Reg. No. :

M.E. DEGREE EXAMINATION, JUNE 2010

First Semester

Applied Electronics

AP9213 — ADVANCED MICROPROCESSORS AND MICRO CONTROLLERS

(Common to M.E. Communication Systems and M.E. VLSI Design)

(Regulation 2009)

Time : Three hours Maximum : 100 Marks

Answer ALL Questions

PART A — (10 × 2 = 20 Marks)

1. What are the advantages of segmented memory?

2. Mention the different types of pipeline hazards.

3. What is the system memory management mode of operation for the Pentium?

How is the mode exited?

4. What are the limitations of paging mechanism?

5. List the most notable features of the ARM instruction set.

6. Define the pipeline stages in a 5-stage pipeline of ARM processor.

7. List the different types of addressing modes supported by Motorola 68HC11.

8. What are the built-in peripherals in 68HC11?

9. Show the status register format in PIC micro controller.

10. Name the different interrupt sources present in PIC micro controller.

PART B — (5 × 16 = 80 Marks)

11. (a) Explain in detail the different address mapping techniques used in cache

memory. (16)

Or

(b) (i) Explain the technique used to minimize hazards in a pipeline

processor. (10)

(ii) Compare RISC and CISC processor architectures. (6)

Question Paper Code: J7603

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12. (a) (i) Discuss the branch prediction mechanism supported by Pentium

processor. (6)

(ii) Discuss the integer unit and floating point unit pipeline in

Pentium. (10)

Or

(b) (i) Discuss how multitasking environment is efficiently handled by

Pentium processor. (6)

(ii) Discuss the data transfer and branch group instructions of

Pentium. (10)

13. (a) (i) Describe the programming model of ARM processor. (8)

(ii) Explain how memory is organised in ARM processor. (8)

Or

(b) Describe the operations carried out by the different data processing

instructions in ARM processor. (16)

14. (a) (i) Describe the architecture of 68HC11. (8)

(ii) Discuss the interrupt system of 68HC11. (8)

Or

(b) (i) Explain the serial communication interface in 68HC11. (10)

(ii) Explain the A/D converter interface in 68HC11. (6)

15. (a) (i) Describe the architecture of PIC micro controllers. (10)

(ii) Discuss the features of register bank in PIC micro controller. (6)

Or

(b) Describe the features of UART and A/D converter in PIC micro controller.

(16)

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