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. 04, 1997
Filed:
Jun. 29, 1994
Applicant:
Inventor:
Norio Masui, Itami, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395378 ;
Abstract
A semiconductor apparatus for data processing capable of reading a control code to the outside by adding only a small quantity of logical circuit and wiring area, by being provided with an incrementer 305 for incrementing the output of a .mu.-address register 302, a counter 102 for counting the number of overflows of the incrementer 305, a second selector 103 for dividing and selecting the control code outputted from a .mu.-ROM 301 responsive to a count value of the counter 102, and with a third selector 104 for selecting the output of the second selector 103 at the time of control code reading mode and for inputting it to the operand address register 309.