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Cellular phone data communication system wherein a parallel interfaced baseband module and a serial interfaced multimedia module are coupled to one another using a parallel/serial conversion module

  • US 7,643,849 B2
  • Filed: 05/30/2006
  • Issued: 01/05/2010
  • Est. Priority Date: 05/30/2006
  • Status: Active Grant
First Claim
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1. A data communication system in a cellular phone device, comprising:

  • a baseband module with a parallel interface;

    a multimedia module with a serial interface;

    a parallel/serial conversion module coupled to said baseband module and said multimedia module, wherein the parallel/serial conversion module comprises a parallel interface unit with a parallel bus;

    a first-in-first-out unit coupled to said parallel interface unit;

    a serial interface unit with a serial bus coupled to said first-in-first-out unit; and

    a phase locked loop unit that tunes a clock for said parallel interface unit, said first-in-first-out unit, and said serial interface unit;

    a display module coupled to said multimedia module;

    a first serial bus connecting said parallel/serial module and said multimedia module;

    a second serial bus connecting said multimedia module and said display module; and

    a bypass signal to enable data to bypass said multimedia module directly from said first serial bus to said second serial bus.

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