RTU 2016 Question Paper Semester VIII Electronics and Communication Engineering Micro Controller and Embedded systems

or[as ] rur;, \o t\ .-, \J B.Tech. VIII Semester (Main) Examination, May 2016 € Electronics And Communication Engg. rc ffi 88C4.3 Micro Controller and Ennbedded Systems Time : 3llours Maximum Marks : 80 Min. Passing Marks : 2'1 Instractions ta Candidates; Attempt any Jive questions, selecting ane question from each anit. All questions corry equol marks. (Schematic diagrams must be shown wherever necessary'. Any data ),ow feel missing suitably be assumed and stated clearly-) {inits of quantities used/calculated ruu.st be s{sted clearly Unit - l 1" Draw and explain the functionai block diagra.m of 8051 inicro controlter (f 6) OR 1. a) Explainthepindiagram of805tr micro eontroller (10) b) Explain the bit format of SCOI-I and FCCN registers of 8G51 rnicro controller (6) Unit - fi 2. Explain the Jump and Call insfirurnents of 8051 assernbly langr.iage with examples (16) OR , Explain the various addressing modes of 8051 micro controller {16} Unlt - III 3. Explain interrupt strueture of 8051 in detail (16) OR Explain TMOD and TCON registers of 8051 miero controlier (16) 3. 8E8G26lzoro (1) [Cont...

Unit - IV 4. Compare serial VO Interface and narftlt VO Interface with suitable example(16) , OR 4. Explain the interfacing ofLCD display with 8051 micro controller (16) Unit - V 5. what is scheduling? Explain Full pre-emptive scheduling (16) OR 5. a) What do you mean by reat time operating system for system design? What is difference between Hard real time operating system and soft real time operating system (S) b) What do you mean by multi tasking system? Explain with suitable examples (S) I i I 8E8026 Q)