Serial connection method based on LVDS
A serial connection method and mainframe technology, applied in the field of copy serial connection, can solve problems such as low production efficiency and complicated copy operation, and achieve the effect of reducing workload and strong stability
Pending Publication Date: 2020-02-28
苏州工业园区慧鱼科技有限公司
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[0003] The purpose of the present invention is to provide a serial connection method based on LVDS to solve the problems in the prior art that multiple master disks are needed when copying more hard disks, the copy operation is complicated and the production efficiency is low
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[0016] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments.
[0017] like figure 1 As shown, the present invention provides a kind of serial connection method based on LVDS, comprises the steps:
[0018] (1) Connect the circuit board of the multi-level duplicator with an LVDS serial cable, and then power on, and the link training is automatically performed between the ports. The host sends a known pattern through the LVDS serial cable for training, and the slave returns data after receiving the pattern. Multiple handshakes to complete the training of the link, so that the data transmission of the link can rea...
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The invention relates to a serial connection method based on LVDS (Low Voltage Differential Signaling), which comprises the following steps that a multistage copying machine circuit board is connectedby using an LVDS serial connection wire, electrified, and link training between ports is automatically carried out; the host sends an instruction downwards through the instruction channel to confirmthe number of cascaded layers of the copying machine circuit board; after the hard disks are connected with the copying machine circuit board and are identified, the host sends a copying instruction to the slaves through the LVDS serial port command channel, and all the hard disks are started to be copied; the host reads the data in the mother disc and sends the data to each stage of slave throughan LVDS serial port data channel; and after copying is finished, the host sends an end command to the slave through the LVDS serial port command channel to finish copying. According to the serial connection method based on the LVDS, infinite-level serial connection can be achieved, the stability is high, multiple hard disks are copied at the same time, and the workload of an operator is reduced;the transmission bit width is customized, and the transmission speed of 1.6*data bit width Gb / s can be realized.
Description
technical field [0001] The invention relates to the technical field of copy serial connection, in particular to an LVDS-based serial connection method. Background technique [0002] In the process of computer production, the system disk will be produced by copying the hard disk. In the process of copying the production system disk, a duplicator is needed. Due to the limitation of chip resources, each circuit board can only be connected to a limited number of hard disks. When copying more hard disks, multiple duplicators are needed, and the operation of multiple duplicators requires multiple master disks. However, making master disks will waste a lot of time, and multiple duplicators require a lot of work from the operator. operation, relatively affecting production efficiency. Contents of the invention [0003] The purpose of the present invention is to provide a serial connection method based on LVDS to solve the problems in the prior art that multiple master disks are n...
Claims
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IPC IPC(8): G06F13/38
CPCG06F13/385G06F2213/0004
Inventor 孙百勋
Owner 苏州工业园区慧鱼科技有限公司