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. 01, 2010
Filed:
Apr. 07, 2006
Tariq Kurd, Bristol, GB;
Tariq Kurd, Bristol, GB;
STMicroelectronics (Research & Development) Limited, Buckinghamshire, GB;
Abstract
An arithmetic unit for selectively implementing one of a multiply and multiply-accumulate instruction, including a multiplier, addition circuitry, a result register, and accumulator circuitry. The multiplier arranged to receive first and second operands and operable to generate multiplication terms. The addition circuitry for receiving multiplication terms from the multiplier and operable to combine them to generate a multiplication result. The result register for receiving the multiplication result from the adder. The accumulator circuitry connected to receive a value stored in the result register and an accumulate control signal which determines whether the arithmetic unit implements a multiply or a multiply-accumulate instruction.