MICROPROCESSORS AND MICROCONTROLLERS - 2 (MPMC) MAY 2013 [EXTC] ELECTRONICS AND TELECOMMUNICATION SEMESTER 6

MICROPROCESSORS AND MICROCONTROLLERS - 2 (MPMC) MAY 2013  [EXTC] ELECTRONICS AND TELECOMMUNICATION SEMESTER 6

Con. 7241-13.                                                                                            GS-9789
                                                  (3 Hours)                                         [Total Marks : 100]

N. B. : (1) Question No. 1 is Compulsory.
           (2) Solve any four questions from the remaining six questions.
           (3) Figures to the right indicate full marks.
           (4) Assume suitable wherever necessary.

1. (a)	Design 8086 microprocessor based system using mininimum mode following	10
	specifications :-
	(i) 8086 microprocessor working at 8 MHz
	(ii) 32 KB EPROM using 16 K X 8 devices
	(iii) 32 KB SRAM using 16 K X 8 devices.
	Clearly show memory map address ranges. Draw a neat schematic.
(b)	What is segmented memory and what are its advantages ? Explain logical and physical.	5
	address in 8086.
(c)	Explain features of PIC 18F microcontroller.	5
2. (a)	Draw and explain interfacing of 8086 with 8255.	10
(b)	Explain data and program memory organization of PIC 18F microprocontroller.	10
3. (a)	Give flowchart and assembly language program for 8086 to substract two 4 digit	10
	BCD numbers.
(b)	Explain the following instructions of PIC 18F microcontroller :-	10
	(i) DAW
	(ii) MOVLB 0 X 06
	(iii) TBLRD*+
	(iv) SLEEP
4. (a)	Explain interrupt structure of 8086.	10
(b)	Explain addressing modes of PIC 18F microcontroller.	10
5. (a)	Interface 8259A to 8086 and write initialization instructions for 8259A to meet	10
	the following specifications :-
	(i) Edge triggered, single
	(ii) Mask interrupts IR1 and IR4
	(iii) Interrupt vector type for IRO is 60H.
(b)	List and explain stack related and processor control instructions of 8086.	10
6. (a)	Explain 8086 maximum mode of operation in detail.	10
(b)	Write assembly language program for PIC 18F microcontroller to evaluate the	10
	following expression.
	Y = P X Q + R X S
	where p, Q, R and S are 8 bit numbers, which are located at memory locations
	0 X 20 to 0 X 23. Store the result Y in memory locations 0 X 24 to 0 X 26.
7.	Write short notes on any four of the following:-	20
	(a) PIC 18F pipelining
	(b) PIC 18F STATUS register
	(c) Memory banking in 8086
	(d) PIC 18F microcontroller REST.
	(e) Advantages of memory segmentation.