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IEEE Micro

Issue 5 • Date Oct. 1995

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Displaying Results 1 - 7 of 7
  • A multilevel systolic approach for fuzzy inference hardware

    Publication Year: 1995, Page(s):61 - 71
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (846 KB)

    Our digital fuzzy processor's main features are high throughput, performance independent of fuzzy-model size, high design parameter flexibility, Max-Min inference, and ability to handle a large number of complex rules without loss of efficiency. We carried out circuit development using a VHDL simulator, with European Silicon Structures' 1-μm standard cells. We have achieved performance res... View full abstract»

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  • A performance analysis of Pentium processor systems

    Publication Year: 1995, Page(s):72 - 83
    Cited by:  Papers (6)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (984 KB)

    Using a CPI metric, we analyze the performance of Pentium-based systems and examine their use of the processor's architectural features under different software environments. We break down the CPI into its basic constituents and examine the effects of various operating systems and applications on the CPI. This analysis indicates where the application spends its time during execution, giving design... View full abstract»

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  • Systematically testing a real-time operating system

    Publication Year: 1995, Page(s):50 - 60
    Cited by:  Papers (7)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (792 KB)

    Testing large and complex software is an inherently difficult process that must be as systematic as possible to provide adequate reliability and quality assurance. This is particularly true for a complex real-time operating system in which an ad hoc testing approach would certainly fail to affirm the quality and correctness of the requirements specification, design, and implementation. We discuss ... View full abstract»

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  • EOS: a real-time operating system adapts to application architectures

    Publication Year: 1995, Page(s):41 - 49
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (716 KB)

    Rather than dictating the architecture of application software and hardware, a real-time operating system should be flexible enough to adapt to the application's needs. The EOS real-time operating system provides a modular, scalable software platform users can tailor to specific custom hardware architectures. Developers can use minimum configurations of EOS for simple systems or enhance it with th... View full abstract»

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  • A cost-effective RISC/DSP microprocessor for embedded systems

    Publication Year: 1995, Page(s):32 - 40
    Cited by:  Papers (12)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (616 KB)

    Applications in telecommunications or multimedia require a new generation of fast and flexible microprocessors. We present a 32-bit RISC microprocessor with extended functionality for digital signal processing that reduces overall system cost. Due to its optimized design with just 210,000 transistors, this low-cost, medium- to high-performance microprocessor is well suited for a wide range of embe... View full abstract»

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  • Virtual prototyping of embedded microcontroller-based DSP systems

    Publication Year: 1995, Page(s):9 - 21
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (944 KB)

    We propose a hardware-software codesign process based on a design methodology called virtual prototyping. With this process, we integrate VHDL models of hardware components with application, control and diagnostic software to rapidly prototype complex, multiboard, embedded microcontroller-based DSP systems. In the virtual prototyping of a demonstration avionics system, in collaboration with Lockhe... View full abstract»

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  • Embedded control problems, Thumb, and the ARM7TDMI

    Publication Year: 1995, Page(s):22 - 30
    Cited by:  Papers (46)  |  Patents (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (652 KB)

    High-end embedded control applications such as cellular phones, disk drives, and modems demand more performance from their controllers yet still require low costs. By implementing a second, compressed instruction set, our architectural innovation Thumb reduces RISC code size, providing 32-bit RISC performance at 8-/16-bit system cost. We describe the problems of embedded control, discuss the Thumb... View full abstract»

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IEEE Micro addresses users and designers of microprocessors and microprocessor systems, including managers, engineers, consultants, educators, and students involved with computers and peripherals, components and subassemblies, communications, instrumentation and control equipment, and guidance systems.

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Erik R. Altman
School of Electrical and Computer Engineering
IBM T.J. Watson Research Center