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:
Jun. 20, 2000
Filed:
Dec. 22, 1997
Masayuki Hirasawa, Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
A data transfer circuit making it possible to enhance the operational efficiency of a CPU, decrease the burden imposed to software, and reduce the scale of hardware. The data transfer circuit 10 is provided with a latch circuit 11 for latching signals EA, EB, EC indicating termination of the operation of a peripheral function portion, an operation result register 12 for storing operation results, an exclusive pointing register 13 designating a memory address for storing the contents of the operation result register 12 to a RAM, a selector 14 for selecting the exclusive pointing register 13 in response to the operation terminate signal EA, EB, EC, a selector 15 for selecting the operation result register 12 in response to the operation terminate signal EA, EB, EC, an OR gate 16 receiving the output of the latch circuit 11, a selector 17 for selecting a RAM address bus or the output signal from the selector 14, selectors 18, 19 for selecting the output signal, and a RAM 20.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile