Gujarat Technological University 2011-6th Sem B.E Electrical Engineering , MICROCONTROLLER , th - Question Paper

* Gujarat Technological University
* Microcontroller
* 2011

Q.1(a) Draw & discuss the block diagram of 8051. [Mark 10]
(b) provide bit format of PSW in 8051.Explain bit significance of every bit. [Mark 4]

Q.2(a) Compare microprocessor with microcontroller.[Mark 07]
(b) explain bit trend and signifacance of every bit of TCON and TMOD register of 8051.[Mark 07]

*OR*

(b)With neat diagram, discuss how 8K EPROM and 16K of RAM can be connected to microcontroller 8031.

Q.3(a) discuss addressing modes of 8051 with the help of examples.[Mark 07]
(b) What is bit level instructions? discuss all bit level logical instruction in detail.[Mark 07]
*OR*

Q.3(a) Write the program using assembly language program to put data in memory location 40H to 44H
and add them[Mark 07]
(b) discuss editor,assembler,compiler,linker.[Mark 07]

Q.4(a) discuss the subsequent instrction of 8051
1)PUSH 2)POP 3) DJNZ [Mark 06]
(b) What is jump range? discuss short absolute, long absolute and relative jump using
improper instruction.[Mark 04]
(c) Write 8051 C program to toggle MSB bit of port 1. [Mark 4]
*OR*

Q.4(a) With neat block diagram, discuss the interfacing of seven segment LED display.[Mark 07]
(b) What is interrupt? discuss different SFRs needed with interrupts of 8051 in detail.[Mark 07]

Q.5(a) What is PWM? discuss how 8051 can be used to control speed of DC motor using this technique. [Mark 07]
(b) provide a complete scheme to interface in eight bit ADC to 8051 microcontroller.[Mark 07]
*OR*

Q.5(a) discuss port structure and operation of ports of 8051.[Mark 07]
(b) discuss SCON and PCON special function register of 8051.[Mark 07]

Earning:   Approval pending.