MU Microcontroller and Applications - May 2013 Exam Question Paper

MU Electronics Engineering (Semester 5)
Microcontroller and Applications
May 2013

Total marks: --
Total time: --

INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

Attempt the following

1 (a) Explain following signals of 8085
1) ALE,
2) READY,
3) INTR

5 M

1 (b) Explain addressing modes of 8085?

5 M

1 (c) Explain different assembly directives of 8051?

5 M

1 (d) Explain control word of 8255?

5 M

2 (a) Explain interrupt structure of 8051?

10 M

2 (a) Explain different modes of operation of 8254?

10 M

3 (a) Explain register architecture of ARM processor?

10 M

3 (b) Explain architecture of 8051 with neat label diagram?

10 M

4 (a) Explain interfacing of 8259 with 8085 showing decoding logic?

10 M

4 (b) Explain architecture of 8051?

10 M

5 (a) write an assembly language program to read 4 x 4 interface through 8255?

10 M

5 (b) Explain interfacing of external memory with 8051?

10 M

6 (a) Compare variant of 8051 such as 89C51,89C52,89C2051 and 89C2052?

10 M

6 (b) Explain different I/O mapping techniques. Give suitable examples?

10 M

Write Short notes:

7 (a) Serial communication supported by 8085.

5 M

7 (b) Program status word of 8051.

5 M

7 (c) Interrupt acknowledge bus cycle of 8085?

5 M

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