MICROPROCESSORS AND MICROCONTROLLERS - 2 (MPMC) MAY 2014 [EXTC] ELECTRONICS AND TELECOMMUNICATION SEMESTER 6
QP Code : MV-18092
(3 Hours) [Total Marks : 100]
Q1. is compulsory
Solve any four out of remaining
| 1. (a) | Draw and explain read write bus cycle of 8086 in maximum mode. | 5 |
| (b) | What are advantages of memory segmentation in 8086? | 5 |
| (c) | Write features of PIC-18. | 5 |
| (d) | Explain PIC 18 data memory organization. | 5 |
2. (a) | Draw and interface diagram of 8086 microprocessor and 8087 NDP, also explain | 10 |
| various interface signals and co-processor working with host processor. | ||
| (b) | Design a system using 8086 in minimum mode with following specifications | 10 |
| 1. 8086 operating on MHz | ||
| 2. 16 KB RAM using 8 KB device with starting address of 10000. | ||
| 3. 16 KB EPROM using 8 KB device. | ||
3. (a) | What is string adressing mode of 8086. Explain string instructions of 8086. | 10 |
| (b) | Draw and explain interfacing of 8086(maximum mode) and 8259 In single mode. | 10 |
4. (a) | Write assembly language programme for 8086 to exchange a 1 KB block of data | 10 |
| from memory location 40000 to 50000. | ||
| (b) | Explain following Instructions of PIC18 | 10 |
| 1. ANDLW k 2. BTFSC f,b 3. SUBLW k 4. DECFSZ f,d 5. RRF f,d | ||
5. (a) | Connect four 7-segment displays to PIC18 and write assembly language | 10 |
| programme to display '5' on LSB of display. | ||
| (b) | Write Instruction format of PIC 18 instructions. | 10 |
6. (a) | Draw and explain interfacing 0f 8086 and 8257 DMA controller. | 10 |
| (b) | Explain I/O synchronization methods of PIC18. | 10 |
7. (a) | Explain interrupt structure of 8086. | 10 |
| (b) | Explain assembler directives of 8086. | 10 |
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