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:
Jun. 07, 2005
Filed:
Jul. 18, 2003
Motohide Nishibata, Wakayama, JP;
Tsutomu Mikami, Kyoto, JP;
Atsushi Ubukata, Kyoto, JP;
Takio Yamashita, Kyoto, JP;
Kouichirou Miyawaki, Osaka, JP;
Motohide Nishibata, Wakayama, JP;
Tsutomu Mikami, Kyoto, JP;
Atsushi Ubukata, Kyoto, JP;
Takio Yamashita, Kyoto, JP;
Kouichirou Miyawaki, Osaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A semiconductor integrated circuit device includes: a first semiconductor chip including a CPU and a debug basic circuit section for verifying operation of a program executed by the CPU; and a second semiconductor chip retained over a principal surface of the first semiconductor chip and including a debug extension circuit section electrically connected to the CPU and the debug basic circuit section. The debug basic circuit section includes a debug command analyzing section for analyzing a command input from outside. The debug extension circuit section formed in the second semiconductor chip includes a debugging function circuit section including at least one debug circuit.