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:
Aug. 30, 1994
Filed:
Nov. 13, 1992
Tatsuo Teruyama, Kanagawa, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A data transfer device for controlling data transfer among memories includes a first bus control section for transferring addresses to the first memory through a first address bus, and for controlling input and output of a group of first control signals required to access the first memory. Also included is a second bus control section for transferring addresses in the second memory through the second address bus, and for controlling input and output of a group of second control signals required to access the second memory. A control circuit is used for inputting addresses on the first bus, addresses on the second bus, the group of first control signals and the group of second control signals, and selecting one of them based on the control signals from the first bus control section to supply the first memory, and for executing data transfer in one cycle by executing simultaneous address specification to the first bus control section and the second bus control section.