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Method for achieving opposite end self-consultation function in high-speed Serdes

A self-negotiation, high-speed technology, applied in the field of data communication, can solve problems such as inability to ensure, achieve the effect of improving stability, flexible device connection, and improving flexibility

Active Publication Date: 2017-06-06
SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI +1
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Problems solved by technology

[0005] During the peer-to-peer data transmission process of Serdes, we cannot ensure that the data transmission and reception in each link are normal for each connection; at the same time, Serdes is used in an environment with a rate mode lower than 100G, and we need to negotiate an effective solution based on the actual situation. communication link mode

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  • Method for achieving opposite end self-consultation function in high-speed Serdes
  • Method for achieving opposite end self-consultation function in high-speed Serdes
  • Method for achieving opposite end self-consultation function in high-speed Serdes

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Embodiment Construction

[0024] The embodiments of the present invention are described below through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

[0025] It should be noted that the drawings provided in this embodiment are only to illustrate the basic concept of the present invention in a schematic way, so the drawings only show the components related to the present invention rather than the number, shape and the number of components in actual implementation. For dimension drawing, the type, quantity and proportion of each component can be changed at will in actual implementation, and t...

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Abstract

The invention provides a method for achieving an opposite end self-consultation function in high-speed Serdes. A user-defined encoding TS2 sequence is transmitted in a polling mode, and data pathes capable of supporting duplexing are automatically negotiated through the transmitting and receiving processes of opposite end data; transmitting ends corresponding to links incapable of being locked by a receiving end are switched off, in other words, the data paths incapable of being locked are switched off, and finally different links supporting a full duplex mode are selected out. According to the method for achieving the opposite end self-consultation function in high-speed Serdes, X1, X2, X4 and other different link modes meeting the rate requirements can be automatically negotiated, the data paths incapable of being locked are automatically switched off, and the overall system power consumption of Serdes is effectively reduced; adopted consultative code streams TS1 and TS2 are user-defined codes, the consultation process is not affected by a specific data format, and a data bus has high reusability.

Description

technical field [0001] The invention relates to the technical field of data communication, in particular to a method for realizing the self-negotiation function of the opposite end in a high-speed Serdes. Background technique [0002] The IEEE 802.3bj standard defines a physical layer specification that supports a data transmission rate of 100Gbps for backplanes and copper cables, of which the physical coding sublayer (Physical Coding Sublayer, PCS) under 100GBASE-KR4 The single-channel communication rate is 25Gbps, and the standard only supports 4 The lanes work online at the same time. [0003] Serdes is the abbreviation of English SERializer (serializer) / DESerializer (deserializer). It is a mainstream time division multiplexing (TDM), point-to-point (P2P) serial communication technology. The multi-channel low-speed parallel signals are converted into high-speed serial signals at the sending end, pass through the transmission medium (optical cable or copper wire), and fi...

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Application Information

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IPC IPC(8): G06F13/42
CPCG06F13/4291Y02D10/00
Inventor 王鹏蔡金池高鹏
Owner SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
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