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1. 发明授权

US06516369B1 Fair and high speed arbitration system based on rotative and weighted priority monitoring 失效
标题翻译：基于旋转和加权优先级监控的公平和高速仲裁系统
公开(公告)号：US06516369B1
公开(公告)日：2003-02-04
申请号：US09473496
申请日：1999-12-28
申请人： Francis G. Bredin
发明人： Francis G. Bredin
IPC分类号： G06F13364
CPC分类号： G06F13/364
摘要： A mixed rotative and weighted arbiter for arbitrating the priority of request signals R1-Rn supplied from a plurality of devices is disclosed. The arbiter is composed of a token circuit which delivers a token vector having one position set active. The token vector as well as the plurality of request signals are input to a rotative arbitration circuit. The rotative arbitration circuit processes a round robin algorithm to output a rotative request vector having input requests ordered from a higher to a lower priority configuration according to the active position of the token vector. The arbiter further comprises a weighted arbitration circuit connected to the output of the rotative arbitration circuit for generating a weighted request vector determining a linear priority configuration of the rotative request vector. A grant generation circuit is connected to the output of the weighted arbitration circuit and to the output of the token circuit to deliver a grant order to the device which may gain access to the bus and a plurality of no grant orders to the others devices.
摘要翻译：公开了一种用于仲裁从多个设备提供的请求信号R1-Rn的优先级的混合旋转和加权仲裁器。仲裁器由令牌电路组成，令牌电路传送一个位置设置为有效的令牌向量。令牌向量以及多个请求信号被输入到旋转仲裁电路。旋转仲裁电路处理循环算法以根据令牌向量的活动位置输出具有从较高优先级配置到低优先级配置排序的输入请求的旋转请求向量。仲裁器还包括连接到旋转仲裁电路的输出的加权仲裁电路，用于生成确定旋转请求向量的线性优先级配置的加权请求向量。授权生成电路连接到加权仲裁电路的输出和令牌电路的输出，以向授权订单提供授权订单给设备，该设备可以访问总线，并向其他设备发送多个无授权订单。

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