Part Number: ATXMEGA32E5-MUR

Manufacturer: Microchip Technology

Description: IC MCU 8/16BIT 32KB FLASH 32QFN

Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of ATXMEGA32E5-MUR

Datasheet  ATXMEGA32E5-MUR datasheet
Category Integrated Circuits (ICs)
Family Embedded – Microcontrollers
Manufacturer Atmel
Series AVR? XMEGA? E5
Packaging Tape & Reel (TR)
Part Status Active
Core Processor AVR
Core Size 8/16-Bit
Speed 32MHz
Connectivity I2C, IrDA, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O 26
Program Memory Size 32KB (16K x 16)
Program Memory Type FLASH
EEPROM Size 1K x 8
RAM Size 4K x 8
Voltage – Supply (Vcc/Vdd) 1.6 V ~ 3.6 V
Data Converters A/D 16x12b, D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Package / Case 32-VFQFN Exposed Pad
Supplier Device Package 32-QFN (5×5)

ATXMEGA32E5-MUR Introduction

The AVR XMEGA E5 microcontroller is a highly capable and robust family of 8/16-bit microcontrollers that utilize the AVR enhanced RISC architecture. The XMEGA E5 is an excellent choice for various applications due to its low power consumption, high performance, and extensive range of peripherals.

The purpose of this guide is to give a detailed overview of the ATXMEGA32E5-MU variant. This variant provides 32KB of Flash memory, 1KB of SRAM, 512 bytes of EEPROM, and a 4KB boot section. The ATxmegaE5 devices operate at a maximum frequency of 32 MHz, providing excellent CPU throughput and enabling efficient power consumption management.

Introduction to AVR® XMEGA® E5 Microcontrollers

The AVR XMEGA E5 microcontroller family is a collection of 8/16-bit microcontrollers that utilize the AVR enhanced RISC (Reduced Instruction Set Computing) architecture. These microcontrollers provide a distinctive combination of low power consumption, high performance, and a wide range of peripherals, making them suitable for various applications.

Overview of the AVR-Enhanced RISC Architecture

The AVR-enhanced RISC architecture has been specifically designed to ensure efficient and streamlined execution of instructions. The system utilizes a reduced instruction set, meaning it prioritizes a smaller number of instructions that can be executed in a single clock cycle. By utilizing this approach, the microcontroller is able to achieve impressive processing speeds due to its high CPU throughput.

Key features and benefits of the XMEGA E5 family

The XMEGA E5 microcontrollers, which include the ATXMEGA32E5-MU variant, offer a range of important features and benefits.

The XMEGA E5 microcontrollers are designed to operate with low power consumption, making them well-suited for applications that require battery power or energy efficiency. The product incorporates a range of power-saving modes and techniques that effectively minimize power consumption while maintaining optimal performance.

The XMEGA E5 microcontrollers offer impressive performance, even with their low power consumption. By being able to execute instructions in just one clock cycle, CPUs can achieve a CPU throughput that approaches one million instructions per second (MIPS) per megahertz. This performance enables system designers to find a compromise between processing speed and power consumption.

The XMEGA E5 family provides a wide array of integrated peripherals, such as UART, SPI, I2C, timers, PWM generators, and more, allowing for rich peripheral integration. These peripherals allow for smooth integration with external devices and offer flexibility in implementing different functionalities in embedded systems.

The XMEGA E5 microcontrollers have a generous memory capacity, which includes Flash memory for storing programs, SRAM for storing data, and EEPROM for storing non-volatile data. The ATXMEGA32E5-MU variant offers 32KB of Flash memory, 1KB of SRAM, and 512 bytes of EEPROM.

Applications and Use Cases

The XMEGA E5 microcontrollers are highly versatile, making them well-suited for a wide range of applications. These applications include, but are not limited to:

  • XMEGA E5 microcontrollers are ideal for Internet of Things (IoT) devices that require low power consumption, high performance, and connectivity. They have the capability to handle tasks such as data processing, sensor interfacing, and wireless communication.
  • The XMEGA E5 microcontrollers are versatile and can be used in a wide range of consumer electronic devices. These include smart appliances, home automation systems, remote controls, and portable gadgets. Their low power consumption and extensive peripheral integration make them highly suitable for such applications.
  • XMEGA E5 microcontrollers are suitable for use in industrial automation systems to effectively control and monitor various processes. Thanks to their strong performance and wide range of peripherals, these devices are capable of handling various tasks, including motor control, data acquisition, and communication protocols.
  • The XMEGA E5 microcontrollers are widely used in various embedded systems, such as automotive electronics, medical devices, security systems, and more. The combination of power efficiency, performance, and peripheral integration makes them a reliable choice for these systems.

Troubleshooting and FAQs

● Common issues and solutions

If you are experiencing any issues with programming the ATXMEGA32E5-MU or executing the firmware, please make sure that you have selected the appropriate programming interface and properly configured the programming software. Please ensure that all connections are properly verified and thoroughly check for any potential issues with the wiring or soldering. Please ensure that you thoroughly review the code for any errors or compatibility issues with the microcontroller.

Power-related issues: If the microcontroller is not functioning as expected or experiencing unexpected resets, it is advisable to check the power supply. Please make sure that the voltage levels remain stable and fall within the specified range. To ensure the prevention of power supply noise, it is important to verify the decoupling capacitors and their connections.

Clock and timing issues can arise when the clock settings are incorrect, resulting in unexpected behavior or problems related to timing. Please verify the clock configuration to ensure that it aligns with your specific requirements. Please make sure that the crystal or oscillator is properly connected and operational.

Peripheral Communication Problems: If you are encountering problems with peripherals like UART, SPI, or I2C, it is important to check the peripheral configuration. Make sure that the pin mappings, baud rates, and protocols are accurately set. Please ensure that the signal integrity, grounding, and wiring are checked for accuracy.

Frequently Asked Questions about the ATXMEGA32E5-MU

● What is the maximum clock frequency that the ATXMEGA32E5-MU supports?

The maximum operating frequency of the ATXMEGA32E5-MU microcontroller is 32 MHz.

● What is the flash memory capacity of the ATXMEGA32E5-MU microcontroller?

The ATXMEGA32E5-MU variant provides 32KB (16K x 16) of Flash memory for storing programs.

● What is the amount of SRAM and EEPROM in the ATXMEGA32E5-MU?

The ATXMEGA32E5-MU is equipped with 1KB of SRAM for storing data and 512 bytes of EEPROM for storing non-volatile data.

● Are there any specific development tools that are required for programming the ATXMEGA32E5-MU?

To program and develop firmware for the ATXMEGA32E5-MU, you have the option to use development tools like Atmel Studio or other compatible Integrated Development Environments (IDEs). Additionally, you will require a programmer or debugger device that is compatible.


In conclusion, the ATXMEGA32E5-MU, an impressive member of the AVR® XMEGA® E5 microcontroller family, offers an exceptional blend of low power consumption, high performance, and extensive peripheral integration. This comprehensive guide has provided an in-depth exploration of the ATXMEGA32E5-MU, covering its key features, architecture, programming and development aspects, memory organization, interfacing options, power management, and troubleshooting tips.

Equipped with this knowledge, developers are empowered to unleash the full potential of the ATXMEGA32E5-MU microcontroller, enabling them to create innovative and transformative solutions across a diverse range of applications. To seize the opportunity and incorporate the ATXMEGA32E5-MU into your electronic projects, reach out to ICRFQ today. Unlock the true capabilities of this microcontroller and embark on a journey of electronic excellence.

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