Card in-place detection device

A detection device, card insertion technology, applied in the computer field, can solve the problem of multiple interface resources of the control module

Pending Publication Date: 2019-07-05
XIAN YIPU COMM TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present invention provides a card in-position detection device to solve the curr

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Embodiment Construction

[0053] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0054]The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects and not necessarily Describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or ...

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Abstract

The embodiment of the invention provides a card in-place detection device. The device comprises a conversion module and a control module, wherein the conversion module is provided with a plurality ofinput ends, and the plurality of input ends of the conversion module are connected with a plurality of in-place signal ends of a card in a one-to-one correspondence manner when the card is inserted; the output end of the conversion module is connected with the in-place detection end of the control module; and the conversion module is used for outputting an in-place indication signal to an in-placedetection end of the control module when at least one specified level signal exists in the signals of the in-place signal ends. According to the embodiment of the invention, the conversion module canoutput one in-place indication signal to the control module when at least one specified level signal exists in the input signals of the plurality of in-place signal ends, so that the control module can realize the card in-place detection only by occupying one in-place detection end of the control module, and the interface resources of the control module can be saved.

Description

technical field [0001] The embodiment of the present invention relates to the field of computer technology, in particular to a card presence detection device. Background technique [0002] In order to expand the functions of devices such as mobile terminals or servers, it is often necessary to connect various cards, such as identification cards, memory cards, sound cards, graphics cards, etc., to the main board of the device. [0003] The motherboard needs to detect whether the card is inserted into the card position. And some cards have multiple in-position signals, such as cards conforming to the OCP3. Multiple in-position signals of the card can determine whether the card is inserted. [0004] In the current card presence detection method, the number of pins used by the control chip for detection is equal to the number of card presence signals, which will occupy more pin resources of the control chip. Contents of the invention [0005] An embodiment of the present in...

Claims

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Application Information

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IPC IPC(8): G06F11/22G06F11/32
CPCG06F11/2205G06F11/2284G06F11/325
Inventor 张盼盼李健健
Owner XIAN YIPU COMM TECH
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