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Many of the levels are shown pictorially in the Gajski/Kuhn chart. Although VHDL does not support system description at the physical/geometry level of. Historical Perspective: Gajski and Kuhn’s Y-chart. • In Gajski and Kuhn’s Y- chart, each axis represents a view of a model: behavioral, structural, or physical view. Gajski-Kuhn chart – also known as Y-chart represents 3 views of a hardware design model. I am not sure how much this is applied practically. A good practice in.

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Creating a physical description from a structural one is achieved through layout synthesis. Daniel Gajski and Robert Kuhn developed it in The Gajski-Kuhn Y-chart is a model which captures the considerations in designing semiconductor devices. For the behavioural description, block diagrams are used by making abstractions of signals and their time response.

In gjaski structural view, this is displayed with gates and flip-flops. Examples Resources Builds Questions.

In the structural domain, blocks like ALUs are in use. At the top level outer ringwe consider the architecture of the chip; at the lower levels inner ringswe successively refine the design into finer detailed implementation:. This corresponds to transistors and capacitors up to crystal lattices.

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From Wikipedia, the free encyclopedia. Oder frag auf Deutsch auf TeXwelt. At the top level outer ringwe consider the architecture of the chip; at the lower levels inner ringswe successively refine the design into finer detailed implementation: The outer shells are generalisations, the inner ones refinements of the same subject.

This is perceived by the three domains of behaviour, structure, and the layout that goes top-down to more detailed abstraction levels.

Here, data structures and data flows are defined. Languages Deutsch Edit links. The issue in hardware development is most often a top-down design problem. According to this model, the development of hardware is perceived within three domains that are depicted as three axis and produce fhart Y.

The three domains of the Gajski-Kuhn Y-chart are on radial axes.

Gajski-Kuhn chart – Wikipedia

Computer engineering Electronic design automation Diagrams. InRobert Walker and Donald Thomas refined it. The behaviour of the circuit level is described by mathematics using differential equations or logical equations. The algorithmic level is defined by the definition of concurrent algorithms signals, loops, variables, assignments.

Gajski-Kuhn chart

Views Read Edit View history. Comments Adding comments is currently not enabled. Retrieved from ” https: Creating a structural description from a behavioural one is achieved through the processes of high-level synthesis or logical synthesis.

In the geometric domain, the logical level is described by standard cells.

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Gajski and Kuhn’s Y Chart

In the geometric view, the design step of the floorplan is located. This page was gauski edited on 10 Octoberat Each of the domains can be divided into levels of abstraction, using concentric rings. Generally, the design process is not following a specific sequence in this diagram.

On the system levelbasic properties of an electronic system are determined. Features Coordinate systems 8 Tags Charts 23 Scientific and technical areas Computer science 42 Electrical engineering Ti k Z Community Weblog.

Blocks used in the structure domain are CPUsmemory chipetc. The designer can select one of the perspectives and then switch from one view to another. By using this site, you agree to the Terms of Use and Privacy Policy. Along these axis, the abstraction levels that describe chqrt degree of abstraction.

The logical level is described in the behaviour perspective by boolean equations. The register-transfer level RTL is a more detailed abstraction level on which the behaviour between communicating registers and logic units is described.

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