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EndsemMay 20242019 patternTE E&TC

Microcontrollers & applications SPPU Endsem Question Paper May 2024

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 2024
Max. marks
70
Time
2½ Hours
Semester
I
Paper code
[6262]-95

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 and 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)

      Compare P1C10, PIC 12, PIC 16 and PIC 18.

      [8]
    2. b)

      Draw and explain program memory organization of PlC l8F4550.

      [8]

  2. Q2

    1. a)

      Draw and explain the data memory organization of PIC 18F4550.

      [8]
    2. b)

      Draw and explain the architecture of PIC 18F4550.

      [8]

  3. Q3

    1. a)

      Explain capture mode of PlC microcontroller, discuss the role of PIR register in capture mode.

      [9]
    2. b)

      Explain the operation of T0CON and T1CON register of PIC 18F4550.

      [9]

  4. Q4

    1. a)

      Write an embedded c program to generate square wave of 1KHz with the duty cycle of 25% and prescale 1:16.

      [10]
    2. b)

      Draw and explain the interrupt structure in priority mode of PIC microcontroller.

      [8]

  5. Q5

    1. a)

      Draw and explain an interfacing of switch, relay and buzzer with PIC microcontroller. Write the pseudocode to turn relay ON and Buzzer OFF when switch 1 is pressed and turn relay OFF and Buzzer ON when switch 2 is pressed. [ 9 ]

    2. b)

      Draw an interfacing diagram of 4*4 keyboard matrix, write pseudocode to display keycode of key pressed. [ 9 ]

  6. Q6

    1. a)

      Draw an interfacing diagram of ultrasonic sensor with PIC 18F, write embedded c code to identify the object. [ 9 ]

    2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

  7. Q7

    1. a)

      Compare SPI, RS232 and I2C protocol.

      Also asked:Nov 2025

      [9]
    2. b)

      Explain MSSP SPI mode of PICl8F4550.

      [9]

  8. Q8

    1. a)

      What is BRGH register? Explain how to calculate baud rate in USART.

      [8]
    2. b)

      Draw an interfacing diagram of EEPROM with PIC 18F4550 write pseudocode to write the contents in EEPROM. 

      [10]