Bibliography:

Principles of Automatic Control (2007 edition), edited by Li Daogen, Harbin Institute of Technology Press.

8 1 1 Circuit:

Circuit, fifth edition, 2006, edited by Qiu Guanyuan, Higher Education Press.

8 12 microcomputer principle;

Basic Principles and Interface Technology of Microcomputer, 3rd edition, 20 14, edited by Chen Hongwei, Science Press.