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InsemOct 20232019 patternTE E&TC

Microcontrollers & applications SPPU Insem Question Paper Oct 2023

All 4 questions from this SPPU insem paper, as printed. Read them here or open the PDF.

Subject code
304184
Pattern
2019 pattern
Exam
Insem
Session
Oct 2023
Max. marks
30
Time
1 Hour
Semester
I
Paper code
[6187]-452

Printed for: T.E. (E & TC) (Insem.)

Instructions to the candidates

  1. Answer Q1 or Q2, Q3 or Q4.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figures to the right side indicate full marks.
  4. Use of Calculator is allowed.
  5. Assume Suitable data if necessary.

Questions

  1. Q1

    1. a)

      Draw and explain internal memory organization of 8051.

      Also asked:Aug 2025 ·Oct 2024

      [5]
    2. b)

      Explain the interrupt structure of 8051 in detail also list vector address of internal & external interrupts.

      [5]
    3. c)

      Calculate hexadecimal count to generate delay of 50 msec using Timer 1, mode 1, use clock frequency = 11.0592MHz.

      [5]
  2. Q2

    1. a)

      What are the different modes of operation of serial communication in 8051 Explain SMOD registers?

      [5]
    2. b)

      Compare RISC and CISC processor.

      Also asked:Oct 2024

      [5]
    3. c)

      Enlist various modes of operation of Timer & Explain in details.

      Also asked:Aug 2025

      [5]
  3. Q3

    1. a)

      Write embedded C program to display HEX counter on LED connected to port 0.

      [7]
    2. b)

      Draw an interfacing diagram of stepper motor and write embedded C program to rotate it clockwise continuously.

      [8]
  4. Q4

    1. a)

      Draw an interfacing diagram to glow the lamp connected to Relay at Port pin P1.1 and write embedded C program to make it ON and OFF.

      [7]
    2. b)

      Draw an interfacing diagram of DAC and write embedded C program to generate a triangular wave continuously. 

      [8]