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Bridge and data clearing method of electronic system

An electronic system and bridge technology, applied in the field of data removal, can solve problems such as data inconsistency, and achieve the effect of improving performance

Active Publication Date: 2007-11-28
VIA TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when a synchronization event occurs, the data is still temporarily stored in the bridge, which will cause data inconsistency.

Method used

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  • Bridge and data clearing method of electronic system
  • Bridge and data clearing method of electronic system
  • Bridge and data clearing method of electronic system

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Embodiment Construction

[0015] In order to make the above-mentioned and other objects, features and advantages of the present invention more obvious and understandable, a preferred embodiment, together with the accompanying drawings, is described in detail as follows.

[0016] Figure 1 shows an embodiment of an electronic system. As shown in the figure, the electronic system 100 can be implemented in a computer system, but is not limited to this. It can also be implemented in a digital camera, a digital video recorder, a consumer electronic product, a mobile communication device, a portable electronic product, or a robot . The electronic system 100 includes a master control element MA, a slave element SA, a bridge 10 and a peripheral device 20. For example, the master element MA may be a central processing unit (CPU), the slave element SA may be a system memory or a cache memory in the central processing unit, and the peripheral device 20 may be a peripheral device interconnect (peripheral device). compo...

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PUM

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Abstract

The invention discloses a bridge and data clearing method of electronic system, which is characterized by the following: comprising a first master control element, a buffer unit and a clear demand control circuit; outputting a clear demand with the first host control element; setting the buffer unit as a plurality of buffer; receiving the clear demand; detecting empty of a plurality of buffer; recording the empty buffer; outputting a clear assured signal to the first host control element. This invention can put data and or order to the buffer unit, which can improve the performance of the system effectively.

Description

Technical field [0001] The present invention relates to a data erasing method, in particular to a data erasing method that can avoid data inconsistency without reducing performance. Background technique [0002] Many computer systems use at least two buses. The first is usually called a memory bus for communication between the central processor and main memory, and the second is usually a peripheral device bus. (peripheral bus) is used for communication between peripheral devices (such as graphics systems, disk drives or local area networks). In order to enable data to be transmitted between these two buses, a bridge is usually used to connect the two buses together. [0003] The main job of the bridge is to transfer data from one bus to another. In order to achieve this function, the bridge must have the capability of a slave element and the capability of a master element (master capacity), so that it can be used as a slave element to receive requests from one bus, and then as a...

Claims

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Application Information

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IPC IPC(8): G06F13/40
Inventor 范靖徐晓画
Owner VIA TECH INC