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Synchronizing sequence data transmission method and circuit apparatus

A data transmission method and a technology of synchronous sequence, applied in the field of data receiving and receiving circuits, can solve the problems of increasing component costs and achieve the effect of reducing costs and increasing the maximum communication transmission rate

Inactive Publication Date: 2013-07-10
CHUNGHWA TELECOM CO LTD
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Problems solved by technology

However, since the computing unit has an operating upper limit of the system frequency, there is an upper limit of the data transmission rate for the computing unit, and for a communication system that needs to exceed the upper limit of the data transmission rate, it is necessary to use more High instruction cycle operation unit, therefore, also means that the component cost will increase

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  • Synchronizing sequence data transmission method and circuit apparatus
  • Synchronizing sequence data transmission method and circuit apparatus
  • Synchronizing sequence data transmission method and circuit apparatus

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Embodiment Construction

[0059] The main structure of the synchronous sequence data transmission transceiver circuit of the present invention is as follows: figure 1 As shown, it is composed of an arithmetic unit 50 and a synchronous sequence and parallel data conversion circuit 20, with a parallel data interface 30 and a control interface 40 between them, and the synchronous sequence and parallel data conversion circuit 20 is connected to the serial data interface 10, Among them, the serial data interface 10 includes a serial transmitting terminal 11 and a serial receiving terminal 12, and an encoding program 501 is provided in the computing unit 50, which is used to convert data into electrical level data, and control the electrical level alignment and sequence during data transmission. The conversion and decoding program 502 is used to detect the received signal, control the generation timing of the synchronous frequency, and control the sequence and parallel conversion of the electrical level when ...

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Abstract

The present invention discloses a data receiving and sending circuit used for synchronous serial transmission, which can reduce time required for executing data coding or decoding when an arithmetic unit carries out serial transmission, thereby raising the data transmission rate. In comparison with conventional synchronous serial transmission circuits, the data transmission rate of the synchronous serial transmission circuit can be substantially raised under the arithmetic capability of the same arithmetic unit; or under the same data transmission rate, requirements of the arithmetic unit for a higher system clock can be substantially lowered, and the arithmetic unit with a lower speed is adopted, thereby reducing costs of communication devices.

Description

technical field [0001] The present invention is a data transceiver circuit applied to serial data transmission. In serial transmission, the transmitting end converts data bits into specific electrical levels according to the encoding format used to transmit data, and the receiving end converts data bits into specific electrical levels according to the received signal. The electrical level codes are converted into data bits. In order to achieve the above purpose, the computing unit of the communication device must encode and decode the transmitted data or the received signal respectively. However, the processing performance of the coding and decoding programs of the computing unit will affect the data transmission rate. Background technique [0002] Serial transmission is often used in wired data transmission between devices or long-distance wireless communication through conversion into radio frequency signals. Generally, bytes are used as the unit of data transmission, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L7/00H04B1/40
Inventor 吕柏文同少圣董圣龙
Owner CHUNGHWA TELECOM CO LTD
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