Download GTU B.Tech 2020 Winter 5th Sem 3150306 Microcontroller Programming And Interfacing Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 5th Sem 3150306 Microcontroller Programming And Interfacing Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?V (NEW) EXAMINATION ? WINTER 2020
Subject Code:3150306 Date:29/01/2021
Subject Name:Microcontroller Programming & Interfacing
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


MARKS
Q.1 (a) Enlist Characteristic of Embedded system
03

(b) Compare Block diagram of Microprocessor and Microcontroller.
04

(c) Draw and discuss Architecture of 8051C.
07


Q.2 (a) Discuss Criteria for selecting Microcontroller.
03

(b) Explain Working of PORT0 of 8051C.
04

(c) Differentiate and explain between different Addressing modes of 8051C.
07




Q.3 (a) Draw Crystal Oscillator interfacing with ATMEGA 32 C, Provide Capacitor
03
values for different frequencies.

(b) Treat registers R0 and R1 as 16 bit registers, and rotate them one place to the
04
left; bit 7 of R0 becomes bit 0 of R1, bit 7 of R1 becomes bit 0 of R0, and so on.

(c) Number FFh is placed somewhere in external RAM between locations 0100h
07
and 0200h. Find the address of that location and put that address in R6 (LSB)
and R7 (MSB).




Q.4 (a) Enlist features of ADC module of ATMEGA 32 C.
03

(b) 8 devices are connected one with each pin of Port 1. Write a program to turn off
04
devices connected to pin 1.0 to pin 1.3 and turn on devices connected to pin 1.2
and p1.7.

(c) Set every third byte in internal RAM from address 20h to 7Fh to FFH
07
Q.5 (a) Explain ADCSRA Register of ATMEGA 32 C.
03

(b) Draw and Explain ATmega 32 pin configuration.
04

(c) Write a C Program to display "BME" in 1st line and your name in 2nd line of
07
LCD for ATMEGA 32 C.



Q.6 (a) Draw and explain 8-bit timer module.
03

(b) Explain STATUS Register of ATMEGA 32 C.
04

(c) Write a C Program to interface Stepper Motor with ATMEGA 32 C.
07
Q.7 (a) Explain UCSRA register of ATMEGA 32 C.
03

(b) What is Interrupt? Explain working of it in ATMEGA 32 C.
04

(c) Write a C program to generate square wave of 1 KHz using timer1. (Crystal
07
freq:8MHz)





1

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Q.8 (a) Enlist various interrupt sources of ATMEGA 32 C.
03
(b) Write a C Program to Send and receive serial communication with computer at
04
19200 Baud.
(c) Explain Architecture of ATMEGA 32 C.
07


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