High Level Synthesis of Digital Systems: For Data Path and Control dominated systems - Softcover

Baranov, Samary

9781775091714: High Level Synthesis of Digital Systems: For Data Path and Control dominated systems

Softcover

ISBN 10: 1775091716 ISBN 13: 9781775091714

Publisher: ISBN Canada, 2018

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The tremendous achievements in chip technology allow to produce chips with hundreds of millions of gates. At the same time, the design technology of such circuits has only slightly improved in the last ten years, especially at the highest system level. The traditional digital system design flow contains the manual creation of system description at the Register Transfer Level (hereafter RTL) with Verilog or VHDL code. The only possibility to reduce the gap between future technological capability and the lagging designer productivity is to raise the design from the current RTL to the algorithmic or behavior level, i.e. to High Level Synthesis (HLS). For that it is necessary to solve several problems: 1. Develop models for describing systems at a high level; 2. Develop tools based on these models; 3. Develop a design methodology based on these models and tools. This book is about HLS. However, the models and methods presented in this book are fundamentally different from those used in the known industrial and academic instruments. In this book Algorithmic State Machines (hereafter ASMs) are used at all stages of high level and RTL designs. You will be very surprised, when you understand that it is possible to design very complex digital systems, beginning from ASMs. Most ideas from this book were realized in HLS tool 'Synthagate' – the product of Synthezza Inc. It is used to construct all the examples in this book. Synthagate is a tool for the design of Control and Data Path Intensive Systems with very complex Control Units containing numerous inputs and outputs. Synthagate performs full automatic synthesis of digital systems from behavior specification to description in HDL at RTL, and allows the user to quickly implement, check and estimate multiple design versions, to find an optimized solution for the design problems, to produce automatically the design documentation and to simplify the digital system verification problems. The main steps of HLS and RTL design: Functional Specifications – To design the behavior description of a digital system the designer doesn't have to define each port or signal. Synthagate automatically creates the functional specification. Behavior description of the design system – With Functional ASM and functional specification as an input, Synthagate automatically constructs the behavior (High Level) description of the whole design system in VHDL or in System C. Data path design – In Data path design Synthagate uses external specifications in XML that is constructed automatically. Automatic generation of components – Synthagate automatically generates VHDL codes for components of Data Path. If a designer would like to use predesigned IP cores, he must put their RTL codes in the special folder before the design at High level. Generation VHDL code for Data Path – At the last step of Data Path design Synthagate automatically instantiates components in the Data Path. Control Unit design – Synthagate automatically creates the RTL code of Control unit. Top design – At the last stage, Synthagate automatically creates the code for the top level by instantiating Control Unit and Data Path into the top of the project. This book can be useful for hardware designers and hardware engineers, undergraduate and graduate students of Computer engineering and Electrical engineering departments and their teachers. There are many examples in the main and Case study sections. Whole designs of these examples and many others can be found at Synthezza.com from the links of this book. You can look at this book as the second part of my previous book "Finite State Machines and Algorithmic State Machines", which is now available in paperback and ebook.

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