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Information processing apparatus and method of controlling the same

A technology of information processing equipment and equipment, applied in the direction of electrical digital data processing, digital transmission systems, instruments, etc., can solve the problem of not being able to easily detect packet output

Inactive Publication Date: 2007-01-10
KK TOSHIBA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the above technique, since the packets output from the host and the memory card at the same timing are transmitted in the push-pull output method as described above, it cannot be easily detected that the packets are output at the same timing

Method used

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  • Information processing apparatus and method of controlling the same
  • Information processing apparatus and method of controlling the same
  • Information processing apparatus and method of controlling the same

Examples

Experimental program
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no. 1 example

[0020] figure 1 is a view showing a system configuration of an information processing device based on the first embodiment of the present invention. Assume that the information processing device is a notebook computer (which is hereinafter referred to as a host device) 10 that can be driven by a battery.

[0021] Such as figure 1 As shown, the host device 10 includes a computer body and a display unit 20 . The display unit 20 incorporates a display device including a liquid crystal display (LCD). The display screen 21 of the LCD is located substantially at the center of the display unit 20 .

[0022] The display unit 20 is attached to the host device 10 and is rotatable between its open and closed positions. The main body of the host device 10 has a thin box-shaped casing. On the upper surface of the casing, a power button 22, a keyboard 23, a touch panel 24, left and right buttons 24a and 24b, a built-in DVD-ROM drive 25, a card reader 26, and the like are arranged. A t...

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PUM

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Abstract

The present invention discloses an information processing apparatus and method of controlling the same. An information processing apparatus (10) including a memory device (11) which sets, in a case where the information processing apparatus (10) transmits the packet to the slave device (12), and receive the packet output from the slave device, a start timing of an open drain output period in which communication is carried out in an open drain mode, and stores data indicating the start timing of the open drain output period, the open drain mode output period being set as an output mode in which each of the packets is output to the bus (104), and a switching device (11) which switches the output mode to the open drain mode, at the start timing of the open drain output period, and receive the packet output from the slave device (12).

Description

technical field [0001] The present invention relates to an information processing device such as a computer, and a method of controlling the operation of the information processing device. Background technique [0002] In a recent multimedia card system used in an information processing device such as a computer, the relationship between a command and a response is defined by a protocol so that the command and the response are not output at the same timing. In such a system, in the case where the memory card connected to the computer serving as the host is formed also to have a function of outputting a packet corresponding to the reply packet, regardless of the output of the command packet from the host, there is an output of the command from the host at the same timing. Possibility of grouping and outputting acknowledgment packets from the memory card. In this system, a command packet and a response packet output at the same timing are transmitted in a push-pull output met...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06G06F13/42
CPCG06F13/4072G06F13/18G06F13/30
Inventor 木下忠明
Owner KK TOSHIBA