What's MCU Common MCU

MCU is short for microcontroller unit.

MCU

The computer we used is composed of independent CPU,independent RAM,independent Hard Disk,and other parts.Unlike The computer we used ,MCU is one chip include CPU/RAM/ROM and other parts.

Compare with computer,MCU is very power-saving and very chip.The Price of cheapest MCU is only 0.1 dollors.

But the computing power of MCU is very weak then Computer.So in some field,It's can't instead of Computer.

In the past, MCU only contained computing units. But modern MCU alse includes RAM/FLASH/ADC / UART / SPI / IIC and other components.

The development trend of MCU'technology is including more and more functions.

For more information,You can see wikipedia.and szmcu.