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ATMEGA32U2-MU Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
ATMEGA32U2-MUAtmel17779Yes

ATMEGA32U2-MU** is a microcontroller from **Atmel** (now part of Microchip Technology).

The ATMEGA32U2-MU is a microcontroller from Atmel (now part of Microchip Technology). Below are its specifications, descriptions, and features:

Specifications:

  • Architecture: 8-bit AVR
  • Flash Memory: 32 KB
  • SRAM: 1 KB
  • EEPROM: 1 KB
  • Operating Voltage: 2.7V - 5.5V
  • Max CPU Speed: 8 MHz (at 2.7V - 5.5V) or 16 MHz (at 4.5V - 5.5V)
  • Package: 32-pin QFN (5x5 mm)
  • I/O Pins: 26
  • ADC Channels: 8 (10-bit resolution)
  • Timers: 2 x 8-bit, 1 x 16-bit
  • PWM Channels: 4
  • USART: 1
  • SPI Interface: 1
  • TWI (I²C): 1
  • USB 2.0 Full-Speed Interface: Built-in
  • Operating Temperature Range: -40°C to +85°C

Descriptions:

The ATMEGA32U2-MU is a low-power, high-performance AVR microcontroller with an integrated USB 2.0 Full-Speed controller, making it suitable for USB-based applications. It features a rich peripheral set, including ADC, PWM, SPI, I²C, and USART, enabling versatile embedded designs.

Features:

  • USB 2.0 Full-Speed compliant with embedded PHY
  • On-chip bootloader for USB firmware updates
  • Power-efficient operation with multiple sleep modes
  • Hardware-based USB suspend/resume support
  • Self-programmable Flash for in-system updates
  • Watchdog Timer (WDT) for system reliability
  • Internal calibrated oscillator (8 MHz)
  • JTAG & debugWIRE for debugging

This microcontroller is commonly used in USB peripherals, HID devices, and embedded USB applications.

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