Ee6008 Mcbsd Apr May 2017

Question Paper Code : 71757 B.E / B. Tech DEGREE EXAMINATION, APRIL / MAY 2017 Seventh Semester Electrical and Electronics Engineering EE6008 – MICROCONTROLLER BASED SYSTEM DESIGN (Regulation 2013) Time : Three Hours

Maximum: 100 Marks Answer ALL Questions PART A – (10 x 2 – 20 Marks)

1. What are the benefits of having RISC architecture? Refer

Q. No: 5, Page No: TMQA.10

2. Define Brown out reset mode. Refer

Q. No: 16, Page No: TMQA.11

3. Mention the interrupts available in PIC Microcontroller. Refer

Q. No: 6, Page No: TMQA.20

4. Write an ALP to initialize the PORT A using PIC Microcontroller. Refer

Q. No: 2, Page No: TMQA.19

5. Microcontroller based control is more advantageous than conventional control – Justify. Refer

Q. No: 3, Page No: TMQA.21

6. How temperature sensor is interfaced with PIC Microcontroller? Refer

Q. No: 4, Page No: TMQA.21

7. Define context switching. Refer

Q. No: 3, Page No: TMQA.28

8. State the function of ARMulator and define its operations at various levels of accuracy. Refer

Q. No: 4, Page No: TMQA.28

9. Draw the structure of multicycle instruction of three stage pipeline operation.

Refer

Q. No: 15, Page No: TMQA.37

10. What is the role of a co-processor? Refer

Q. No: 16, Page No: TMQA.37

PART B – (5 x 16 = 80 marks) 11. (a) With neat functional block diagram explain the architecture of PIC16C7X Microcontroller in detail. Refer

Section 1.3, 1.3.1

Page Number: 1.21 to 1.26 (or)

(b) (i) Discuss in detail about memory organization of a PIC Microcontroller. Refer

Section 1.2.1

Page Number: 1.9 to 1.11

(ii) Explain the various addressing modes in PIC, for accessing data memory. Refer

Section 1.8

(8)

(8)

Page Number: 1.53 to 1.56

12. (a) Explain the process and procedure to display constant strings and variable strings. Refer

Section 2.11, 2.12

Page Number: 2.62 to 2.68 (or)

(b) Explain the concept of interrupt logic and interrupt structure of PIC Microcontroller with an example. Refer

Section 2.2

Page Number: 2.1 to 2.5

13. (a) Illustrate with suitable example how I2C communication is carried out in PIC microcontroller. Refer

Section 3.2

Page Number: 3.2 to 3.6 (or)

(b) Explain the operation of ADC interfacing with PIC Microcontroller. Refer

Section 3.6

Page Number: 3.13 to 3.17

14. (a) (i) Explain the ARM Programmer’s model in detail, with supporting diagram. Refer

Section 4.3

Page Number: 4.6 to 4.10

(10)

(ii) Write the subroutine program to output a text string following a CALL Instruction using ARM processor. (6) Refer

Section 4.7

Page Number: 4.56 to 4.57 (or)

(b) Write short notes on ARM MMU architecture. Refer

Section 4.8.6

Page Number: 4.66 to 4.72

15. (a) Elaborate the working principle of VLSI ISDN subscriber processor in detail. Refer

Section 5.9.2

Page Number: 5.47 to 5.49 (or)

(b) Write short notes on (i) 5 stage pipeline ARM organization Refer

Section 5.3

Page Number: 5.4 to 5.8

(ii) Coprocessor data and register transfer Answer: For Co-processor data Refer

Section 5.7

Page Number: 5.31 to 5.33

For register transfer Refer

Section 5.6

Page Number: 5.25 to 5.27, and 5.29 to 5.31