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2. 发明授权

US6111859A Data transfer network on a computer chip utilizing combined bus and ring topologies 失效
标题翻译：使用组合总线和环形拓扑的计算机芯片上的数据传输网络
公开(公告)号：US6111859A
公开(公告)日：2000-08-29
申请号：US957589
申请日：1997-10-24
申请人： Gary M. Godfrey , J. Andrew Lambrecht , Alfred C. Hartmann
发明人： Gary M. Godfrey , J. Andrew Lambrecht , Alfred C. Hartmann
IPC分类号： H04L12/42 , H04L29/06 , H04L2/28
CPC分类号： H04L12/42 , H04L29/06 , H04L69/08
摘要： A computer chip includes a data transfer network. The data transfer network comprises a backbone bus, a plurality of communication ports and a plurality of devices or modules each coupled to the backbone bus. Each of the devices includes or is coupled to one or more communication ports. Some of communication ports are operable to transmit and receive data on the backbone bus. Furthermore, the communication ports are interconnected in a ring topology forming a circular bus or a semi-circular bus. A subset of the communication ports may transmit and receive data on the circular bus or semi-circular bus. For the semi-circular bus, the communication ports are not coupled to form a complete ring topology. The communication ports may be operable to communicate with each other over the backbone bus and/or the circular bus. Each of the communication ports includes backbone bus interface logic, circular bus interface logic, one or more data transfer buffers and/or control logic. The communication ports are preferably able to transfer communications between the backbone bus, the circular bus and/or the modules.
摘要翻译：计算机芯片包括数据传输网络。数据传输网络包括骨干总线，多个通信端口以及各自耦合到骨干总线的多个设备或模块。每个设备包括或耦合到一个或多个通信端口。一些通信端口可用于在骨干总线上发送和接收数据。此外，通信端口以环形拓扑互连，形成圆形总线或半圆形总线。通信端口的子集可以在圆形总线或半圆形总线上发送和接收数据。对于半圆形总线，通信端口不耦合以形成完整的环形拓扑。通信端口可以可操作以通过骨干总线和/或循环总线彼此通信。每个通信端口包括主干总线接口逻辑，循环总线接口逻辑，一个或多个数据传输缓冲器和/或控制逻辑。通信端口优选地能够在骨干总线，圆形总线和/或模块之间传送通信。

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