B.TECH - Semester 6 microcontroller based system desgin Question Paper 2021 (dec)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- Write a note on the Special Function Registers of 8051.
- Differentiate between XCH and SWAP instructions.
- How is RET different from RETI?
- How is Idle/Sleep mode different from Power down mode?
- What are the 8051 interrupt handling registers?
- Identify the steps in executing an interrupt.
- Write a program to generate a triangular wave of $5 \mathrm{~V}, 5 \mathrm{KHZ}$ using Timer 0 , mode 1.
- Write a note on the Memory management unit of ARM processor.
- What is the need for a Co Processor?
- Write a note on the Program Status register instructions of ARM Processor. ( $10 \times 4=40$ Marks) P.T.O. Answer any two questions from each Module. Each question carries 10 marks.
- Explain the different addressing modes used in 8051 Micro controller.
- Write an assembly program to sort the given set of numbers in ascending order. The number of numbers will be stored in the first location.
- Briefly describe the functions of the different pins of 8051 Micro controller.
- Write a program to display count value of 1 Hz pulse up to 60 pulses.
- Write a program to generate a square wave of 3 KHZ using timer 1 interrupt (11.0592 MHZ, Xtal frequency)
- Write a program for an UP/Down counter and display the count. Switch SW1 on P3.2 for UP count and SW2 on P3.3 for down count. Display used is a 7 segment display at Port 1.
- Identify the key components of ARM processor.
- What are exceptions? Identify the different types of exceptions, their modes and purpose.
- Write a note on the ARM instruction set. $$ (6 \times 10=60 \text { Marks }) $$