STUPIDSID
1 (a)
Design a 8086 based system with following specifications:-
- CPU at 10 MHz in minimum mode operation.
- 32 KB SRAM using 8 KB devices.
- 64 KB EPROM using 16 KB devices.
Design system with exhaustive decoding. Clearly show memory map. with address ranges and draw a neat schematic for chip selection logic.
- CPU at 10 MHz in minimum mode operation.
- 32 KB SRAM using 8 KB devices.
- 64 KB EPROM using 16 KB devices.
Design system with exhaustive decoding. Clearly show memory map. with address ranges and draw a neat schematic for chip selection logic.
12 M
1 (b)
What is pipelining? For PIC 18F explain the concept of pipelining instruction, advantages and disadvantages.
8 M
2 (a)
Write a program for performing a 64 bit/16 bit division using 8086 instruction set. The operand and the result is to be stored in the memory.
10 M
2 (b)
Write all addressing modes of 8086 with one example each and also state type or instructions.
10 M
3 (a)
Explain different modes of operations of 8237 DMA controller.
10 M
3 (b)
Explain different functional blocks of programmable Interrupt Controller 8259.
10 M
4 (a)
Explain modes of operations of 8255 in PPI in detail.
10 M
4 (b)
Explain in brief functional block diagram of DMA 8257.
10 M
5 (a)
Explain block diagram of PIC 18F architecture in brief with a neat diagram.
10 M
5 (b)
Explain PIC 18F programming model. What is difference between W register and data registers? Specify the size of program counter and its function.
10 M
6 (a)
Write a program to divide the unsigned 16 bit number 0F0F stored in data register REG1 and REG2 (MSB in REG2) by 8 using PIC 18F.
10 M
6 (b)
Write note on PIC18F reset.
10 M
7 (a)
Explain working and interface of numeric data coprocessor 8087 and 8086.
10 M
7 (b)
What are exceptions, hardware interrupts and software interrupts of 8086. Explain their priority structure and interrupt vector table.
10 M
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