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Reg. No _______________

Name _________________

FIFTH SEMESTER B.TECH DEGREE EXAMINATION

Branch: Applied Electronic ! Intr"#entation $ Electronic ! Co##"nication

En%ineerin%

&'.()' Microproceor ! Microcontroller *AT+

Ti#e: ' Ho"r Ma,. Mar-: &))

art / A

Answer all questions*&)01 #ar-21) #ar-+

1. Mention priority for various interrupts in 8085?

2. Differentiate between various types of buses.

3. !at is a "# state? $ow many " states are present in t!e instru%tion M&' () *.

+omment on t!e time re,uire- for its ee%ution.

/. !at is DM(? !at is use of a $&D signas?

5. !i%! is "R(. !at !appens to t!e + %ontents w!en t!is is ee%ute-?

. Mention four ma4or -ifferen%es between Mi%ropro%essors an- Mi%ro %ontroers

. !at is 6 in 8051? !at is t!e roe of 6 spe%ia fun%tion register in

resuming program ee%ution after servi%ing a subroutine?

8. !at are t!e 3 types of 4ump instru%tions in 8051?

7. rite any four fun%tions of seria port %ontro register in 8051?

10. !at is t!e 3 stage pipeine present in (RM "DM singe %y%e instru%tion.

art / B

Mod"le I

11. 9a: +assify t!e 8085 instru%tion set to various types. 6;et%! t!e %ontents of

6 w!en ea%! instru%tion is ee%ute- giving eampes for ea%! type.

*&)ar-+

9b: 6;et%! t!e ar%!ite%ture of 8085 an- epain it briefy *&) #ar-+

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OR

12. 9a: !at are t!e various ma%!ine %y%es? 6;et%! t!e timing -iagram of a 2 byte

instru%tion an- epain. *&) #ar-+

9b: rite a 8085 program to sort ten singe byte numbers in as%en-ing or-er an-store t!e resut starting from t!e o%ation /0009$:. *&) #ar-+

Mod"le II

13. 9a: 6;et%! t!e interna ar%!ite%ture for various ports in 8051. rite a

program to fin- t!e !ig!est of 100 singe byte numbers an- store t!e resut in

8000$

*&) ar-+9b: n 8051) %onfigure "imer 0 in mo-e 2 an- %a%uate t!e time ta;en for

overfow fag to be raise- if %o%; fre,uen%y is 1 M$< an- "$0 is oa-e- wit!

70$

*&)#ar-+

OR

1/. 9a: Draw t!e interna ar%!ite%ture of 8051 an- epain it briefy *&) #ar-+

9b: =pain various types of a--ressing mo-es in 8051 wit! suitabe eampes

*&)

#ar-+

Mod"le III

15. 9a: =pain !ow (D+ 0808 is interfa%e- wit! 8051. 6;et%! t!e timing -iagram

for (D+ interfa%e. *&) #ar-+

9b: Draw t!e bo%; -iagram of 8051 seria port in mo-e2 an- -is%uss its features

*&) #ar-+

OR

1. 9a: =pain !ow a +D mo-ue is interfa%e- wit! 8051 *&) #ar-+

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9b: Draw t!e bo%; -iagram of 8051 seria port operation in mo-e 0 an- -is%uss

its features

*&) #ar-+

Mod"le I3

1. 9a: !at is t!e 3 stage pipeine present in (RM "DM singe %y%e

instru%tion. =pain briefy *&) #ar-+

9b: 6;et%! t!e bo%; -iagram of ar%!ite%ture of a + mi%ro %ontroer an-

epain briefy *&) #ar-+

OR

18. 9a: !at are t!e seven basi% operating mo-es of (RM pro%essor. !at are

e%eption mo-es among t!em. Mention t!e subset of registers a%%esse- in ea%!

mo-e. *&) #ar-+

*4+ !at are t!e steps invove- in programming +1>8/. !at are t!e

anguages use-. Mention one typi%a appi%ation of +1>8/

*&) #ar-+

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