Hello, students. The content of the teaching syllabus of the Digital Logic course of the self-taught examination in Hubei Province in 2023 is as follows: the teaching syllabus of the self-taught examination of higher education in Hubei Province. Name of the course: Digital Logic _ Tan Wei Cave 06626 1. The nature of the course and its setting purpose 1. The nature and characteristics of the course Digital Logic is an important basic course for undergraduates majoring in computer science and engineering. The purpose of this course is to make students understand and be familiar with the digital system. Scientific and technological workers engaged in computer research, development and application must master the theory and method of digital system logic design. The main contents of the course include switch theory, logic gate circuit, combinational logic, sequential logic, ISP technology, digital system and so on. Track the development of computer components, introduce the basic technology of new components, lay the foundation for subsequent computer hardware courses, and provide theoretical and practical basis for in-depth understanding of the working principle of computers. 2. The course requires that through the study of this course, candidates should master the basic theories and methods of digital logic design, the general principles of digital logic circuits and the new development of digital logic circuits. The core of this course is that students must learn the basic knowledge of digital logic circuits, master the methods and steps of digital logic circuit design and analysis, and on this basis, they can use common experimental materials to design synchronous sequential logic circuits. Master the functional elements with wide practicability, such as integrated gate circuit, flip-flop, combinational logic circuit, and lay a solid foundation for future practice. This course involves mathematics, logic and electronics, and it is theoretical. 3. Relationship with other courses in this major This course is listed as a professional basic course in the teaching plan of computer application major. Its preliminary courses are general physics, analog electronic technology and discrete mathematics, and the follow-up courses are hardware courses such as computer composition principle and computer interface technology. As a basic course connecting the preceding with the following, digital logic plays an important role. The focus of this course is to study the basic methods of analysis and design of various logic circuits in digital systems; The difficulty is the analysis and combination design of various large and medium-sized chips. Two. Course content and assessment objectives Chapter 1 Basic knowledge 1. The purpose and requirements of learning are to understand the concept of digital system and the characteristics of analog and digital signals; Focus on mastering the counting rules and mutual conversion of binary, octal, decimal and hexadecimal numbers, understanding the representation and related conversion of the original code, complement and complement of machine numbers, understanding the relationship and respective characteristics of three commonly used BCD codes and decimal numbers, and the functions, characteristics and coding principles of gray codes, parity codes and character codes. Second, the assessment knowledge points and assessment objectives Section 1 Overview (General) 1) Memorization: (1) The characteristics of the digital system; (2) Types and research methods of digital logic circuits. Section 2 Number system and its transformation (key) 1) Memory: carry counting system, two basic elements of carry counting system, and operation rules of binary numbers. 2) Simple application: mutual conversion between number systems. Section 3 Code representation of signed binary numbers (secondary emphasis) 1) Understanding: original code, complement, complement. 2) Simple application: conversion between three coding systems Section 4: Several common codes (general) 1) Memory: binary code of decimal number and three common BCD codes. 2) Understanding: (1) Reliability coding; (2) Character coding. Fundamentals of logical algebra 1. The purpose and requirements of learning are to understand the basic concepts of logical algebra, such as logical variables, logical operations, logical functions, minimum terms and maximum terms; Master five axioms, eight theorems and three important rules of logical algebra; Familiar with different forms and transformations of logical function expressions; The algebraic simplification and Karnaugh map simplification of logical functions are emphatically introduced. Second, assessment knowledge points and assessment objectives Section 1 Basic concepts of logical algebra (general) 1) Memory: axioms in logical algebra. 2) Understanding: (1) Logical variables and basic logical operations; (2) Logical function and the equality between logical functions; (3) Representation of logical functions. Section 2 Basic Theorems and Rules of Logical Algebra (Secondary Emphasis) 1) Memory: Basic Theorems and Rules in Logical Algebra. 2) Understand: (1) basic theorem; (2) important rules; (3) Compound logic. Section 3 Form and transformation of logical function expression (secondary emphasis) 1) Memory: the basic form of logical function expression. 2) Understanding: the standard form of logical function expression. 3) Simple application: transformation of logical function expressions. Section 4 Simplification of logical functions (key points) 1) Simple application: (1) Algebraic simplification; (2) Karnaugh map simplification method. Chapter III Integrated Gate Circuits and Flip-flops 1. Learning purposes and requirements: to understand the types and classification basis of digital integrated circuits and the switching characteristics of semiconductor devices working in digital systems; Focus on mastering the logic symbols, external characteristics and usage of 7 common logic gates and 2 special logic gates; Understand the basic structure and working principle of flip-flops, and master the logic symbols, function tables, secondary state equations, excitation tables and usage of basic R-S flip-flops and four commonly used clock-controlled flip-flops. Just need to have a general understanding of the internal structure and working principle of logic gate circuit. Second, examination knowledge points and examination objectives Section 1 Classification of digital integrated circuits (general) 1) Memorization: various classification methods of digital logic circuits. Section 2 Switching characteristics of semiconductor devices (general) 1): Remember the switching characteristics of (1) crystal diodes; (2) The switching characteristics of the transistor. In the third section, logic gates (key) 1) are memorized: (1) the logic symbols and expressions of common basic gate circuits; (2) 2) Characteristics of TTL integrated logic gates and CMOS integrated logic gates. 2) Understand the main external characteristic parameters of (1)TTL integrated logic gate circuit; (2) The concepts of positive logic and negative logic; (3) The characteristics and applications of two special gate circuits. Section 4: Flip-flops (key points) 1) Memory: (1) Basic characteristics, logical functions and classification of flip-flops; (2) Description of logic circuit, logic symbol and logic function of basic R-S flip-flop; (3) Description of logic symbols and logic functions of commonly used clock-controlled flip-flops (R-S, J-K, D and T flip-flops). 2) Understanding: (1) The working principles of several commonly used clock-controlled flip-flops are mutually converted; (2) The mutual conversion method of different types of clock-controlled flip-flops. Experiment 1: integrated circuit test: main parameter test and function test of integrated logic gate, and function test of integrated flip-flop. Chapter IV Combinatorial Logic Circuits. Learning purposes and requirements Understand the definition, structure and characteristics of combinational logic circuits; Focus on mastering the basic methods of analysis and design of combinational logic circuits; He can skillfully use the mathematical tool of logic algebra, describe and simplify various design problems logically with the help of truth table and Karnaugh map, select appropriate logic gates, and complete the circuit design that meets the design requirements; Understand the competition phenomenon and danger caused by time delay in actual circuits. Second, the assessment knowledge points and assessment objectives Section 1 Analysis of combinational logic circuits (key points) 1) Memorization: (1) Basic characteristics of combinational logic circuits; (2) General steps of combinational logic circuit analysis; 2) Simple application: Combinatorial logic circuits will be analyzed. Section 2 Combinatorial logic circuit design (key) 1) Memory: (1) the concept of logic synthesis; (2) General steps of combinational logic circuit design. 2) Simple application: (1) can design some simple combinational logic circuits; (2) will deal with some practical problems encountered in the design. 3) Comprehensive application: Design of combinational logic circuits with multiple output functions Section III: Danger of combinational logic circuits (secondary emphasis) 1) Memory: Causes of danger and methods of elimination. 2) simple application: danger can be judged; Experiment 2: combinational logic circuit: the design of rounding and detection circuit, the design of full adder/subtractor. Chapter 5 Synchronous sequential logic circuits 1. Learning purpose and requirements: Understand the definition, structure, characteristics and classification of sequential logic circuits; Focus on mastering the basic methods and steps of synchronous sequential logic circuit analysis and design, and skillfully use tools such as state table, state diagram, implicit table and merge diagram to complete the analysis and design of synchronous sequential logic circuit; It is required to use logic gates and flip-flops correctly to construct synchronous sequential logic circuits that realize the specified functions. The difficulty in this chapter is to form the original state diagram, simplify the state and determine the simplest expression of the excitation function. Second, the assessment knowledge points and assessment objectives Section 1 Overview of sequential logic circuits (secondary focus) 1) Remember: (1) The difference between sequential logic circuits and combinational logic circuits; (2) The main methods to describe the logic function of sequential logic circuits. 2) Understand the structural characteristics of (1) sequential logic circuits; (2) Classification method of sequential logic circuits; (3) Description method of logic function of sequential logic circuit. Section 2 Synchronous sequential logic circuit analysis (key) 1) Memory: General methods and steps of synchronous sequential logic circuit analysis. 2) Simple application: The synchronous sequential logic circuit will be analyzed. Section 3 Synchronous sequential logic circuit design (key) 1) Memory: general methods and steps of synchronous sequential logic circuit design; 2) Comprehension: Synchronize all the steps of sequential logic circuit design, and be familiar with the processing methods in each step, so as to lay the foundation for comprehensive application. Comprehensive application: We will analyze and design a completely determined synchronous sequential logic circuit. Experiment 3 Synchronous sequential logic circuit: Design of synchronous modulo 4 reversible counter Chapter 6 Asynchronous sequential logic circuit 1. The purpose and requirements of learning are to understand the structure and characteristics of two types of asynchronous sequential logic circuits; Clarify the difference between pulse asynchronous sequential logic circuit and synchronous sequential logic circuit in analysis and design; Focus on learning the analysis and design methods of pulse asynchronous sequential logic circuit, understand the methods and steps of level asynchronous sequential logic circuit analysis and design, and be able to use tools such as timing chart, flow chart and state diagram to complete the analysis and design of level asynchronous sequential logic circuit; Pay attention to find out the reasons of competition between feedback loops in level asynchronous sequential logic circuits, the judgment methods and the methods to eliminate critical competition in circuit design. The difficulties in this chapter are the formation of the original flow chart, the judgment of competition between feedback loops and the elimination of critical competition. Second, examination knowledge points and examination objectives Section 1 Characteristics and classification of asynchronous sequential logic circuits (general) 1) Remember: (1) The difference between synchronous sequential logic circuits and asynchronous sequential logic circuits; (2) The characteristics of asynchronous sequential logic circuits; (3) Classification of asynchronous sequential logic circuits. Section 2: Understanding of pulse asynchronous sequential logic circuit (emphasis): General steps and methods of structural model and analysis of pulse asynchronous sequential logic circuit. Simple application: the design of pulse asynchronous sequential logic circuit. Section 3: Level asynchronous sequential logic circuit (secondary emphasis) 1) Memory: the structural model and description method of (1) level asynchronous sequential logic circuit; (2) Constraints of input signals; (3) General steps and methods of level asynchronous sequential logic circuit analysis. Experiment 4: Design of asynchronous sequential logic circuit: Design of pulse asynchronous counter Chapter 7 Scale general-purpose integrated circuits and their applications 1. Learning purpose and requirements to master the main functions and external characteristics of various medium-scale integrated circuits; Can correctly use various medium-sized devices to complete the design of specified logic functions; Focus on mastering the application of four-bit parallel adder, decoder, multiplexer, four-bit register, four-bit counter and other devices in logic design, as well as the role of A/D converter and D/A converter. Second, the examination knowledge points and examination objectives Section 1 Common medium-sized combinational logic circuits (key points) 1) Memorization: (1) Characteristics and circuit logic symbols of serial carry and carry-ahead parallel adders; (2) Types, functions, characteristics and circuit logic symbols of decoders and encoders; (3) Basic functions, characteristics and circuit logic symbols of multiplexers and demultiplexers. 2) Understand the working principles and applications of several commonly used medium-scale integrated combinational logic circuits. 3) Simple application: (1) The logic function of combinational logic circuits composed of commonly used medium-scale integrated combinational logic circuits and various integrated gates will be analyzed; (2) We will design combinational logic circuits with commonly used medium-scale integrated combinational logic chips and necessary integrated gate circuits. Section 2: Recognition of common medium-scale sequential logic circuits (key points) 1): Classification and characteristics of (1) integrated counters; (2) Classification and characteristics of integrated registers; (3) Basic functions, characteristics and circuit logic symbols of multiplexers and demultiplexers. 2) Understand the working principle and characteristics of integrated counters and integrated registers. 3) Simple application: (1) will use integrated counters to form various decimal counters; (2) Analyze the sequential logic circuit composed of integrated registers. Section 3 Common Medium-scale Signal Generation and Conversion Circuits (General) 1) Memory: (1) Circuit structure and logic function of integrated timer 555; (2) Working principle, function, parameters and types of integrated D/A converter; (3) The working principle, function, parameters and types of integrated A/D converter. 2) Understand the working principle of the integrated timer 555. 3) Simple application: Integrated timer 555 will be used to form multivibrator and Schmitt trigger. Comprehensive application: The digital circuit composed of combinational logic integrated chip, sequential logic integrated chip and 555 will be analyzed. Experiment 5: Design of operation circuit: Design of serial adder III. Description of syllabus and requirements for examination implementation The first part of this syllabus specifies the nature and purpose of the course, which is the basic starting point for formulating the second part of the course content and examination objectives, which are the main parts of this syllabus. In order to implement the provisions of the main part in personal self-study, social assistance and examination questions, the relevant issues are explained as follows, and further specific implementation requirements are put forward. Textbook 1. Assigned textbook: Digital Logic (4th Edition), edited by Ouyang Xingming, Huazhong University of Science and Technology Press, 20092.