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ATmega32U4 Micro DELL Arduino

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Series ATmega (AVR)

ATmega32U4 overview

Arduino Micro ATmega32U4 is essentially a shrunk-down (1.9″ × 0.7″) version of the Arduino Leonardo. It is a microcontroller board based on the ATmega32U4 running at 16 MHz with 24 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs). This board ships with the male header pins soldered in, as shown in the product picture.

Key specifications

Microcontroller
ATmega32U4
Operating Voltage
5 V
Input Voltage
7-12 V
Digital I/O Pins
24 (of which 7 provide PWM output)
DC current for 3.3V pin
50 mA
Analog Input Pins
12
DC Current per I/O Pin
40 mA
Flash Memory
32 KB of which 4 KB is used by the bootloader

Datasheet

1685581.pdf
Format PDFSize 270 KBLanguage EN
Third-party / unverified source

ATmega32U4 features

  • ATMega 32U4 running at 5V/16MHz
  • Supported under Arduino IDE v1.0.1
  • On-Board micro-USB connector for programming
  • 4 x 10-bit ADC pins
  • 12 x Digital I/Os (5 are PWM capable)
  • Rx and Tx Hardware Serial Connections

ATmega32U4 specifications

Microcontroller ATmega32U4
Operating Voltage 5 V
Input Voltage 7-12 V
Digital I/O Pins 24 (of which 7 provide PWM output)
DC current for 3.3V pin 50 mA
Analog Input Pins 12
DC Current per I/O Pin 40 mA
Flash Memory 32 KB of which 4 KB is used by the bootloader
SRAM 2.5 KB
EEPROM 1 KB
Clock Speed 16 MHz

ATmega32U4 datasheet PDF preview

PDF · 270 KB

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