Diploma in ECE and EEE Study Material | Microcontroller Unit II | Yuvasallinfo

Diploma in ECE and EEE Study Material | Microcontroller Unit II | Yuvasallinfo

34052-MICROCONTROLLER Unit-2 Syllabus

ASSEMBLER AND ADDRESSING MODES

2.1 ASSEMBLER AND ADDRESSING MODES

Assembling and running an 8051 program –Structure of Assembly Language –Assembler directives – Different addressing modes of 8051

2.2 PROGRAMMES

Multibyte Addition – 8 Bit Multiplication and Division – Biggest Number / Smallest Number – Ascending order / Descending order BCD to ASCII Conversion – ASCII to Binary Conversion – Odd Parity Generator – Even Parity Generator -Time delay routines

 Important 2 Mark and 3 Mark Questions

1. What is assembler?

2. Mention the different fields is assembly language instruction?

3. What is operand field?

4. What are fields used in assembly language instructions as optional?

5. Mention two assembler directives?

6. Mention any four addressing modes of 8051?

7. Mention any two examples of direct addressing instructions?

8. What are he instructions used to access external RAM?

9. How can you perform multiplication using 8051 microcontroller?

10. What is the operation carried our when 8051 executes the instruction MOV A,@A+DPTR?

11. Mention any two examples of direct addressing instructions.

12. Explain the structure of assembly language.

13. Explain the operation of MOVC A,@A+DPTR

 Important 10 Mark Questions

1. Explain Structure of an Assembly Language (or) Fields of Assembly Language?

2. Explain Assembler Directives with examples?

3. Explain Features and Types of Assembler?

4. Explain different addressing modes of 8051?

5. Write an Assembly language program to find the biggest of numbers in an array.

6. Write an ALP for finding maximum value in array.

7. Write an ALP for Multi byte Addition.

8. Write an ALP for Ascending order.

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