Engineering B.E. (Electronics & Telecommunication Engineering) Sem 4 December 2022 2022 Microcontrollers Question Paper - Mumbai University | munotes
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Questions asked in this paper
Duration: 3 Hours [Marks: 80]
N.B.: (1) Question No | is Compulsory
(2) Attempt any three questions out of the remaining five
(3) All questions carry equal marks
(4) Assume suitable data, if required, and state it clearly
1 Attempt any FOUR [20]
a Compare Harvard and Von Neumann architecture
Explain cache memory
List the features of ARM7
e List the features of ATMEGA 328P
2 Explain addressing modes of 8051 with one example each. [10]
between: i) Static and Dynamic RAM. ii) Paging and segmentation. [10]
Explain with diagram Interfacing of electric kettle operating on 230V/5A to
microcontroller. Write a program to make it ON and OFF depending on the status
of bit, with an address O9H
b Explain exceptions handling in ARM7 with reference to exception entry, return [10]
and exception priorities
4 a_ Explain serial communication in 8051 with the help of SCON register. [10]
Explain the concepts of program counter, stack and stack pointer. [10]
5 are the factors to consider while selecting microcontroller for a given [10]
Explain in detail with diagrams ports of microcontroller 8051. [10]
6 Write an 8051 program to convert hexadecimal number stored in location 20H to
unpacked decimal. Store the result at 21H, 22H and 23H
Explain ARMs programmers’ model with neat diagram. [10]
N.B.: (1) Question No | is Compulsory
(2) Attempt any three questions out of the remaining five
(3) All questions carry equal marks
(4) Assume suitable data, if required, and state it clearly
1 Attempt any FOUR [20]
a Compare Harvard and Von Neumann architecture
Explain cache memory
List the features of ARM7
e List the features of ATMEGA 328P
2 Explain addressing modes of 8051 with one example each. [10]
between: i) Static and Dynamic RAM. ii) Paging and segmentation. [10]
Explain with diagram Interfacing of electric kettle operating on 230V/5A to
microcontroller. Write a program to make it ON and OFF depending on the status
of bit, with an address O9H
b Explain exceptions handling in ARM7 with reference to exception entry, return [10]
and exception priorities
4 a_ Explain serial communication in 8051 with the help of SCON register. [10]
Explain the concepts of program counter, stack and stack pointer. [10]
5 are the factors to consider while selecting microcontroller for a given [10]
Explain in detail with diagrams ports of microcontroller 8051. [10]
6 Write an 8051 program to convert hexadecimal number stored in location 20H to
unpacked decimal. Store the result at 21H, 22H and 23H
Explain ARMs programmers’ model with neat diagram. [10]
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