MICROPROCESSORS AND MICROCONTROLLERS - 2 (MPMC) DECEMBER 2012 [EXTC] ELECTRONICS AND TELECOMMUNICATION SEMESTER 6
Con.8257-12 KR-8720(3 Hours) [Total Marks:-100]
N.B: (1) Questions No.1 is compulsory.
(2) Attempt any four questions from remaining six questions.
Q.1 (a) Compare 8086 and 8088 microprocessor. [4 Marks]
(b) Write function for following pin for 8086 microprocessor. [6 Marks]
(i)
(iii)
(c) Explain status register of PIC 18. [5 Marks]
(d) Write a program for PIC 18 to configure PORT B as output send 55 and AA atternately
to PORT B. [5 Marks]
Q.2 (a) Explain interrupt structure of 8086 microprocessor. [10 Marks]
(b) Explain difference between 8086, 80186, 80286,80386 and 80486 microprocessor.
[10 Marks]
Q.3 (a) Explain addressing modes of 8086 microprocessor. [10 Marks]
(b) Explain following instruction of PIC-18 [10 Marks]
(i) BTFSS F,b, A
(ii) XORWF F,d,a
(iii) ADDLW 0 x 25
(iv) MOVFF
(v) NEGF f,a.
Q.4 (a) Explain instruction formate used in PIC-18. [10 Marks]
(b) Explain maximum mode of 8086 microprocessor. [10 Marks]
Q.5 (a) Draw and explain interfacing of 8086-8295 PIC. [10 Marks]
(b) Explain features of coprocessor 8087. Explain interfacing with 8086 microprocessor.
[10 Marks]
Q.6 (a) Explain I/O port structure of PIC-18. [10 Marks]
(b) A Bank of 8 push buttons keys are connected to PORT B of PIC-18. Write a program to
recognize key pressed, debounce key and identify location in the key bank with numbers
from 0 to 7. [10 Marks]
Q.7 (a) Explain assembler directives used in 8086 microprocessor. [10 Marks]
(b) Explain pipeline concept used in PIC-18. [10 Marks]
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