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Data buffer system and rending method of data buffer device

A data buffering and data technology, applied in the input/output process of data processing, electrical digital data processing, instruments, etc., can solve problems such as poor performance, difficulty in improving data processing speed, and inability to adapt to users

Active Publication Date: 2008-11-05
VIA TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the known data buffering mechanism is easy to implement and low in cost, its performance is not good. It can only do one-way data transmission at the same time, and it is difficult to increase the speed of data processing, which cannot meet the needs of users.

Method used

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  • Data buffer system and rending method of data buffer device
  • Data buffer system and rending method of data buffer device
  • Data buffer system and rending method of data buffer device

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Embodiment Construction

[0068] FIG. 2 is a schematic block diagram according to an embodiment of the invention. The bus 21 and the dynamic memory 22 transmit data through a data buffer device 20 . The bus 21 can be a PCI bus, an ISA bus, an AMBA bus, an AHA bus, a SOC / Local bus, an ASB bus, an APB bus, a ZSB bus and a ZPB bus. The dynamic memory 22 can be SDRAM or DDR RAM. The bus 21 reads the data buffer device 20 through the bus controller 28 , and the data buffer device 20 performs access operations to the dynamic memory through the dynamic memory controller 29 . The data buffering device 20 communicates with the bus controller 28 and the dynamic memory controller 29 through the first common interface 28b and the second common interface 29b, and the bus controller 28 communicates with the bus 21 through a bus interface 28a, and the dynamic memory controller 29 communicates with the bus through a bus interface 28a. A dynamic memory interface 29 a communicates with the dynamic memory 22 . In this...

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Abstract

A method for fetching data buffer device includes setting the first common interface and the second common interface as well as independent fetching and writing - in path on data buffer device, using the first interface controller to process data format conversion between the first interface unit and data converting unit, using the second interface controller to process data format conversion between the second interface unit and data converting unit, making data buffer device be adapted to different interface unit by replacing two said interface units.

Description

technical field [0001] The invention relates to a data buffering device, in particular to a data buffering device suitable for two different devices. Background technique [0002] Under different interfaces, data has its specific format and transmission rate, so a specific buffer mechanism is required to enable data to be transmitted on different interfaces. figure 1 As a known data buffering mechanism, a state machine (state machine) 11 is used for data transfer between the bus 12 and the dynamic memory 13 . Although the known data buffering mechanism is easy to implement and low in cost, its performance is not good, and it can only perform one-way data transmission at the same time, and it is difficult to increase the speed of data processing, which cannot meet the needs of users. Contents of the invention [0003] The purpose of the present invention is to provide a data buffering system suitable for two different devices and a method for reading a data buffering devic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/00
Inventor 蔡文宗徐荣灿
Owner VIA TECH INC