SPPU Electronics and Telecom Engineering (Semester 6)
Embedded Processors
December 2015
Total marks: --
Total time: --
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

Solve any one question from Q1 and Q2
1 (a) Explain the following instructions with example i) SWP R0, R1
ii) MUL R1, R2, R3
iii) LDR R2 [R3]
6 M
1 (b) Explain with figure structure of CPSR register of LPC2148.
4 M

2 (a) Draw and explain block diagram of LPC 2148.
6 M
2 (b) Describe with figure interfacing diagram of T2C EPROM with LPC2148.
4 M

Solve any one question from Q3 and Q4
3 (a) List the features of VART0. Compare it with UART1 CPC 2148.
4 M
3 (b) Write embedded C program for on chip ADC for LPC 2148.
6 M

4 (a) Write comparison of ARM7, ARM9, ARM11.
5 M
4 (b) Write function of barrel shifter in ARM data flow model.
2 M
4 (c) Write significance of special registers. r13, r14, r15 in ARM7.
3 M

Solve any one question from Q5 and Q6
5 (a) Write comparison of ARM7 with ARM cortex.
4 M
5 (b) Describe the need of operating system in embedded system design. Explain desired features of operating system for complex embedded System.
6 M
5 (c) Draw and explain with algorithm interfacing diagram of RGB LED with LPC 1768.
6 M

6 (a) Draw and explain CMSIS structure of cortex series.
8 M
6 (b) Draw and explain interfacing diagram of seven segment display with LPC 1768 draw flow chart for the same.
8 M

Solve any one question from Q7 and Q8
7 (a) Explain with neat block diagram LPC 1768.
8 M
7 (b) Draw and explain power control block of LPC 1768. Explain power saving mode.
8 M

8 (a) Explain the role of following registers in LPC 1768.
i) Direction register
ii) Set register
iii) Clear register
iv) Mask register
8 M
8 (b) What is PWM? Write C program for PWM to drive DC motor with LPC 1768.
8 M

Solve any one question from Q9 and Q10
9 (a) Explain the following blocks of LPC 1768.
i) NVIC (Nested Vector Interrupt Controller) ii) MPV (Memory Protection Unit)
9 M
9 (b) Draw and explain clock control block of LPC 1768.
9 M

Write short notes on:
10 (a) USB - (Feature frame structure, diagram)
6 M
10 (b) Ethernet - (Feature Block diagram, frames structure etc.)
6 M
10 (c) CAN Protocol. - (Feature Block diagram etc.)
6 M

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