Data transmission system, data transmission method, and transmission device

A technology of data transmission and transmission device, applied in the direction of digital transmission system, transmission system, synchronization device, etc., can solve the problem of reducing data transmission efficiency, and achieve the effect of improving transmission efficiency

Inactive Publication Date: 2013-03-06
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, in the above-mentioned method of suspending data transmission and receiving and performing reception adjustment, since data transmission and reception and reception adjustment are performed at different timings, there is a problem that the data transmissio

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0052] Example 1

[0053] In the following embodiments, the configuration and processing flow of the data transmission system of Embodiment 1 will be explained in order, and the effects of Embodiment 1 will be explained at last. In addition, an example where the bit width of the parallel transfer data is 5 bits will be described below.

[0054] [Configuration of Data Transmission System]

[0055] First, use figure 1 The configuration of the data transfer system of the embodiment will be described. figure 1 It is a block diagram showing the structure of the data transfer system of the first embodiment. figure 1 The illustrated data transmission system 1 has a transmission side LSI 10 and a reception side LSI 20, and the transmission side LSI 10 and the reception side LSI 20 are connected via the data transmission lines 16A to 16E and the clock transmission line 17.

[0056] The data transfer lines 16A to 16E transfer the transmission data transmitted from the transmission-side LSI 10 t

Example Embodiment

[0101] Example 2

[0102] So far, Example 1 has been described, but in addition to the above-mentioned Examples, it can be implemented in various different ways. Therefore, other examples will be described as Example 2 below.

[0103] (1) Multiple transmitting-side LSIs

[0104] In the first embodiment described above, the case where data is transferred between one transmitting-side LSI and one receiving-side LSI has been described, but the present invention is not limited to this, and a plurality of transmitting-side LSIs may be provided. For example, such as Figure 28 As shown, the transmitting-side LSI with a plurality of transmission data, in the receiving-side LSI, the output to the transmitting-side LSI10A uses CS1 to communicate the signals between the control units, and the output to the transmitting-side LSI10B uses CS0 to perform the inter-controlling signals Communication. In addition, the detailed structure of each part is described in figure 1 So omitted.

[0105] Here,

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PUM

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Abstract

Disclosed are a data transmission system, a data transmission method, and a transmission device. A data transmission system has a plurality of signal lines (16A to 16E) that transmit either transmission data that is transmitted from a transmission side (LSI10) to a reception side (LSI20) or reception adjustment data for adjusting reception. In addition, the data transmission system determines which signal line among the plurality of signal lines (16A to 16E) will be used to transmit the reception adjustment data. Then, using the chosen signal line, the data transmission system transmits the reception adjustment data to the reception side (LSI20) and, using the other signal lines, transmits the transmission data to the reception side (LSI20). As a result, data transmission efficiency can be improved whilst continuing to perform reception adjustment, because transfer processing of phase adjustment patterns can be conducted at the same time as normal data transfer processing.

Description

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Claims

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Application Information

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Owner FUJITSU LTD
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