Modular microcontroller design

Date

1999-05

Authors

Abraham, Bobby K.

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Publisher

Texas Tech University

Abstract

Integrated Circuits (IC) have developed from its earliest forms of MSI, LSI level circuits to VLSI (Very Large- Scale Integration) and ULSI (Ultra Large- Scale Integration) circuits. Along with the rapid advancement in processing technology which made this possible, the complexity in design and design concerns increased. More time is consumed in designing a IC than producing it. As a result, the cost of design is a major concern. To minimize the effects of cost and time in producing an IC, the industry started adopting a "Design Reuse" concept. This is facilitated by modular design approach where the same design is reused for a new product.

The whole digital system is realized in form of modules. Individual modules can also be expanded to higher bit configurations by cascading it with other modules of the same kind. IC industries use in-house designed modules for its products. These modules are not available due to proprietary and commercial reasons. This thesis presents a comprehensive insight into modular design approach and applies this approach towards implementing a microcontroller. A fully functional microprogrammable control unit is designed and simulated which could be later used as building block (module) for further designs.

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