The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 17, 1996
Filed:
Oct. 28, 1993
Edward A Gardner, Colorado Springs, CO (US);
Digital Equipment Corporation, Maynard, MA (US);
Abstract
A method and apparatus for transferring data among a plurality of sending and receiving nodes is disclosed. All nodes use the same control lines in the same manner. In a first phase all nodes assert a first control line and transfer data to the data bus concurrent with the assertion of a second control line. After each of the nodes has released the first control line, a second phase occurs with all nodes reading the data. The data transfer is complete when a preconditioned second control line is released by all of the nodes. A third phase resets the control lines to enable the next data transfer cycle to begin. Nodes may take a variable time for each phase of a data transfer and the transfer rate is automatically adjusted to the slowest node.