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Integrated multimedia system

  • US 7,272,670 B2
  • Filed: 02/05/2001
  • Issued: 09/18/2007
  • Est. Priority Date: 10/14/1998
  • Status: Expired due to Fees
First Claim
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1. An integrated multimedia system having a multimedia processor disposed in an integrated circuit, said system comprising:

  • a first host processor system coupled to said multimedia processor;

    a second local processor disposed within said multimedia processor for controlling the operation of said multimedia processor;

    a data transfer switch disposed within said multimedia processor and coupled to said second processor for transferring data to various modules of said multimedia processor, at least one of which is a data cache, wherein said data transfer switch is configured to transfer data in either direction between said data cache and a module within said multimedia processor as requested by said modules;

    a data streamer coupled to said data transfer switch, and configured to schedule simultaneous data transfers among the various modules disposed within said multimedia processor, in accordance with corresponding channel allocations;

    an interface unit coupled to said data streamer having a plurality of input/output (I/O) device driver units;

    a multiplexer coupled to said interface unit for providing access between a selected number of said I/O device driver units to external I/O devices via output pins, said I/O device driver units are provided to the interface unit directly connected to the multiplexer; and

    a plurality of external I/O devices coupled to said multimedia processor.

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