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This book discusses control units represented by the model of a finite state machine (FSM). It contains various original methods and takes into account the peculiarities of field-programmable gate arrays (FPGA) chips and a FSM model. It shows that one of the peculiarities of FPGA chips is the existence of embedded memory blocks (EMB). The book is devoted to the solution of problems of logic synthesis and reduction of hardware amount in control units. The book will be interesting and useful for researchers and PhD students in the area of Electrical Engineering and Computer Science, as well as for designers of modern digital systems.

Mechanical Engineering - General --- Mechanical Engineering --- Engineering & Applied Sciences --- Logic design. --- Field programmable gate arrays. --- Field programmable logic arrays --- FPGAs --- Design, Logic --- Design of logic systems --- Gate array circuits --- Programmable logic devices --- Digital electronics --- Electronic circuit design --- Logic circuits --- Machine theory --- Switching theory --- Systems engineering. --- Control and Systems Theory. --- Circuits and Systems. --- Mathematical Modeling and Industrial Mathematics. --- Engineering systems --- System engineering --- Engineering --- Industrial engineering --- System analysis --- Design and construction --- Control engineering. --- Electronic circuits. --- Mathematical models. --- Models, Mathematical --- Simulation methods --- Electron-tube circuits --- Electric circuits --- Electron tubes --- Electronics --- Control engineering --- Control equipment --- Control theory --- Engineering instruments --- Automation --- Programmable controllers

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The book is devoted to design and optimization of control units represented by combined finite state machines (CFSMs). The CFSMs combine features of both Mealy and Moore FSMs. Having states of Moore FSM, they produce output signals of both Mealy and Moore types. To optimize the circuits of CFSMs, we propose to use optimization methods targeting both Mealy and Moore FSMs. The book contains some original synthesis and optimization methods targeting hardware reduction in VLSI-based CFSM circuits. These methods take into account the peculiarities of both a CFSM model and a VLSI chip in use. The optimization is achieved due to combining classical optimization methods with new methods proposed in this book. These new methods are a mixed encoding of collections of microoperations and a twofold state assignment in CFSMs. All proposed methods target reducing the numbers of arguments in systems of Boolean functions representing CFSM circuits. Also, we propose to use classes of pseudoequivalent states of Moore FSMs to reduce the number of product terms in these systems.The book includes a lot of examples which contributes to a better understanding of the features of the synthesis methods under consideration. This is the first book entirely devoted to the problems associated with synthesis and optimization of VLSI-based CFSMs. We hope that the book will be interesting and useful for students and PhD students in the area of Computer Science, as well as for designers of various digital systems. We think that proposed CFSM models enlarge the class of models applied for implementation of control units with modern VLSI chips. .

Electrical engineering --- automatisering --- elektrische circuits --- automatische regeltechniek --- Integrated circuits --- Automatic control. --- Sequential machine theory. --- Models matemàtics. --- Control automàtic --- Circuits integrats a molt gran escala --- Very large scale integration.