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DR. BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSITY,
LONERE – RAIGAD -402 103
Semester Examination – May - 2019
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Branch: Electronics & Telecommunication
Sem.:- IV
Subject with Subject Code:- Microprocessor BTEXC403
Date:- 20-05-2019
Marks: 60
Time:- 3 Hr.
Instructions to the Students
1
2
3
4
. Each question carries 12 marks.
. Attempt any five questions of the following.
. Illustrate your answers with neat sketches, diagram etc., wherever necessary.
. If some part or parameter is noticed to be missing, you may appropriately
assume it and should mention it clearly
Q.1.
A
B
Explain internal architecture of 8085 with neat diagram.
What is addressing mode ? Explain addressing modes of 8085 with example.
(8)
(4)
Q.2.
A
B
Explain different types of instructions depending upon working in 8085 with examples?
Explain memory read cycle for 8085 with suitable waveform.
(6)
(6)
Q.3.
A
B
Explain types of interrupts.
How multiple interrupts are handled in microprocessor with Programmable Interrupt
Controller (PIC) 8259? Explain with suitable interfacing diagram.
(6)
(6)
Q.4.
A
B
Explain pin function of ALE and READY pin in detail.
Write a program to find 1’s and 2’s complement of 8-bit number where starting address
is 2000 and the number is stored at 3000 memory address and store result into 3001 and
(6)
(6)
3
002 memory address.
Q.5.
A
What is memory interfacing? Explain Interfacing 64Kb EPROM with 8085.(EPROM
pins OE’,CS’,Address inpiut,8 bit data out)
What is stack memory? Explain PUSH and POP operation using suitable diagram.
(6)
(6)
B
Q.6.
A
B
Explain detailed Architecture of 8086.
What are Assembler directive? Explain with example.
(8)
(4)
*
**************************All The Best****************************
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