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MU Electronics and Telecom Engineering (Semester 5)
Microcontrollers and Applications
December 2016
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

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1(a) Differentiate between microprocessor and microcontroller.
5 M
1(b) Explain 8051 assembler directives.
5 M
1(c) Short Note: CPSR
5 M
1(d) List and explain design metrics of an Embedded System.
5 M

2(a) Explain PORT 1 structure of 8051.
10 M
2(b) Design a microcontroller system using 8051 microcontroller, 8kB EPROM & 8kB RAM.
10 M

3(a) WAP for 8051 microcontroller to generate a square waveform of frequency 1kHz and 50% duty cycle at pin P1.1. Assume 8051 is operating at frequency 12MHz.
10 M
3(b) Interface 8051 with DAC 0808, WAP to generate a traingular waveform.
10 M

4(a) Draw and explain data flow model of ARM7.
10 M
4(b) Explain register organization of ARM7.
10 M

5(a) Explain ARM following instructions:
CMPr0,
r1,
LSR#7
ADDr2,
r1,
r0
LDR r10,
[r1]
ANDr1,
r1,
#3
OR r2,
r2,
#3
10 M
5(b) Explain digital camera as an example of embedded system.
10 M

6(a) Short Notes: Interrupt structure of 8051
10 M
6(b) Short Notes: Timer modes 8051.
10 M


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