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Engineering BE Electronics and Telecommunication Sem 4 May 2023 2023 EXTC4Microcontrollers Question Paper - Mumbai University | munotes

May 2023 Question Paper.pdf
EXTC · 1 May 2025

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Questions asked in this paper

  • [iii] Figures to the right indicate full marks
  1. Q1 Solve any four
    • (a) Differentiate between RISC & CISC Architecture. 5
    • (b) What is difference between Primary memory and Secondary memory 5
    • (c) What will be the status of CY, AC, OV and P flag after F2H + 4BH operation is 5 carried out in the ALU of the 8051 microcontroller?
    • (d) Explain the need of Watch Dog Timer and Brown Out Detection feature usedin the 5
    • (e) Explain following ARM7 instructions 5
  2. Q2 (a) With the help of diagram, list the sequence of operation carried out by the microprocessor after RESET to execute a program stored in a memory. Assume 10 marks
    • (b) Explain concept of Virtual Memory with Memory Management Unit. 10
  3. Q3 (a) Explain Interrupt structure of 8051 microcontroller. 10 marks
    • (b) Describe the features of ARM processor. Also explain Which features are accepted 10 and which are rejected from basic RISC machine 4 (a) Write assembly language program for 8051 to transfer message “MAY 2023” 10 serially at baud rate of 9600 in model. Assume that 8051 operate at frequency
    • (b) Explain difference between Timer & Counter of 8051. Explain all timer modes. 10 What is significance of CPSR register of ARM? Draw and explain each bit position 10
    • (b) Write assembly language program for 8051 for blinking all 8 LEDs connected to 10 port 1. Select proper delay so that the blinking is clearly seen. Assume 8051 is operating on 12Mhz. Use Delay Subroutine for generating suitable delay 6 (a) What are the factors that are required to be considered for selecting a microcontroller 10 for an application?
    • (b) What do you mean by Assembler directives, Why Assembler directives are called as 10 Pseudo instructions? Explain few of them with examples

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