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Display control device

  • US 7,250,943 B2
  • Filed: 06/14/2004
  • Issued: 07/31/2007
  • Est. Priority Date: 06/13/2003
  • Status: Expired due to Fees
First Claim
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1. A display control device, comprising:

  • a host performing an instruction to display an image on a display; and

    a display controller coupled to the host by a predetermined number of chip select signal lines and general signal lines, the display controller performing predetermined image processing based on an instruction from the host and outputting a control signal to a display driver directly controlling the display, whereinthe display controller includes;

    a halt state in which operation is halted in a predetermined case; and

    a bypass function with which the host accesses the display driver when the display controller is in the halt state; and

    the host is switchable between a normal state in which a chip select signal is outputted to the display controller and a bypass state in which the chip select signal is outputted to the display driver, the switching being accomplished by using one of the chip select signal lines and one of the general signal lines.

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