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Serially connectable sequence bus device and management method and serial connection method thereof

A technology of a bus device and a management method, applied in the direction of electrical digital data processing, instruments, etc., can solve problems such as increased hardware costs

Active Publication Date: 2011-06-29
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, multiple slots are required to support multiple removable electronic devices at the same time, resulting in increased hardware costs
Furthermore, in existing electronic portable devices, since all space can only place one slot, it is also impossible to add multiple slots.

Method used

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  • Serially connectable sequence bus device and management method and serial connection method thereof
  • Serially connectable sequence bus device and management method and serial connection method thereof
  • Serially connectable sequence bus device and management method and serial connection method thereof

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Embodiment Construction

[0049] figure 1 A cascadable serial bus device 100 according to an embodiment of the present invention is shown. Such as figure 1As shown, the serial bus device 100 (the first serial bus device) is coupled between the host device 10 and another serial bus device 200 (the second serial bus device), wherein the structure of the serial bus device 200 and the serial bus device 100 resemblance. For example, the host device 10 can be any electronic device with a clocked serial bus interface, such as a portable electronic device (such as a personal digital assistant (PDA), NetBook, MID). The serial bus device 100 at least includes a first connection interface 110 , an interface control unit 120 , a bypass module 130 , a function module 140 and a second connection interface 150 . The first connection interface is a male connector (male connector / Plug A for SD / MMC a series of interface, for example likeSD / MMC; mini SD / mini MMC; micro SD / micro MMC), and the second connection interfac...

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Abstract

The invention provides a serially connectable serial bus device. The device is suitable to be coupled between a host device and another serial bus device and comprises a first connecting interface, a second connecting interface and a by-pass module, wherein the host device is provided with a serial bus interface; the first connecting interface is used to be coupled with the serial bus interface of the host device; the second connecting interface is used to be coupled with another serial bus device; and the by-pass module is coupled to a chip selection signal wire of the serial bus interface and the second connecting interface and is used for selectively bypassing or non-bypassing a chip selection signal to another serial bus device on the basis of a command from the host device.

Description

technical field [0001] The present invention relates to a serial connection device of a serial bus device with a clock and a management method for the serial connection device, in particular to a serial connection device capable of serially connecting and managing multiple serial bus devices with a clock systems and methods. Background technique [0002] With the advancement of technology, removable electronic devices or serial bus devices such as data storage devices or input and output devices are widely used in host devices such as embedded systems or electronic devices, such as handheld or portable electronic devices including MID, NetBook, personal digital assistant (PDA), tablet computer, UMPC, personal computer (PC) or notebook computer, etc., are used to expand the functions of the host device. For example, a removable device with a global positioning system (GPS) module with positioning function can be inserted into the host, so that the host can have the positioni...

Claims

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Application Information

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IPC IPC(8): G06F13/40
Inventor 孙元亨萧宇宏
Owner IND TECH RES INST