Exam Details
Subject | Micro Controllers | |
Paper | ||
Exam / Course | B.Tech. VIEP- Electrical Engineering III (BTCSVI/BTECVI/BTELVI) | |
Department | School of Engineering & Technology (SOET) | |
Organization | indira gandhi national open university | |
Position | ||
Exam Date | December, 2016 | |
City, State | new delhi, |
Question Paper
What are the special function registers of 8051 Explain their usage.
Explain the two power saving modes of 8051 microcontroller,
How is external memory interfaced with 8051 microcontroller? What are the rules followed for interfacing I/O pin to external devices?
Describe the memory and I/O addressing of 8051.
Draw the internal RAM structure of 8051. Explain the dual role of port port 2 and port 3.
Write a program to save the accumulator in R-7 to Bank 2.
What are the different modes in which timer 2 can operate? What is the use of watchdog Timer?
State the function of each bit in TMOD register.
What are the steps followed to service an interrupt Give the format of interrupt enable register.
Give the priority level of the interrupt sources. Differentiate between Edge-Sensitive and Level-Sensitive programming of interrupts.
Explain the interfacing of stepper motor with microcontroller. Write a program to rotate the stepper motor in clockwise direction continuously in full step mode.
Draw the interfacing diagram of DAC with 8051 microcontroller. Write a program to generate sine wave at the output of DAC. Use look up table to store hex values.
Discuss the interfacing of LCD with 8051 microcontroller. Draw the interfacing diagram. How is liquid crystal display superior to conventional display? Explain it.
List and describe LCD instructions. Draw the interfacing diagram for interfacing of common mode seven-segment displays with 8051 microcontroller.
Write a program to generate a square wave of 50% duty Cycle on P1·5 bit. Use Timer 0 to generate delay.
Draw the interfacing diagram to interface push-button switch at port pin.
What is serial communication How will it perform using 8051 controller with PC? Explain it.
Write a program to transfer "YES" serially at 9600 baud, 8 bit data and 1 stop bit. Do this continuously.
10.(a) Explain the following addressing modes of 8051 microcontroller:
MOV 20H
MOV 30H
(iii)MOV RO
MOV XA, DPTR
MOV RO
What is flag register? Explain 8051 flag register and its practical implementation.
Explain the two power saving modes of 8051 microcontroller,
How is external memory interfaced with 8051 microcontroller? What are the rules followed for interfacing I/O pin to external devices?
Describe the memory and I/O addressing of 8051.
Draw the internal RAM structure of 8051. Explain the dual role of port port 2 and port 3.
Write a program to save the accumulator in R-7 to Bank 2.
What are the different modes in which timer 2 can operate? What is the use of watchdog Timer?
State the function of each bit in TMOD register.
What are the steps followed to service an interrupt Give the format of interrupt enable register.
Give the priority level of the interrupt sources. Differentiate between Edge-Sensitive and Level-Sensitive programming of interrupts.
Explain the interfacing of stepper motor with microcontroller. Write a program to rotate the stepper motor in clockwise direction continuously in full step mode.
Draw the interfacing diagram of DAC with 8051 microcontroller. Write a program to generate sine wave at the output of DAC. Use look up table to store hex values.
Discuss the interfacing of LCD with 8051 microcontroller. Draw the interfacing diagram. How is liquid crystal display superior to conventional display? Explain it.
List and describe LCD instructions. Draw the interfacing diagram for interfacing of common mode seven-segment displays with 8051 microcontroller.
Write a program to generate a square wave of 50% duty Cycle on P1·5 bit. Use Timer 0 to generate delay.
Draw the interfacing diagram to interface push-button switch at port pin.
What is serial communication How will it perform using 8051 controller with PC? Explain it.
Write a program to transfer "YES" serially at 9600 baud, 8 bit data and 1 stop bit. Do this continuously.
10.(a) Explain the following addressing modes of 8051 microcontroller:
MOV 20H
MOV 30H
(iii)MOV RO
MOV XA, DPTR
MOV RO
What is flag register? Explain 8051 flag register and its practical implementation.
Other Question Papers
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Subjects
- Active Filter Design
- Advanced Control System
- Advanced Power Electronics
- Applied Electromagnetics
- Basics Of Electrical Engineering
- Computer Process Control
- Control System
- Digital Electronics
- Electric Energy Utilization
- Electrical And Electronics Engineering Materials
- Electrical Instrumentation
- Electrical Machine - I
- Electrical Machines - Ii
- Electrical Machines And Electronics
- Electrical Measurements And Measuring Instruments
- Electro Mechanical Energy Conversion - I
- Electro-Mechanical Energy Conversion - Ii
- Electro-Mechanical Energy Conversion-Iii
- Electromagnetic Theory
- Energy Auditing And Analysis
- High Voltage Engineering
- Industrial Drives
- Micro Controllers
- Microprocessor And Applications
- Network Theory
- Power Quality Issues And Remedial Measures
- Power System
- Power System - I
- Stochastic Control Systems
- Switchgear And Protection