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Expandable local inter-system bus architecture in a multiplexed environment

  • US 5,771,232 A
  • Filed: 08/23/1995
  • Issued: 06/23/1998
  • Est. Priority Date: 08/23/1995
  • Status: Expired due to Fees
First Claim
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1. In an information processing (IP) system comprising a digital signal processing resource for performing a set of tasks and having a first input/output (I/O) port for providing and receiving multiplexed signals in accordance with a first inter-system communication protocol, a communication subsystem, for coupling to the IP system, said subsystem comprising:

  • digital signal processor means, having a second I/O port, for enhancing processing capability of the digital signal processing resource;

    said second I/O port for coupling to the first I/O port, and for providing and receiving TDM signals in accordance with the first inter-system communication protocol; and

    a third I/O port, coupled to the digital signal processor means, for providing and receiving signals in accordance with the first or a second inter-system communication protocol.

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