Download JNTUA B.Tech 4-2 R13 2018 July Supple 13A04703 Embedded Systems Question Paper

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Code: 13A04703


B.Tech IV Year II Semester (R13) Advanced Supplementary Examinations July 2018
EMBEDDED SYSTEMS
(Electrical and Electronics Engineering)

Time: 3 hours Max. Marks: 70

PART ? A
(Compulsory Question)

*****
1 Answer the following: (10 X 02 = 20 Marks)
(a) List the applications of embedded systems.
(b) Differentiate SISC and RISC design.
(c) State about Watch dog timer.
(d) List on chip peripherals of MSP430x5X series.
(e) Justify, how data transfer takes place in MSP430.
(f) State the role of timer and real time clock in MSP430.
(g) Justify why device drivers are necessary for interfacing a device with a processor.
(h) Define SPI and point out the operating speed of SPI.
(i) State about IOT and its features.
(j) Describe about embedded Wi-Fi.

PART ? B
(Answer all five units, 5 X 10 = 50 Marks)

UNIT ? I

2 Draw and explain the architecture of MSP430 microcontroller.
OR
3 (a) Explain Hardware architecture with neat diagram.
(b) Analyze the addressing modes of MSP430 microcontroller.

UNIT ? II

4 Discuss about FRAM and Flash memory for low power and reliability.
OR
5 Explain the block diagram, address space and register sets of MSP430x5x microcontroller.

UNIT ? III

6 Illustrate with neat diagram for remote controller of air conditioner using MSP430.
OR
7 Explain analog interfacing and data acquisition takes place in MSP430 microcontroller.

UNIT ? IV

8 Demonstrate a low-Power battery less wireless temperature and humidity sensor with passive low
Frequency RFID.
OR
9

Explain how serial data transfer is performed in I
2
C bus. Also brief the steps involved in transfer of a byte
using I
2
C.

UNIT ? V

10 Demonstrate the implementation of Wi-Fi connectivity in a Smart Electric Meter.
OR
11 Discuss about IOT architecture with neat diagram.

*****
R13
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