A000053: Arduino Micro

Summary

The Micro is a microcontroller board based on the ATmega32U4 (datasheet), developed in conjunction with Adafruit. It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, a micro USB connection, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a micro USB cable to get started. It has a form factor that enables it to be easily placed on a breadboard.

The Micro board is similar to the Arduino Leonardo in that the ATmega32U4 has built-in USB communication, eliminating the need for a secondary processor. This allows the Micro to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial / COM port. It also has other implications for the behavior of the board; these are detailed on the getting started page.

Specifications

Manufacturer Arduino
Category Open Source MCU Platforms
Eval Board Part Number 1050-1066-ND
Eval Board Supplier Arduino
IDE Arduino
Speed 16 MHz
Bits 8 Bit
Memory, Flash/RAM 32 kB / 2.5 kB
Digital I/O 20 I/O, 7 PWM
Interface I²C
SPI
UART
USB
Analog Outputs (DACs) 7 x 8 Bit
Analog Inputs 12 x 10 Bit
DMA Channels -
Features Over Current Protection
Timers
Radio -
Interrupt Pins 5
I/O Voltage 5 V
Input Voltage 7 ~ 12 V
Touch Sensing Pins -
Program/Debug Interface ISP Header
USB Type-Micro AB
Main I.C. Base Part ATMEGA32U4

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