M.Sc Physics - Skymount Distance Education

SUBJECT CODE: 1.3SUBJECT: DIGITAL ELECTRONICS AND MICROPROCESSORSUNIT 1Logic gates - block diagram - truth table- Ex OR gate - equivalent functions -combinational logic - half adder / subtract or - full adder / subtracted - DeMorgan's laws-Boolean algebra - Karnaugh maps - max and min terms -encoders and decoders - multiplexers and demultiplexers.UNIT IISequential logic – flip – flops – sequential circuit analysis – state diagram –state equation – registers – counters – up – down counters – timiningsequenes – the memory unit – Random Access Memory (RAM) – Magneticcore memory.UNIT IIICommon microprocessor characteristic - pin diagram and functions forgeneric microprocessor - microprocessor architecture - the intel 8085microprocessor - the 8085 pin diagram and functions - 8085 architecture -different addressiag modes - 8085 instruction set - arithmetic, logical andbranch instructions - the 8085 stack, I/O and control instructions.UNIT IVProgramming the 8085 microprocessor - 8 bit addition, subtraction,multiplication and division - looping programs - sum of data - maximum,minimum values of the given array - ascending / descendmg - data transfer-16 bit addition – relay generation – multiple precision arithmetic - decimalarithmetic - subroutine programs - ASCII to decimal multiple precisionaddition subroutine.UNIT VTimining diagram - instruction cycle, machine cycle, R/W cycle - minterfacing the microprocessor - interfacing with ROM - interfacing withRAM - I/O interfacing basics.