(It is not easy to learn the truth of SCM. First, it is necessary to purchase high priced programmers and simulators. Second, it is necessary to learn programming language. It is really a headache to choose many kinds of SCM. 51 chip architecture has been popular for a long time in many single chip computers, and there are relatively many learning materials. It is one of the better choices for beginners. This tutorial is only for beginners or beginners.
51 Introduction to C Language of Single Chip Computer. pdf)