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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In the structural domain, blocks like ALUs are in use. Ti k Z Community Weblog.

Gajski and Kuhn’s Y Chart

Creating a structural description from a behavioural one is achieved through the processes of high-level synthesis or logical synthesis. The algorithmic level is defined by the definition of concurrent algorithms signals, loops, variables, assignments. Languages Deutsch Edit links.

The outer shells are generalisations, the inner ones refinements of the same subject. Here, data structures and data flows are defined.

Example: Gajski-Kuhn Y-chart

In the geometric view, the design step of the floorplan is located. The Gajski-Kuhn Y-chart is a model which captures the considerations in designing semiconductor devices. Oder frag auf Deutsch auf TeXwelt. Daniel Gajski and Robert Kuhn developed it in The behaviour gajsii the circuit level is described by mathematics using differential equations or logical equations. The three domains of the Gajski-Kuhn Y-chart are on radial axes.


This page was last edited on 10 Octoberat This is perceived by the three domains of behaviour, structure, and the layout that goes top-down to more detailed abstraction levels. This corresponds to transistors and capacitors up to crystal lattices. The logical level is described in the behaviour perspective by boolean equations. Creating a physical description from a structural one is achieved through layout synthesis.

In the structural view, chadt is displayed with gates and flip-flops. Generally, the design process is not following a specific sequence in this diagram. Comments Adding comments is currently not enabled. Examples Resources Builds Questions.

Gajski-Kuhn chart – Wikipedia

Just ask in the LaTeX Forum. According hajski this model, the development of hardware is perceived within three domains that are depicted as three axis and produce a Y. In the geometric domain, the logical level is described by standard cells. Along these axis, the abstraction levels that describe the degree of abstraction. Retrieved from ” https: The designer can select one of the perspectives and then switch from one view to another.

InRobert Walker and Donald Thomas refined it. The register-transfer level RTL is a more detailed abstraction level on which the behaviour between communicating registers and logic units is described. The issue in hardware development is most often a top-down design problem.


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: Each of the xhart can be divided into levels of abstraction, using concentric rings. Views Read Edit View history.

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Blocks used in the structure domain are CPUsmemory chipetc. By using this site, you agree to the Terms of Use and Privacy Policy.

For the behavioural description, block diagrams are used by making abstractions of signals and their time response. On the system levelbasic properties of an electronic system are determined. Computer engineering Electronic design automation Diagrams. At the top level outer ringwe consider the architecture gjaski the chip; at the lower levels inner ringswe successively refine the design into finer detailed implementation:.

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