Microcontroller and Embedded Systems - Dec 2015

Information Technology (Semester 5)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks. 1 (a) What are the specialities of Embedded Systems?(4 marks) 1 (b) What are the major components of 8051 microcontroller?(3 marks) 1 (c) Explain in brief Assembler Directives with respect to 8051 assembler.(3 marks) 1 (d) Explain in brief the principal features of the ARM architecture.(3 marks) 1 (e) Explain in brief Real Time Operating Systems.(4 marks) 1 (f) Explain in brief features of DSP and SOC.(3 marks) 2 (a) Explain in detail pipelining in ARM7 processor?(10 marks) 2 (b) What are the Addressing Modes of 8051 microcontroller?(10 marks) 3 (a) Explain functions of Program Status Word Register. Timer Control Register and Interrupt Priority Register in 8051 microcontroller.(10 marks) 3 (b) Explain how Exceptions and Interrupts are handled in ARM 7.(10 marks) 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 marks) 4 (b) List Task scheduling algorithms. Explain operation of each of the algorithms.(10 marks) 5 (a) List the Kernel objects and explain functions of each of the objects.(10 marks) 5 (b) Explain with block diagram design of Battery Operated Smart Card Reader.(10 marks)

Write short note on the following.

6 (a) Digital Clock as an embedded system.(7 marks) 6 (b) Serial Port Communication in 8051.(6 marks) 6 (c) Addressing Modes of ARM 7 Processor.(7 marks)