ATXMEGA32E5-AU Microchip Technology IC MCU 8/16BIT 32KB FLASH 32TQFP

The ATXMEGA32E5-AU is a microcontroller (MCU) designed by Microchip Technology under its XMEGA line. Below are details specific to this microcontroller:


  • Manufacturer: Microchip Technology
  • Part Number: ATXMEGA32E5-AU
  • Type: MCU (Microcontroller Unit)
  • Architecture: 8/16-bit XMEGA AVR MCU
  • Flash Memory: 32KB
  • RAM: 4KB
  • Operating Voltage Range: 1.6V to 3.6V
  • Package/Case: 32-TQFP (Thin Quad Flat Package)
  • Features: 8/16-bit Digital I/O lines, Event System, Peripheral DMA Controller, 12-bit Differential ADC, 12-bit DAC, A/D-conversion and D/A-conversion, 4-channel Event System, 2 USARTs, 2 SPIs, 2 TWIs (I2C), 5 16-bit Timer/Counters, RTC (Real-Time Counter), CRC (Cyclic Redundancy Check) module, AES (Advanced Encryption Standard), DMA (Direct Memory Access), USART with SPI, QTouch Library support for capacitive touch buttons and sliders
  • DataSheet ATXMEGA32E5-AU PDF


The ATXMEGA32E5-AU, known for its low power consumption and rich set of versatile peripherals, is suitable for various embedded systems that require low power consumption, high-performance and strong peripheral integration.


This microcontroller is well-suited for a wide range of applications, including but not limited to:

  • Portable and Battery-powered Devices
  • Wearable Electronics
  • IoT Devices
  • Sensor Nodes
  • Control Systems
  • Smart Energy Solutions
  • Consumer Electronics
  • Industrial Control and Automation
  • Data Acquisition Systems

Development and Prototyping:

Microchip provides development tools, such as Atmel Studio, as well as Xplained Pro evaluation kits and peripherals to aid in development and prototyping efforts.


The XMEGA series, to which the ATXMEGA32E5-AU belongs, is known for its advanced features, particularly the Event System which facilitates inter-peripheral communication without CPU intervention. This microcontroller also has leading-edge data conversion capability with its 12-bit ADC and DAC.

Low-Power Operation:

Notably, the XMEGA series is designed for low-power operation. It offers various power-saving modes, allowing the MCU to be optimized for power efficiency in battery-powered and energy-conscious applications.

The ATXMEGA32E5-AU presents a compelling platform for developers seeking a powerful and energy-efficient microcontroller solution with a rich set of peripherals. As always, it is essential to reference the most current datasheet and documentation to ensure the MCU's suitability for a specific project.

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