DIGITAL LOGIC AND EMBEDDED SYSTEMS

Instruction per Week : 4 Hrs Sessionals : 20
Duration of Examination: 3 Hrs Univ.Exam : 80

UNIT - I
Design Concepts - Digital Hardware, design process, design of digital hardware
Introduction to logic circuits - Boolean Algebra, Gates, CAD tools, VHDL
Implementation Technologies - NMOS, CMOS, PLDs. Practical aspects, transmission gates, Implementation of PLDs and FPGAs

UNIT - II
Optimized implementation of logic functions - Karnaugh map, strategy, minimization of product of sums, NAND and NOR gates, Multilevel Synthesis, Cubical representations and minimization using cubical representation, CAD tools.
Design of arithmetic circuits using CAD tools.
Combinational Building blocks - Multiplexes, decoders, encoders, code converters, VHDL for combinational circuits.
Latches - Basic, Gated SR, Gated D; Flipflops - D>T, and JK, Registers, Counters, using CAD tools.

UNIT - III
Synchronous sequential circuit - Basic design, state assignment, Melay state model, design of finite state machines using CAD tools, State minimization, counter using sequential circuit. FSM as arbiter circuit, analysis, ASM charts.
Asynchronous sequential circuits - behaviour, analysis, synthesis, state assignment, hazards.
Digital System design - Building block circuits, design examples, clock synchronization
Testing.

UNIT - IV
General-purpose processors software - Basic architecture, operation, programmers view, development environment. ASIPs.
Standard single purpose processor - Introduction, timers, UARTs, PWM, LCD controller, keypad controller, stepper motor controller, A/D converter.
Memory - Introduction, Common memory types.
Interfacing - Communication basics, I/O Addressing, Interrupts, DMA, Arbitration
Advanced communication principles, Serial protocols, Parallel protocols, Wireless protocols.

UNIT - V
State Machine and concurrent process models - Models, Languages, FSMD, using state machines, HCFSM, PSM, Concurrent Process model - processes, communication synchronization, implementation.
Control Systems - Open loop, closed loop, PID controllers, practical issues, benefits
IC Technology - VLSI, ASIC
Design Technology - Automation : Synthesis, Verification, reuse.

Suggested Reading :

1. Stephen Brown, Zvonko Vranesic - “Fundamentals of digital logic with VHDL design”, McGraw 2000.
2. Frank Vahid, Tony Givargis - “Embedded System Design - A unified Hardware/ Software introduction”, John Wiley 2002.