Universal serial bus implementation in an integrated access chip for ISDN systems

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Universal serial bus implementation in an integrated access chip for ISDN systems

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The universal serial bus technology comes as a response to the increasing demands for unified interfaces and the need for flexible easy-to-use products for personal computers. Integrating this technology into PBXs and ISDN ICs can play an important role in the integration of telecommunications and computer technologies. The paper reports the findings of a research project called COPARIS for ISDN chip design with the additional USB interface. It also presents the software and hardware design approaches for implementing USB functions in the COPARIS chip. The research indicates that a balanced approach is the best, where the computationally intensive functions should be implemented in hardware and the rest in software.

Inspec keywords: ISDN; system buses; integrated circuit design; digital signal processing chips; software engineering; research initiatives

Other keywords: hardware design; ISDN IC; PBX; software design; ISDN chip design; personal computers; universal serial bus implementation; CRC-5; COPARIS; integrated access chip; USB interface; DSP; research project; ISDN systems; COPARIS chip; CRC-16; telecommunications/computer technologies integration; unified interfaces

Subjects: Semiconductor integrated circuit design, layout, modelling and testing; Semiconductor integrated circuits; Computer communications; Digital signal processing chips; Software engineering techniques; System buses; Microprocessors and microcomputers; Research and development; Digital signal processing; ISDN

References

    1. 1)
      • COPARIS web page: http://www.ee.surrey.ac.uk/CCSR/Esprit/Coparis/.
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      • J. Rinde . Telephony in the year 2005. Comput. Netw. , 3 , 157 - 168
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      • USB specification 1.1, September 1998: http://www.usb.org/.
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      • H. D'Hooge . The communicating PC. IEEE Commun. Mag.
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      • Doumenis, G., Kaloudis, V., Karmazin, P.: `Next generation telecommunication processors for ISDN/LAN applications', Presented at the EMMSEC'98 conference, September 1998, France, p. .
    6. 6)
      • Jaff, K.A.: 'Universal serial bus and the multimedia PC'.1996,http://developer.intel.com/design/USB/papers/.
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      • USB Implementers Forum: http://usb.org/.
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      • D. Anderson . (1997) Universal serial bus system architecture.
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      • S. Chou , Y. Lin . Computer telephony integration and its applications. IEEE Commun. Surveys Tutorials , 1
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