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Round Robin Selection Device Using a Feedback Priority Encoder Disclosure Number: IPCOM000061593D
Original Publication Date: 1986-Aug-01
Included in the Prior Art Database: 2005-Mar-09

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Sibbers, DE [+details]


The use of a priority encoder in conjunction with feedback to inhibit previously serviced inputs enhances the speed and simplifies the implementation of a round robin selection device. It is desired to select for servicing one of a possible plurality of service requests S(O) - S(N) at the input and have the single request selected to appear in encoded form at output 5. Further, the selections of the service requests must be made in a round robin order. The highest-order service request in this instance is denoted as S(O), and the lowest-order service request is denoted as S(N). The basic sequence of operation following the first selection is as follows: 1. Encode Register 10 holds the encode of the last request serviced. 2.