Assignment
Microprocessor and Micro controller
BATCH- MAE-456, MAE-789
SUBMISSION DATE - 18 May 2022
1. Design a microprocessor 8086 system having two 4K X 8 EPROM and four 8K X 8 RAM. Avoid any foldback addresses.
2. What do you mean by segment over ride prefix? Write the instruction format for
MOV DS: 2345 [BP], DX.
3. Differentiate memory mapped I/O and I/O mapped I/O?
4. What are the Logical and Physical addresses? How the physical addresses are generated ?
5. Interface Stepper Motor to 8086 using 8255 and write Assembly Language Program
to rotate Stepper Motor in Clockwise direction and in full stepping. Assume that
8255 is interfaced with 8086 in memory mapped IO.
6. Write an ALP to produce a delay of 1 second. Consider the 8085 clocked at 5 Mhz.
7. Explain the following instructions (8086):-
(a) SCASB (b) XLAT (c) DAA (d) CWD (e) CLD (f) LOCK
8. Explain input and output modes of operation of 8279 in detail.
9. Explain TMOD and TCON registers of 8051 in detail.
10. What do these instructions do in 8051 microcontroller?
(a) SETB 86H (b) CLR 87H (c) INC @Rp (d) SWAP A
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