Unit-I
Boolean Simplification & Logic Family
Review of Number Systems and Codes -Boolean Functions: Boolean Laws- Simplification using the Laws- Minterms- Maxterms- Sum of Product and Product of Sum forms – Simplification of Boolean expressions using Karnaugh Map – Quine McClusky Method -NAND, NOR Implementation.
Digital Logic families: RTL- DTL – ECL – TTL – CMOS Logic Families- Characteristics -Comparison of IC Families.
Unit-II
Combinational & Sequential Circuits
Adders and Subtractors, Multiplexers and Demultiplexers, Encoders and Decoders, Code converters, Magnitude Comparators
Flip flops: RS, D, JK and T, Characteristics equation and excitation table-Master Slave Flip flops-Realization of one flip flop using other flip flops.
Shift registers, Counters, finite state machines, Memories: Memory basics – Types of Memories: RAM, ROM, PROM and Flash Memory – Memory expansion.
Unit-III
Microprocessors and Controllers
Intel 8086 architecture – Registers – Memory segmentation – Pin description – Minimum and maximum mode – Read and write bus cycles – Interrupt processing.
Machine language Vs Assembly language – Assembler – Cross assembler – Assembler directives. Peripheral ICs: 8255 PPI – 8253 PIT – 8259 PIC – 8251 USART.
Introduction to Microcontroller – Comparison of Microcontrollers and Microprocessor – AVR CPU Core – AVR ATmega8 Memories – System Clock and Clock Options –System Control and Reset – Interrupts –A/D Converter
IC Fabrication Technology: CMOS Processing Technology – Fundamentals of Fabrication – Basic CMOS technology – P-well, N-well, Twin-tub and SOI – Gallium Arsenide technology.