Friday, February 14, 2025

What Is a Microcontroller?

A microcontroller is like a CPU of our house computer. The microcontroller contains registers which can be program into different functions. 


In our computer, 

To open the Registry Editor: 
  1. Search for it in the Start menu
  2. Use the keyboard shortcut +R, type regedit and press Enter

For Microcontroller, we can see the available registers from the datasheet. If is a common microcontroller, you might be able to search for the datasheet on internet.

For example, one of the PIC microcontroller have datasheet as below.

https://ww1.microchip.com/downloads/en/devicedoc/35007b.pdf


Figure 1: Pin Diagram from Datasheet search online
Microcontroller image is from https://my.rs-online.com/web/p/microcontrollers/1772131





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