Clock Embedded Data Transmission Method and Packet Data Encoding/Decoding Method
A data transmission method and data transmission technology, applied in the field of data packet transmission, can solve the problems of increased hardware cost and power consumption
Active Publication Date: 2016-03-30
NOVATEK MICROELECTRONICS CORP
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Problems solved by technology
[0005] Although the above-mentioned clock embedding method using encoding can achieve a higher transmission rate, the hardware cost and power consumption of this method will increase significantly
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[0044] The present invention proposes a novel clock embedding method, which can not only embed the clock in data transmission, but also reduce data errors when there is equivalent long run data being transmitted.
[0045] Some examples are given below to illustrate the present invention, but the present invention is not limited to the examples given, and appropriate combinations are allowed among the examples given.
[0046] Figure 5 A schematic structural diagram of a data packet according to an embodiment of the present invention is shown. refer to Figure 5 , the structure of the packet (packet) includes the original data D 0 ,D 1 ,...,D N-1The data area 202 and the header field 200 of . The data area 202 has N bits, where N is any integer, generally speaking, N≧4. The preceding header field 200 has M bits. This example is M=2. It is clock & toggle index (CTI), also called clock / toggle information. So the packet length is N+2 bits. In this embodiment, the CTI can...
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The invention discloses a clock pulse embedded data transfer method and a packaged data coding / decoding method, wherein the clock pulse embedded data transfer method comprises the following steps: determining a first bit length and a second bit length in an initial phase, receiving original data, packaging the original data, using every N bits as a package, N is at least four, analyzing whether a long string of data which have continuous same original data exist in the package or not, wherein the length of the long string of data is larger than N / 2, and conducting a package coding which comprises embedding clock pulse / overturning data into the package. The clock pulse / overturning data are the first bit length, the content of the clock pulse / overturning data determines whether the long string of data are overturned or not. The occurrence frequency of the clock pulse / overturning data serves as clock pulse information. If the length of the long string of data is not larger than N / 2, the long string of data is not overturned. If the length of the long string of data is larger than N / 2, bit data with the second bit length behind the L bit of the long string of data is overturned.
Description
technical field [0001] The present invention relates to a data packet transmission method, in particular to a clock embedding data transmission method and packet data encoding / decoding method. Background technique [0002] The action of data transmission is indispensable in the operation of electronic products. For digital displays, such as thin-film tube displays (TFTLD), the common data transfer interface (RSDS or mini-LVDS) between the timing control unit (TCON) and the source driver in the interior is solved due to various new applications, such as 120Hz Under the requirements of dynamic afterimage, 3D display at 240Hz, or narrow bezel (Slim), the demand for data rate has far exceeded the load level of the current data transmission interface. The immediate solution is to increase the number of channels in the interface. figure 1 A diagram showing a traditional data transfer architecture. refer to figure 1 , the timing control unit (TCON) 100 is transmitted to each so...
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IPC IPC(8): H04L1/00
Inventor 苏嘉伟萧竹芽
Owner NOVATEK MICROELECTRONICS CORP