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:
Oct. 10, 1995
Filed:
Jun. 29, 1993
Kimiko Nakamura, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A microcomputer of the present invention includes a multiplication circuit for multiplication of a multiplier and a multiplicand data, a ripple carry adder for addition of the data and the carry from the multiplication circuit and addition of the multiplication results, a multiplication result holding register to hold the multiplication result obtained by the addition of said data and the carry from the ripple carry adder, a product-sum operation result holding register to hold the product-sum operation result obtained by addition of the multiplication results at the ripple carry adder, a selector to selectively input the data or the carry from the multiplication circuit or the multiplication result held at the multiplication result holding register to the ripple carry adder, a second selector to selectively input the data or the carry from the multiplication circuit or the product-sum operation result held at the product-sum operation result holding register to the ripple carry adder and a third selector to selectively output the multiplication result or the product-sum operation result held at the multiplication result holding register or the product-sum operation result holding register.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile