SUBJECT - EMBEDDED SYSTEMS
CODE - 09 L05
SEMESTER - SIXTH
BRANCH - AI
UNIVERSITY - CALICUT
YEAR - 2012
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Part A
Answer all Questions
1.Define embedded system.
2.List any two communication software used in Embedded System.
3.Give reasons why microcontrollers are used in Embedded Systems, and not microprocessors.
4.Name the interrupts associated with PIG 16F84.
5.Define pipes and state their function.
(5x2=10 marks)
Part B
Answer any four questions,
6.Bring out differences between hard and soft real time systems. Give example.
7.Explain the memory organization of 8051 microcontroller.
8.Draw the schematic showing the interface of temperature sensor to 8051 microcontroller.
9.List the addressing modes of PIC16F84 and give one example for each mode.
10.Differentiate between static and dynamic scheduling methods.
11.What are the issues involved in the selection of an architecture for the design of an Embedded System?
Part C
Answer all questions
12.(a) Discuss about the various components of Embedded Systems.
Or
(b)Explain about specifications and requirements in an Embedded System.
13.(a) Discuss the various modes of operation of Timer and explain how 8051 can be used to
generate a square waveform of 1kHz at Pl.O pin in Timer Mode 1.
Or
(b)Explain the steps involved in interfacing a DAG to 8051.
14.(a) Explain the memory organization of the PIG microcontroller.
Or
(b)Describe the GPU of 80196 microcontroller.
15.(a) Discuss the Round Robin method of scheduling algorithm.
Or
(b) Explain the salient features of Linux operating system.
(4x10=40 marks)
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