MICROPROCESSORS AND MICROCONTROLLERS - 2 (MPMC) DECEMBER 2013 [EXTC] ELECTRONICS AND TELECOMMUNICATION SEMESTER 6
Con. 7339-13. LJ - 11488
(3 Hours) [Total Marks : 100]
(2) Solve any four questions from remaining questions.
| 1. (a) | Design memory system for 8086 microprocessor with following specifications :- | 12 |
| (i) 8086 microprocessor working in mininimum mode at 10MHz frequency. | ||
| (ii) 32 KB EPROM using 8 KB Chips | ||
| (iii) 16 KB SRAM using 4 KB Chips. | ||
| Explain the design and show memory address map. | ||
| (b) | Draw and explain typical I/O port pin structure of PIC 18. | 4 |
| (c) | Describe Mode Set Register of DMA controller 8257. | 4 |
2. (a) | Explain control word and status word of 8087 NDP. | 10 |
| (b) | Describe addressing modes of PIC 18. | 10 |
3. (a) | Interface Seven segment dispaly with PIC 18 and explain its working. | 8 |
| (b) | Draw and explain timing diagrams for read operation in minimum and maximum | 12 |
| mode of 8086 microprocessor. | ||
4. (a) | Explain memory organisation of PIC 18. | 10 |
| (b) | With neat diagram explain interfacing of DMA controller 8257 wiith 8086 | 10 |
| microprocessor in minimum mode. | ||
5. (a) | Write an assembly language program for 8086 microprocessor to check whether. | 10 |
| a string of 10 characters represents Palindrome. | ||
| (b) | Interface 8087 NDP with 8086 microprocessor and expalin their interaction. | 10 |
6. (a) | Which are the different methods of program looping?Explain each method in short. | 10 |
| (b) | Describe how interface chip and I/O Devices are synchronised. Explain it using | 10 |
| pulse mode. | ||
7. | Write notes on (any four):- | 20 |
| (a) Status register of PIC 18 | ||
| (b) Control flags of 8086 | ||
| (c) Assembler directives | ||
| (d) Programming model of 8086 | ||
| (e) Advantages of memory segmentation. |
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