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EndsemNov 20252019 patternTE E&TC

Microcontrollers & applications SPPU Endsem Question Paper Nov 2025

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated Microcontrollers & applications questions
Subject code
304184
Pattern
2019 pattern
Exam
Endsem
Session
Nov 2025
Max. marks
70
Time
2½ Hours
Semester
V
Paper code
[6583]-101

Printed for: T.E. (E&TC/E.C -A.C.T. )

Instructions to the candidates

  1. Answer Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.
  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)

      State features of PIC. Compare the different families of PIC Microcontroller.

      [6]
    2. b)

      Draw and explain program memory organization of PIC18F4550.

      Also asked:May 2025 ·Nov 2024 ·Nov 2023 ·May 2023

      [6]
    3. c)

      Draw and explain flag register of PIC and also explain programming model of PIC18FXXXX.

      [6]

  2. Q2

    1. a)

      Draw and explain data memory organization and stack of PIC18F4550.

      Also asked:May 2025 ·Nov 2024 ·Nov 2023 ·May 2023

      [6]
    2. b)

      Draw and explain the RESET functional diagram.

      [6]
    3. c)

      List the various oscillator options. How to select it using configuration register?

      [6]

  3. Q3

    1. a)

      Write a program for 2.5kHz and 75% duty cycle PWM generation with N=4.

      [9]
    2. b)

      Write an embedded C program for reading single analog input range from 0V to 5V and display it on LCD.

      [8]

  4. Q4

    1. a)

      Write a C program to toggle all bits of PORT B continuously with delay of 5 ms using timer 0, 16 bit and no prescaler XTAL=10MHz.

      [9]
    2. b)

      Explain the capture and PWM mode of PIC18F4550 in detail.

      Also asked:May 2025 ·May 2023

      [8]

  5. Q5

    1. a)

      Draw the interfacing of LCD with any port with PIC18F4550. Write C code to display "Gudhi-Padhwa".

      [6]
    2. b)

      Draw and explain interfacing of 3×3 matrix keypad with PIC. Draw the flowchart for it.

      [6]
    3. c)

      Design step by step and explain a PIC test board.

      Also asked:May 2025 ·Nov 2023 ·May 2023

      [6]

  6. Q6

    1. a)

      Draw the interfacing of LCD with PIC18F4550. Write C code to display "SPPU" on first line.

      Also asked:Nov 2024

      [6]
    2. b)

      Interface LEDs to PIC18F4550 and write C program to flash LEDs after 1sec.

      [6]
    3. c)

      Draw an interfacing diagram of motion detector with PIC18F4550 and write code for it.

      [6]

  7. Q7

    1. a)

      State features of RTC and draw an interfacing diagram to interface it with PIC. Write an initialization program.

      Also asked:May 2025 ·Nov 2024 ·Nov 2023 ·May 2023

      [9]
    2. b)

      State features of SPI and I2C protocols. Compare RS232 and RS485.

      Also asked:May 2024

      [8]

  8. Q8

    1. a)

      Design a traffic light controller system.

      [9]
    2. b)

      Explain the I2C mode of MSSP structure and SPI mode of MSSP structure used for serial communication. ♣♣♣

      [8]