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Data transmitting system and data transmitting method

By using different transmission interfaces and signal transmission lines in the computer device, the power-saving mode switching of the processor is realized, which solves the problem in the prior art that the processor cannot enter the power-saving mode, reduces power consumption, and avoids an increase in hardware costs.

Active Publication Date: 2012-05-09
REALTEK SEMICON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the cost of hardware is increased

Method used

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Embodiment Construction

[0019] Certain terms are used in the specification and subsequent claims to refer to particular components. It should be understood by those skilled in the art that hardware manufacturers may refer to the same component by different terms. This specification and subsequent patent applications do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. [Includes] mentioned in the entire specification and subsequent claims is an open term, so it should be interpreted as [includes but not limited to]. In addition, the word [coupling] here includes any direct and indirect means of electrical connection. Therefore, if it is described that a first device is coupled to a second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means.

[0020] figu...

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Abstract

The invention discloses a data transmitting system and a data transmitting method. The data transmitting system comprises a processor; a first transmitting interface; a first transmitting apparatus; a second transmitting interface; a second transmitting apparatus and a signal transmitting line. The processor enters a power down mode when the first transmitting apparatus does not output data. The first transmitting generates a data transmitting indication signal when the processor is operated in the power down mode and the first transmitting apparatus has data to be output. The second transmitting apparatus generates a recovery signal according to the data transmitting indication signal, and transmits the recovery signal to the processor via the second transmitting interface. Thereby the processor goes back to a normal mode to control the first transmitting apparatus to output data.

Description

technical field [0001] The present invention relates to a data transmission system and a data transmission method using two different transmission devices, in particular to a data transmission system and a data transmission method capable of enabling a processor controlling the data transmission system to enter a power saving mode. Background technique [0002] Today's computer devices usually support different transmission interfaces and different transmission devices. More common ones are Bluetooth devices using a USB (Universal Serial Bus) interface and wireless networks using a PCI (Peripheral Component Interconnect) or PCI-Express interface. In this kind of hardware structure, the USB controller in the computer device needs to continuously poll the Bluetooth device using the USB interface whether there is data to be transmitted. Therefore, the processor in the computer device cannot enter the power saving mode, which will cause additional power consumption. In additio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F1/32G06F13/38
CPCH04W52/0251Y02D30/70
Owner REALTEK SEMICON CORP