MU Microcontrollers and Applications - May 2014 Exam Question Paper

MU Electronics and Telecom Engineering (Semester 5)
Microcontrollers and Applications
May 2014

Total marks: --
Total time: --

INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (b) Explain SIM instruction of 8085

5 M

1 (c) Explain TCON register of 8051

5 M

1 (d) Compare features of 89C51, 89C53, 89C2051, 89C2052

5 M

1(a) State features of ARM controller.

5 M

2 (a) Design 8085 based system with following specifications
(a) CPU working at 6 MHz
(b) 16KB EPROM using 8K device
(c) 8KB SRAM using 4K device.

10 M

2 (b) Write assembly language program for 8085 to move a block of stored at location 2100 to location 3100

10 M

3 (a) Explain ICW's and OCE's of PIC 8259

10 M

3 (b) Explain strobe j input output mode of PPI 8255

10 M

4 (a) Draw and explain internal memory organization of 8051

10 M

4 (b) Explain 8253 control word format and set up the 8253 as square wave generator with 1 ms period if input frequency to 8253 is 1 MHz

10 M

5 (a) Explain addressing modes of ARM controller

10 M

5 (b) Given an arrary of 10 numbers, write assembly language program for 8051 to find smallest amongst the ten numbers stored from memory location 3000

10 M

6 (a) Draw and explain timming diagram of following 8085 instruction
(a) MVI M,25H
(b) LDA 3200

10 M

6 (b) Draw and explain internal structure of Port-1 and Port-3 of 8051

10 M

7 (a) Write a program to display message on an 8-bit 7-segment LED display that is interfaced thrugh Port-1 and Port-3 of 8051

10 M

7 (b) Draw and explain interrupt structure of 8085

10 M

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