MU Information Technology (Semester 5)
Microcontroller and Embedded Systems
December 2015
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


1 (a) What are the specialities of Embedded Systems?
4 M
1 (b) What are the major components of 8051 microcontroller?
3 M
1 (c) Explain in brief Assembler Directives with respect to 8051 assembler.
3 M
1 (d) Explain in brief the principal features of the ARM architecture.
3 M
1 (e) Explain in brief Real Time Operating Systems.
4 M
1 (f) Explain in brief features of DSP and SOC.
3 M

2 (a) Explain in detail pipelining in ARM7 processor?
10 M
2 (b) What are the Addressing Modes of 8051 microcontroller?
10 M

3 (a) Explain functions of Program Status Word Register. Timer Control Register and Interrupt Priority Register in 8051 microcontroller.
10 M
3 (b) Explain how Exceptions and Interrupts are handled in ARM 7.
10 M

4 (a) Assuming crystal frequency = 11.0592 MHz, write an Assembly Language Program for 8051 to generate square wave of 50 Hz at port pin P2.3. Draw circuit diagram & implement the same.
10 M
4 (b) List Task scheduling algorithms. Explain operation of each of the algorithms.
10 M

5 (a) List the Kernel objects and explain functions of each of the objects.
10 M
5 (b) Explain with block diagram design of Battery Operated Smart Card Reader.
10 M

Write short note on the following.
6 (a) Digital Clock as an embedded system.
7 M
6 (b) Serial Port Communication in 8051.
6 M
6 (c) Addressing Modes of ARM 7 Processor.
7 M



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