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Transport protocols suitable for multiprocessor network on chip

A network-on-chip, transmission protocol technology that is used in transmission systems, error prevention/detection using return channels, electrical components, etc., to solve problems such as the inability of bus structures to effectively support processors

Inactive Publication Date: 2008-07-23
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The traditional bus structure cannot effectively support more and more processors, while Network-on-Chip is currently the most promising solution for multi-processor interconnection

Method used

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  • Transport protocols suitable for multiprocessor network on chip
  • Transport protocols suitable for multiprocessor network on chip

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Embodiment Construction

[0072] A specific embodiment of the present invention will be described below in conjunction with the accompanying drawings, but it is not intended to limit the present invention. This implementation example includes four transmission processes: master request sending, master request receiving, slave request sending and slave request receiving.

[0073] In this embodiment, the network on chip includes three nodes, node zero can initiate master request transmission and slave request transmission, node I and node II can respond to master request transmission and slave request transmission, and initiate master request transmission. The data address is 32 bits, and it is a byte address, the data transmission amount is 16 bits, and the node number is 3 bits. Packets in the network-on-chip arrive out of order. The bit width of the packet is 88 bits, including 8 bits of header information and 80 bits of payload.

[0074] The header information includes a 2-bit packet type, a 3-bit ...

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Abstract

The invention discloses a transmission protocol which is suitable to the multi-processor on-chip network, and is suitable to the data transmission among on-chip network nodes, which comprises the four transmission processes, the first is that sending out the main request, the second is that receiving the main request, the third is that sending out the sub request, and the fourth is that receiving the sub request. The transmission protocol of the invention which is suitable to the multiprocessor on-chip network is mainly used on the data transmission among the multiprocessor on-chip network nodes.

Description

technical field [0001] The invention relates to the field of on-chip network communication, in particular to a transmission protocol suitable for multi-processor on-chip networks. Background technique [0002] With the continuous improvement of integrated circuit manufacturing technology, a single system chip (System-on-Chip) will be able to integrate dozens or even more processors. The traditional bus structure cannot effectively support more and more processors, and Network-on-Chip is currently the most promising solution for multi-processor interconnection. [0003] The main features of the network on a chip are multiprocessors and network communication, and the key technologies of the network on a chip communication include communication protocols and topological structures. The communication protocol defines how nodes are connected to the network and how to transmit information between nodes, usually divided into multiple levels. A data transmission protocol described...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L1/16
Inventor 刘鹏吴江南项存昶夏冰杰王维东史册姚庆栋
Owner ZHEJIANG UNIV
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