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:
Apr. 04, 2000
Filed:
Aug. 11, 1997
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
To provide a signal processor for performing processing in fewer cycles by selecting one of the two different operations in accordance with a flag signal and performing the selected operation without the use of a conditional branch instruction, the signal processor is provided with an instruction decoder, a control selecting circuit, a selecting circuit and an arithmetic unit. The instruction decoder decodes an instruction to output two control signals. The control selecting circuit is connected to the instruction decoder and selects one of the control signals in accordance with a flag signal stored in a flag holding circuit to output the selected signal. The selecting circuit selects one of a plurality of input data in accordance with the control signal outputted by the control selecting circuit and outputs the selected data. The arithmetic unit performs an operation on the data outputted by the selecting circuit.