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Determining method for bus using right

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专利汇可以提供Determining method for bus using right专利检索,专利查询,专利分析的服务。并且PURPOSE: To reduce the number of signals on a bus and to obtain a flexible bus using right determining method by outputting a bus using request to modules at plural levels and encoding these levels to output them.
CONSTITUTION: It is supposed that a bus using right is requested to both modules 2-1, 2-2 by a code '0' which is the highest priority level. A using request line 3-1 from the module 2-1 and a using request line 3-2 from the module 2-2 which set up the outputs of 3-input NAND gates in respective modules to logical '0' are simultaneously sent to an arbiter 1. A priority encoder in the arbiter 1 selects the line 3-1 having the higher priority out of the lines 3-1, 3-2 set up to logical '0'. The decoder sets up a using grant line 4-1 to the module 2-1 which corresponds to the line 3-1 to logical '0' and sent the line 4-1 to the module 2-1 and the module 2-1 acknowledges the acquisition of the bus using right.
COPYRIGHT: (C)1986,JPO&Japio,下面是Determining method for bus using right专利的具体信息内容。

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