What is an MCU?

What is an MCU?
A microcontroller (MCI) is a small computer embedded in a variety of applications.
MCU Structure
An MCU includes various components necessary for operation.
Signals Handled by MCUs
MCUs process digital signals represented by 1s and 0s.
A/D Converter
A peripheral circuit that converts analog signals into digital.
D/A Converter
A peripheral circuit that converts digital signals to analog.
Serial Communication
Serial communication is commonly used for data exchange between an MCU and external components.
I²C
One of the serial communication methods implemented in MCUs.
SPI
One of the serial communication methods implemented in MCUs.
UART
One of the serial communication methods implemented in MCUs.
Timer
Measures time and notifies the MCU when a set duration has elapsed.
PWM
Pulse signals output by the MCU to control energy.
Watchdog Timer
Monitors the MCU to detect system malfunctions or program freezes.

Basic