Read e-book online Behavioral Synthesis and Component Reuse with VHDL PDF

By Ahmed Amine Jerraya, Hong Ding, Polen Kission, Maher Rahmouni

ISBN-10: 1461378990

ISBN-13: 9781461378990

ISBN-10: 1461563151

ISBN-13: 9781461563150

Improvement within the caliber of built-in circuit designs and a designer's productiveness may be accomplished via a mixture of 2 elements:

  • Using extra dependent layout methodologies for huge reuse of present parts and subsystems. apparently 70% of latest designs correspond to present elements that can't be reused as a result of a scarcity of methodologies and instruments.
  • Providing larger point layout instruments permitting to begin from the next point of abstraction. After the luck and the frequent popularity of good judgment and RTL synthesis, the next move is behavioral synthesis, generally referred to as architectural or high-level synthesis.

Behavioral Synthesis and part Reuse with VHDL presents tools and methods for VHDL established behavioral synthesis and part reuse. The aim is to improve VHDL modeling concepts for rising behavioral synthesis instruments. particular awareness is given to dependent and modular layout tools permitting hierarchical behavioral specification and layout reuse. The target of this publication isn't really to debate behavioral synthesis as a rule or to debate a selected software yet to explain the explicit concerns relating to behavioral synthesis of VHDL description.
This e-book ambitions designers who've to take advantage of behavioral synthesis instruments or who desire to observe the genuine probabilities of this rising expertise. The booklet can also be of curiosity to lecturers and scholars to profit or to coach VHDL dependent behavioral synthesis.

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Building new designs with reusable components. g. a functional module used in two different designs. A component may also be reused for the design of the same system: • several instances of a given subsystem. • during architecture design and system planning, a component may be reused in several alternative solutions. g. using the same testbench for the simulation of the design at several abstraction levels (RTL and gate-level or RTL and behavioral level). 18 CHAPTER 1 Reuse can also be extended to the reuse of the process deployed to produce a design.

Each operator corresponds to a unit that may perform one or several functions. Since the global description is given at the clock cycle level (the basic time unit), the execution timing delay of each of these operations cannot exceed a clock cycle. At the behavioral level we may have operations that require several clock cycles for execution and others may invoke handshaking for parameter passing. Then, the interface of functional units will be a set of protocols allowing to communicate with the behavioral description.

We assume that this description corresponds to a circuit running indefinitely, that is the reason en is inserted. 3 (Graph node) Nodes are of two classes: • operation nodes such as assignments, logic, arithmetic operations and procedure calls, represented by the subset of V, Vo. 2, Vo= {Vl,V2,VS,V6,V7}. • branch nodes modeling conditional statements such as If, Case and Conditional loops, represented by Vb. 2, Vb = {V3' V4}. = Thus V VoU Vb The operations nodes have only one successor, while branch nodes may have more than one successor.

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Behavioral Synthesis and Component Reuse with VHDL by Ahmed Amine Jerraya, Hong Ding, Polen Kission, Maher Rahmouni

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