ample storage for program code and data
- 4KB SRAM: Offers sufficient memory for temporary data storage and processing
- 1KB EEPROM: Enables non-volatile data storage and preservation during power cycles
- 36 GPIO Pins: Provides a wide range of input/output options for system control and communication
- USB Connectivity: Supports high-speed data transfer and device connectivity
Applications
The ATXMEGA32A4U-AU is suitable for various applications, including:
- Industrial automation systems requiring complex control and processing
- Consumer electronics devices demanding high-performance processing and connectivity
- Automotive systems needing robust processing and data storage capabilities
- Smart energy management systems requiring efficient data processing and communication
Where to Use
The ATXMEGA32A4U-AU is ideal for applications that require:
- High-performance processing and data storage capabilities
- Robust connectivity options, including USB
- Low power consumption for extended battery life or reduced heat generation
- Advanced features like high-speed data transfer and device connectivity
How to Use
To use the ATXMEGA32A4U-AU, follow these steps:
- Connect the microcontroller to your system's power supply and ground
- Configure the GPIO pins according to your application's requirements
- Program the microcontroller with your desired code using a compatible development tool
- Test and verify the functionality of your system
Application Circuit
The application circuit diagram for the ATXMEGA32A4U-AU illustrates how to connect the microcontroller to various components, including sensors, actuators, and communication interfaces. It provides a comprehensive overview of the device's pinouts and connections.
(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)
Equivalents
- ATmega32A4U-AU: A similar microcontroller from Microchip offering comparable features and performance
- STM32F103RET6: An alternative microcontroller from STMicroelectronics with equivalent functionality
Complementary
The ATXMEGA32A4U-AU can be complemented by other Microchip devices, such as:
- 24AA02E48: A serial EEPROM memory device for non-volatile data storage
- MAX3232ESE+: A high-speed RS-232 transceiver for serial communication
When selecting complementary devices, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.
Frequently Asked Questions
Q: What is the maximum clock speed supported by the ATXMEGA32A4U-AU?
A: The ATXMEGA32A4U-AU supports a maximum clock speed of 16 MHz.
Q: Can the ATXMEGA32A4U-AU be used in automotive systems?
A: Yes, the ATXMEGA32A4U-AU is suitable for automotive systems requiring robust processing and data storage capabilities.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category ! | 8-bit Microcontrollers - MCU | RoHS | Details |
Core | AVR | Program Memory Size | 32 kB |
Data RAM Size | 4 kB | Package / Case | TQFP-44 |
Maximum Clock Frequency | 32 MHz | ADC Resolution | 12 bit |
Number of I/Os | 34 I/O | Supply Voltage - Min | 1.6 V |
Supply Voltage - Max | 3.6 V | Mounting Style | SMD/SMT |
Data Bus Width | 8 bit/16 bit | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature ! | + 85 C | Series | XMEGA A4U |
Brand | Microchip Technology | Moisture Sensitive | Yes |
Number of Timers/Counters | 5 Timer | Processor Series | AVR XMEGA |
Product | MCUs | Product Type ! | 8-bit Microcontrollers - MCU |
Factory Pack Quantity | 160 | Subcategory | Microcontrollers - MCU |
Tradename | XMEGA | Unit Weight | 0.059049 oz |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is ATXMEGA32A4U-AU?
The ATXMEGA32A4U-AU is a high-performance, low-power microcontroller from Microchip Technology. It belongs to the XMEGA A4U series and is designed for a wide range of applications in industrial control, wireless communication, automotive systems, and consumer electronics.
How Does ATXMEGA32A4U-AU Work?
The ATXMEGA32A4U-AU operates as a versatile microcontroller with advanced features including a high-performance 8/16-bit CPU, a wide range of communication interfaces, and flexible peripheral functions. It uses low-power consumption techniques to optimize energy efficiency in battery-powered applications.
How Many Pins does ATXMEGA32A4U-AU have and What are the Functions of the Pinout Configuration?
The ATXMEGA32A4U-AU is housed in a 44-lead QFP (Quad Flat Package) package. The pinout configuration includes:
- VCC: Power supply pin.
- GND: Ground pin.
- RESET: Reset input pin.
- XTAL1, XTAL2: Crystal oscillator input and output pins.
- PORTx: General-purpose I/O pins (x varies based on port number).
- USARTx: USART communication interface pins (x denotes the USART module number).
- ADCx: Analog-to-digital converter input pins (x represents the ADC channel number).
What are the Pros and Cons of ATXMEGA32A4U-AU?
Pros:
- High Performance: Features a high-performance CPU with advanced peripherals for demanding applications.
- Low Power Consumption: Incorporates power-saving modes for energy-efficient operation.
- Rich Peripheral Set: Offers a wide range of communication interfaces and flexible I/O options for diverse applications.
- Enhanced Security Features: Includes security mechanisms to protect firmware and data.
Cons:
- Complexity: The advanced features may require a learning curve for inexperienced users.
- Cost: Higher performance often comes with a higher price tag compared to simpler microcontrollers.
- Pin Count: The 44-lead QFP package may limit the number of available I/O pins for some designs.
Are There Any Equivalents/Alternatives to ATXMEGA32A4U-AU for Recommendation?
- The ATmega32U4 from Microchip Technology is a comparable microcontroller with USB connectivity.
- Alternatives to the ATXMEGA32A4U-AU include the STM32F4 series from STMicroelectronics and the PIC32 series from Microchip.
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Price details
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