Registration Number:
PSNA College of Engineering and Technology
Department of Electrical and Electronics Engineering
Serial Test-II
Microcontroller and DSP
Year/Sem
: I M.E/II
Max.Marks:50
Staff In-charge: M.Kaliamoorthy
Part A
Time: 90 Mins
Answer any NINE questions
(9 * 2 = 18)
1.
2.
3.
4.
5.
6.
7.
8.
9.
Classify broadly the special function registers.
Define each bit of status register with their functions.
Mention the difference between the timers and counter.
What is the necessity of prescalar in the timer operation?
Mention the functions of PEIE bit and GIE bit in the INTCON register.
Mention the register which decides the port as input or output.
What is the purpose of pull up resistors?
Mention the types of Timers available with the PIC16C7X with their resolutions.
What are the different types of serial communication systems available in
PIC16C7X?
10. Mention how to select register banks in the PIC16C7X.
Part B
Answer ALL questions
(2 * 16 = 32)
11. What do you meant by interrupt? Explain with neat diagram and the special
function registers associated with the interrupt system of the PIC16C7X
microcontroller.
(16)
(OR)
12. Explain in detail with the registers associate with I/O ports of PIC16C7X
microcontroller and also justify that the PORT B pins are most suitable for checking
the pushbutton on the keyboard.
13. With neat diagrams explain in detail the operation of Timer 0, Timer 1 and Timer 2
of PIC16C7X microcontroller.
(OR)
14. With neat diagrams explain in detail the operation of analog to digital converter of
PIC16C7X microcontroller.
Staff in charge
HOD/EEE