Syllabus : DIGITAL ELECTRONICS AND MICROPROCESSOR 8085 - VI SEMESTER - COURSE CODE : 23BPH6E1

DIGITAL ELECTRONICS AND MICROPROCESSOR 8085 - 23BPH6E1

UNIT - I

Decimal, binary, octal, hexadecimal numbers systems and their conversions – codes: BCD, gray and excess-3 codes – code conversions – complements (1’s, 2’s, 9’s and 10’s) – binary addition, binary subtraction using 1’s and 2’s complement methods – Boolean laws – De-Morgan’s theorem –basic logic gates - universal logic gates (NAND and NOR) – standard representation of logic functions (SOP and POS) – minimization techniques (Karnaughmap: 2, 3, 4 variables)

UNIT - II

Adders, half and full adder – subtractors, half and full subtractor – parallel binary adder – magnitude comparator – multiplexers (4:1) and demultiplexers (1:4), encoder (8-line-to-3- line) and decoder (3-line-to- 8-line), BCD to seven segment decoder.

UNIT - III

Flip-flops: S-R Flip-flop , J-K Flip-flop, T and D type flip-flops, master-slave flip-flop, truth tables, registers:- serial in serial out and parallel in and parallel out – counters asynchronous:-mod-8, mod-10, synchronous - 4-bit and ring counter – general memory operations, ROM, RAM (static and dynamic), PROM, EPROM, EEPROM, EAROM. IC – logic families: RTL, DTL, TTL logic, CMOS NAND and NOR Gates, CMOS Inverter, Programmable Logic Devices – Programmable Logic Array (PLA), Programmable Array Logic (PAL).

UNIT - IV

8085 Microprocessor: Introduction to microprocessor – INTEL 8085 architecture – register organization –pin configuration of 8085, interrupts and its priority – Program Status Word (PSW) –instruction set of 8085 –addressing modes of 8085 –assembly language programming using 8085 –programmes for addition (8-Bit and 16-Bit), subtraction (8-Bit and 16-Bit), multiplication (8- Bit), division (8- Bit) – largest and smallest number in an array – BCD to ASCII and ASCII to BCD.

UNIT - V

I/O Interfaces: Serial communication interface (8251-USART) – programmable peripheral interface (8255-PPI) –programmable interval timers (8253) – keyboard and display (8279), DMA controller (8237).

UNIT - VI PROFESSIONAL COMPONENTS

Expert Lectures - Seminars - Webinars - Industry Inputs - Social Accountability - Patriotism

TEXT AND REFERENCE BOOKS

Text Books
1. M.Morris Mano, “Digital Design “3rd Edition, PHI, NewDelhi.
2. Ronald J. Tocci. “Digital Systems-Principles and Applications” 6/e. PHI. New Delhi. 1999.(UNITS I to IV )
3. S.Salivahanaand S. Arivazhagan-Digital circuits and design
4. Microprocessor Architecture, Programming and Applications with the 8085 – Penram International Publishing, Mumbai.- Ramesh S.Gaonakar
5. Microcomputer Systems the 8086/8088 family – YU-Cheng Liu and GlenSA
Reference Books
1. Herbert Taub and Donald Schilling. “Digital Integrated Electronics” . McGraw Hill. 1985.
2. S.K. Bose. “Digital Systems”. 2/e. New Age International.1992.
3. D.K. Anvekar and B.S. Sonade. “Electronic Data Converters: Fundamentals andApplications”. TMH.1994.
4. Malvino and Leach. “Digital Principles and Applications”. TMG HillEdition
5. Microprocessors and Interfacing – Douglas V.Hall.
6. Microprocessor and Digital Systems – Douglas V.Hall

WEB RESOURCES

1. Introduction to Registers
2. 3 Bit Asynchronous Up Counter