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Data bit width conversion method and device

A technology of data bit width and conversion method, applied in the field of data processing, can solve the problems of complex data bit width conversion logic and low frequency, and achieve the effect of reducing the number of branches, simplifying the logic, and increasing the frequency

Inactive Publication Date: 2016-05-25
ZTE CORP
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Problems solved by technology

[0005] The main purpose of the present invention is to solve the technical problem of complex logic and low frequency of data bit width conversion

Method used

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  • Data bit width conversion method and device

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Embodiment Construction

[0030] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0031] The invention provides a data bit width conversion method.

[0032] refer to figure 1 , figure 1 It is a schematic flowchart of an embodiment of the data bit width conversion method of the present invention.

[0033] In one embodiment, the data bit width conversion method includes:

[0034] Step S10, select the input data through at least one level of input multiplexer, and obtain the data to be cached;

[0035] In this embodiment, when it is judged that there is data input, the input data is selected through at least one level of input multiplexer (MUX), wherein, when the input data is selected through the multi-level input multiplexer, the input data is selected through multiple consecutive selections to obtain the data that needs to be cached. And, in the multi-level input multiplexer, registers are ins...

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Abstract

The invention discloses a data bit width conversion method. The method comprises the following steps: selecting input data through at least one input multiplexer so as to obtain data to be cached; writing the data to be cached into a set quantity of caches, wherein a common divisor relationship exists between the set quantity of the caches and the set quantity of output data; and reading data of a corresponding cache from the caches and selecting the read data through an output multiplexer on the basis of the set quantity of the caches and the set quantity of the output data so as to obtain the preset quantity of output data. The invention furthermore discloses a data bit width conversion device. According to the data bit width conversion method and device, the logic of the output multiplexer is greatly simplified, so that the frequency is enhanced and the system required processing performance is satisfied.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to a data bit width conversion method and device. Background technique [0002] In the field of digital logic design, the processing bandwidth requirements for data products are getting higher and higher. Therefore, the requirements for technical indicators such as data bit width, clock frequency, and bandwidth utilization of the system are also higher. In order to ensure that the system processing clock frequency is also high when the data bit width in the system is large, and in order to minimize the complexity of system processing logic, it is usually necessary to convert the input variable or fixed amount of data into a specific fixed bit width . Therefore, data bit width conversion has become an important step in the system. [0003] At present, the commonly used data bit width conversion method is to directly complete the bit width conversion through a multiplexer (M...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F5/00
CPCG06F13/00
Inventor 姬明春谢小龙吕安新杨敏华
Owner ZTE CORP
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