Candidates are required to have a deep understanding of the basic concepts of microcomputer principle, be able to systematically master the structure of microcomputer, 8086 microprocessor and instruction system, assembly language programming method, interface circuit design and microcomputer system programming method, and have the ability to comprehensively use the knowledge they have learned to analyze and solve problems.
Extended data:
Knowledge points of microcomputer course:
Basic knowledge:
1, number and number system (binary, decimal, hexadecimal and octal) and their conversion
2. Binary coding
3. Binary logic operation
4, binary arithmetic operation
5.BCD code
6. Character representation in the computer
7, the composition of the computer structure
8. Complement, the conversion method between complement and original code.
8086 instruction:
1, basic data type
2. Site selection method
3,6 General description
Assembly language:
1, assembly language format
2. Composition of statement lines
3. Indicative statement
4. Mandatory declaration
5, the process of assembly language programming
6, program design
7, macro assembly and conditional assembly
Operation sequence:
1, the concept of bus operation
2.8086 bus
Typical timing of 3.8086
4. Counter and timer circuit Intel8253
Storage structure:
1, types of semiconductor memories
2. Read and write memory (RAM)
3. Read only memory
4.PC/XT's storage structure
Input and output:
1, input and output addressing mode
2. Data transmission mode between 2.CPU and peripherals
3. Main functions of 3.DMA controller
4.DMA controller 8237
Interrupt:
1, the basic concept of interrupt
2, 8086 interrupt mode
3.PC/XT's Interrupt Structure
Intel 8259A
Chip 8255:
1, the concept of parallel communication in microcomputer system
2. Structure of Parallel Chip 8255
3. Method of Parallel Chip 8255
The use of 4.8255 in PC/XT
Interface circuit:
1, the basic concept of serial communication
2. Asynchronous communication interface Intel 8251A.
Digital modulus:
The concept of 1 and D/A conversion
2. D/A converter interface
3. The concept of analog-to-digital conversion
4. A/D converter interface