Microcontrollers and Applications - Dec 2016

Electronics & Telecomm. (Semester 5)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks. 1(a) Differentiate between microprocessor and microcontroller.(5 marks) 1(b) Explain 8051 assembler directives.(5 marks) 1(c) Short Note: CPSR(5 marks) 1(d) List and explain design metrics of an Embedded System.(5 marks) 2(a) Explain PORT 1 structure of 8051.(10 marks) 2(b) Design a microcontroller system using 8051 microcontroller, 8kB EPROM & 8kB RAM.(10 marks) 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 marks) 3(b) Interface 8051 with DAC 0808, WAP to generate a traingular waveform.(10 marks) 4(a) Draw and explain data flow model of ARM7.(10 marks) 4(b) Explain register organization of ARM7.(10 marks) 5(a) Explain ARM following instructions:
CMPr0,
r1,
LSR#7
ADDr2,
r1,
r0
LDR r10,
[r1]
ANDr1,
r1,
#3
OR r2,
r2,
#3(10 marks) 5(b) Explain digital camera as an example of embedded system.(10 marks) 6(a) Short Notes: Interrupt structure of 8051(10 marks) 6(b) Short Notes: Timer modes 8051.(10 marks)