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. 18, 2003
Filed:
Oct. 26, 1999
Applicant:
Inventor:
Motoki Higashida, Hyogo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/100 ;
U.S. Cl.
CPC ...
G06F 1/100 ;
Abstract
A multiplexer is provided for selecting Central Processing Unit (CPU) operation trace information sent from a debug support unit and an internal signal on an internal bus in accordance with a test mode signal, and for transmitting the selected information or signal to a pin terminal for CPU operation trace information signal. A semiconductor integrated circuit device with a processor is provided which allows easy external monitoring of the internal signals, and therefore allows easy debugging even at an on-board level without increase in number of the pin terminals.