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.

Date of Patent:
Nov. 06, 2001

Filed:

Feb. 20, 1998
Applicant:
Inventor:

Masaru Goto, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/500 ;
U.S. Cl.
CPC ...
G06F 1/500 ;
Abstract

A general purpose register stores a 16-bit fixed length instruction. A bypass circuit speedily outputs the result of a comparison instruction when the next conditional branch instruction is executed. An ALU performs a logic process and so forth. A high speed multiplying device/high speed dividing device performs an arithmetic operation at high speed. An address calculating portion calculates an address. An instruction decoder/pipeline controlling portion decodes an instruction and controls a pipeline. A dedicated control register is used as an interrupt stack pointer or the like. An interrupt controller performs a multiple interrupt process. A coprocessor bus is disposed independently from a data bus.


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