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May Jun 2018 2.pdf
May_Jun_2018_2.pdf
Showing 1-3 out of 3
May Jun 2018 2.pdf-Total No. of Questions : 10]
May_Jun_2018_2.pdf-Total No. of Questions : 10]
May Jun 2018 2.pdf-Total No. of Que...
May_Jun_2018_2.pdf-Total No. of Questions : 10]
Page 1
Total No. of Questions : 10]
[Total No. of Pages : 3
[5353] - 561
TE. (Electrical)
Advanced Microcontroller and its Applications
(2015 Pattern)
(Semester - I)
Time : 2½ Hours]
[Max. Marks : 70
Instructions to the candidates:
1)
Answer Q.1 or Q.2, Q.3 or Q4, Q.5 or Q.6, Q.7 or Q8, Q.9 or Q10.
2)
Figures to the right side indicate full marks.
P3367
Q1)
a)
Write an assembly language program for PIC 18 microcontroller to add
contents of
location 0 × 200 and 0 × 300 in internal data memory and
store the result in internal data memory location 0 × 400.
[6]
b)
Draw the status register for the PIC microcontroller and explain the
function of Digit Carry flag.
[4]
OR
Q2)
a)
Explain the following instructions
[6]
i)
MOVF 0 × 04,0,1
ii)
MOVFF fs,fd
iii)
BSF PORTD,0
b)
Write a program in C language to configure bits RD0 and RB0 as input
bits.
[4]
Q3)
a)
Explain any three addressing modes used in PIC 18 microcontroller.
[6]
b)
With reference timers explain the terms pre scalar and post scalar.
[4]
OR
P.T.O.
SEAT No. :
CEGP013091
49.248.216.238 04/05/2018 14:02:46
CEGP013091
49.248.216.238 04/05/2018 14:02:46
CEGP013091
49.248.216.238 04/05/2018 14:02:46
Page 2
[5353]-561
2
Q4)
a)
Draw T0CON register and explain function of individual bits of T0CON
register.
[6]
b)
Find timer clock frequency and timer period for a PIC 18 microcontroller
with a
crystal frequency of 16MHz. Assume a pre scalar of 64 is used.
[4]
Q5)
a)
Using PWM mode of CCP module, write a program in C language for
PIC18
microcontroller to create a 2.5kHz PWM wave form with a duty
cycle of 75% on CCP1 pin.
[8]
b)
Draw CCP1CON and list the steps involved in programming PIC
microcontroller in Compare mode.
[8]
OR
Q6)
a)
Using compare mode, write program in C language to generate a square
waveform
with 40 ms time period and 50% duty cycle on CCP1 pin
using compare mode.
[8]
b)
Draw CCP1CON and list the steps involved in programming PIC
microcontroller in capture mode.
[8]
Q7)
a)
List the steps for reading Busy flag and explain following pins of LCD
(16 × 2)
[8]
i)
Register select (RS)
ii)
Enable (E)
b)
Using interrupt programming method write a program in C language to
toggle an
LED connected to pin RB7 on occurrence of an interrupt INT0.
[9]
OR
CEGP013091
49.248.216.238 04/05/2018 14:02:46
CEGP013091
49.248.216.238 04/05/2018 14:02:46
CEGP013091
49.248.216.238 04/05/2018 14:02:46
Page 3
[5353]-561
3
Q8)
a)
Explain in detail the functions of following flags related to onboard ADC
of PIC
microcontroller
[8]
i)
ADIF
ii)
Go/Done
iii)
ADFM
iv)
ADON
b)
Write a program for PIC 18 microcontroller to transfer a letter T serially
and continuously at a baud rate of 9600. Use BRGH = 0. Assume crystal
frequency =10MHz.
[9]
Q9)
a)
With the help on interfacing diagram and flowchart explain how PIC18
microcontroller can be used to measure temperature using LM35 sensor.
[8]
b)
Explain with a neat diagram, interfacing of DAC 0808 with PIC
microcontroller
and write a program in C language for generation of
Square waveform using DAC interfaced with PIC microcontroller through
Port B. Use suitable delay. Assume the crystal frequency to be 10MHz.
[9]
OR
Q10)
a)
With the help of a neat interfacing diagram explain interfacing of an opto
isolator
with a PIC 18 microcontroller.
[8]
b)
Using interrupt programming method write a program in C to read value
from channel 0 (RA0) of ADC and display the result on PORT C and
PORT D.
[9]
ddd
CEGP013091
49.248.216.238 04/05/2018 14:02:46
CEGP013091
49.248.216.238 04/05/2018 14:02:46
CEGP013091
49.248.216.238 04/05/2018 14:02:46
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