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:
Feb. 08, 2000
Filed:
Jan. 30, 1997
Junichi Nishimoto, Hachioji, JP;
Hideo Maejima, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A data processor which includes a first processor for executing a first instruction set and a second processor for executing a second instruction set different from the first instruction set. When the first processor executes a predetermined instruction of the first instruction set the second processor executes an instruction of the second instructions set. The first processor may be a reduced instruction set computer (RISC) type processor, the second processor may be a very long instruction word (VLIW) type processor, the first instruction set may be a RISC instruction set and the second instruction set may be a VLIW instruction set. The predetermined instruction of the RISC instruction set executed by the first processor may be a branch instruction causing a branch to a specific address space at which VLIW instructions are stored. Thereafter, the VLIW instructions at the specific address space are executed by the VLIW type processor.