Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 5th Sem New 2150907 Microprocessor And Microcontroller Architecture And Interfacing Previous Question Paper
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?V (NEW) EXAMINATION ? WINTER 2018
Subject Code:2150907 Date:16/11/2018
Subject Name:Microprocessor and Microcontroller Architecture & Interfacing
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Compare Van Neumann and Harvard Architecture. 03
(b) Define addressing mode. List different addressing modes of
8051with example.
04
(c) Draw and explain architectural block diagram of 8051. 07
Q.2 (a) List different modes of Timers and show bit structure of TMOD
and TCON register.
03
(b) Explain PSW register in brief. 04
(c) Write an Assembly language program to find number of 1?s and
0?s from a given 8 bit data.
07
OR
(c) Write an Assembly language program to copy block of 8 bit data
stored at 40h-44h memory location into 50h-54h Memory
locations.
07
Q.3 (a) Explain function of following pins:
(A) TRAP
(C) HOLD
(D) READY
03
(b) Give Bit format of PSW in 8051.Explain bit significance of each
bit.
04
(c) Prepare a timing diagram for instruction MOV A, B. 07
OR
Q.3 (a) For an 8051 system of 11.0592MHZ,Find how long it takes to
execute following instructions:
DEC R3, LJMP, MUL AB
03
(b) Write an 8051 C program to turn bit p0.5 on and off 10,000times. 04
(c) Write an assembly language program to convert HEX number in
unpacked BCD number .Store the result into Memory locations
30H onwards.
07
Q.4 (a) Enlist 8051 interrupts with vector address according to Priority. 03
(b) Explain IE and IP register in brief. 04
(c) Write an assembly language program to generate square wave of
50HZ frequency on pin 1.2using Timer 0 ,Mode1 and assume
XTAL=11.0592MHZ
07
OR
Q.4 (a) Draw logic diagram to generate control signal necessary for
interfacing with memory chip.
03
(b) Explain demultiplexing of Address/data lines in 8085. 04
www.FirstRanker.com www.FirstRanker.com
www.FirstRanker.com
FirstRanker.com - FirstRanker's Choice
www.FirstRanker.com
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?V (NEW) EXAMINATION ? WINTER 2018
Subject Code:2150907 Date:16/11/2018
Subject Name:Microprocessor and Microcontroller Architecture & Interfacing
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Compare Van Neumann and Harvard Architecture. 03
(b) Define addressing mode. List different addressing modes of
8051with example.
04
(c) Draw and explain architectural block diagram of 8051. 07
Q.2 (a) List different modes of Timers and show bit structure of TMOD
and TCON register.
03
(b) Explain PSW register in brief. 04
(c) Write an Assembly language program to find number of 1?s and
0?s from a given 8 bit data.
07
OR
(c) Write an Assembly language program to copy block of 8 bit data
stored at 40h-44h memory location into 50h-54h Memory
locations.
07
Q.3 (a) Explain function of following pins:
(A) TRAP
(C) HOLD
(D) READY
03
(b) Give Bit format of PSW in 8051.Explain bit significance of each
bit.
04
(c) Prepare a timing diagram for instruction MOV A, B. 07
OR
Q.3 (a) For an 8051 system of 11.0592MHZ,Find how long it takes to
execute following instructions:
DEC R3, LJMP, MUL AB
03
(b) Write an 8051 C program to turn bit p0.5 on and off 10,000times. 04
(c) Write an assembly language program to convert HEX number in
unpacked BCD number .Store the result into Memory locations
30H onwards.
07
Q.4 (a) Enlist 8051 interrupts with vector address according to Priority. 03
(b) Explain IE and IP register in brief. 04
(c) Write an assembly language program to generate square wave of
50HZ frequency on pin 1.2using Timer 0 ,Mode1 and assume
XTAL=11.0592MHZ
07
OR
Q.4 (a) Draw logic diagram to generate control signal necessary for
interfacing with memory chip.
03
(b) Explain demultiplexing of Address/data lines in 8085. 04
www.FirstRanker.com www.FirstRanker.com
www.FirstRanker.com
www.FirstRanker.com
2
(c) Explain Editor, Assembler, Compiler and Linker. 07
Q.5 (a) Explain tri state logic devices in brief. 03
(b) Write a short not on different type of Memory. 04
(c) Draw and explain LCD interfacing circuit. 07
OR
Q.5 (a) Compare CISC and RISC processor. 03
(b) Write a C program for 8051 to transfer letter ?A? serially at 9600
baud rate continuously.
04
(c) Give a complete scheme to interface an 8 bit ADC to 8051
microcontroller.
07
*************
www.FirstRanker.com www.FirstRanker.com
www.FirstRanker.com
FirstRanker.com - FirstRanker's Choice
This post was last modified on 20 February 2020