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EndsemMay 20252019 patternTE E&TC

Microcontrollers & applications SPPU Endsem Question Paper May 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
May 2025
Max. marks
70
Time
2½ Hours
Semester
V
Paper code
[6403]-94

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

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)

      Draw and explain the block schematic of PIC18F4550 MCU unit.

      Also asked:May 2023

      [6]
    2. b)

      Explain functions of ALU in PIC18F4550 with example.

      Also asked:Nov 2024 ·May 2023

      [6]
    3. c)

      Explain the criteria for choosing PIC18F184550 Microcontroller.

      Also asked:May 2023

      [6]

  2. Q2

    1. a)

      State features of PIC18F4550.

      [6]
    2. b)

      Explain PSW of PIC18F4550.

      [6]
    3. c)

      Draw and explain the data memory organization of PIC18F4550.

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

      [6]

  3. Q3

    1. a)

      Draw and explain the Timer 0, 8bit operation of PIC18F4550 compare the Timer 0,1, and 2.

      Also asked:May 2023

      [9]
    2. b)

      Write a program for 2.5 KHz and 50 % duty cycle PWM generation with N=4. fosc=10MHz.

      Also asked:Nov 2024 ·Nov 2023 ·May 2023

      [8]

  4. Q4

    1. a)

      Write program to generate delay of 10 ms using timerl, 16 bit and no prescaler.

      Also asked:Nov 2024 ·May 2023

      [9]
    2. b)

      Explain in details capture mode of PIC18F4550.

      Also asked:Nov 2025 ·May 2023

      [8]

  5. Q5

    1. a)

      Explain step wise procedure and design methodology of PIC18F4550 test board.

      Also asked:Nov 2025 ·Nov 2023 ·May 2023

      [6]
    2. b)

      Draw an interfacing diagram of LCD with PIC18F4550 and explain function of RS and EN.

      Also asked:May 2023

      [6]
    3. c)

      Draw port structure of PIC18F4550 with SFRs used in programming. 2

      Also asked:Nov 2024 ·Nov 2023 ·May 2023

      [6]

  6. Q6

    1. a)

      Draw an interfacing diagram of LEDs connected to port B of PIC 18F4550 and write an embedded C program for BCD counter.

      [6]
    2. b)

      Draw an interfacing diagram of 4×4 matrix keyboard and explain the concept of key detection.

      Also asked:May 2023

      [6]
    3. c)

      Draw an interfacing diagram of Home protection system with LED, Key, Motion Sensor, LCD, buzzer and relay connected to various port lines.

      Also asked:Nov 2023

      [6]

  7. Q7

    1. a)

      State features of SPI bus and compare RS232 and RS 485.

      Also asked:May 2023

      [9]
    2. b)

      State features of EEPROM, draw an interfacing diagram with PIC18F4550.

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

      [8]

  8. Q8

    1. a)

      State features of RTC, draw an interfacing diagram with PIC18F4550. Write initialization program.

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

      [9]
    2. b)

      Draw and explain block diagram of UART receiver. 

      [8]