M.Sc. (Semester II) (CBCS) Examination Nov/Dec-2018
Electronic Science
PIC MICROCONTROLLER
Time 2½ Hours Max. Marks: 70
Instructions: Q.1 and Q.2 are compulsory.
Attempt any three questions from Q. 3 to Q.7.
All questions carry equal marks.
Use of nonprogrammable calculator is allowed.
Q.1 Select the correct alternatives:- 08
The PIC18FXXXX microcontroller has architecture.
John von Newman Oxford
Harvard Cambridge
The bit size of PIC microcontroller is
8 bit 10 bit
12 bit 14 bit
PIC stands for
Peripheral interface controller
Programmable interface controller
Programmable interval controller
None of the above
The instruction set of PIC is
RISC CISC
MISC FISC
The program memory of PIC18F is
4KB 8KB
16KB 32KB
I2C stands for
Inter integrated circuit
Information interchange command
Inter integrated command
None of these
Watchdog timer is a
Register Device
Reset pin None of these
Number of instruction in PIC18FXXXX microcontroller
35 65
75 45
Q.1 State true and false 06
PIC18FXXXX are CISC microcontrollers.
PIC ports are bits addressable.
PIC microcontroller has separate program and data bus.
PIC microcontrollers have single cycle instructions.
Timers in PIC microcontroller are 8-bit.
On-chip ADC is 10-bit.
Q.2 Attempt the following.
State the salient features of PIC18FXXXX microcontroller. 05
Describe the addressing modes of PIC microcontroller. 05
Write the features of MPLAB IDE. 04
Q.3 Describe the architecture of PIC microcontroller. 10
Write a program to read a switch. 04
Q.4 Explain byte oriented operations in PIC microcontroller with suitable
example.
08
Write a program to generate PWM wave using on-chip CCP. 06
Q.5 Give a brief overview of RESET sources in PIC microcontroller. 08
Write a short note on ADC module of PIC microcontroller. 06
Q.6 Explain interfacing of stepper motor to PIC microcontroller and write a
program to rotate in full step CCW.
10
What are PickKit2 and PickKit3 debug tools? 04
Q.7 Describe hardware and software features of interfacing a humidity Sensor
to PIC microcontroller.
08
Write a short note on opto-coupler interface to PIC. 06