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:
Sep. 02, 2008
Filed:
Dec. 02, 2004
Kenji Yamada, Nukata-gun, JP;
Hideaki Ishihara, Okazaki, JP;
Kyouichi Suzuki, Toyohashi, JP;
Yoshinori Teshima, Toyota, JP;
Toshihiko Matsuoka, Nukata-gun, JP;
Naoki Ito, Nukata-gun, JP;
Kenji Yamada, Nukata-gun, JP;
Hideaki Ishihara, Okazaki, JP;
Kyouichi Suzuki, Toyohashi, JP;
Yoshinori Teshima, Toyota, JP;
Toshihiko Matsuoka, Nukata-gun, JP;
Naoki Ito, Nukata-gun, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
During software development, a multichip module is used which encloses a target chip and a development chip in one package. A CPU of the development chip fetches instructions from a flash memory in the chip to execute them, and accesses RAM and peripheral circuits in the chip. For motor control circuits that exist only in the target chip, the CPU accesses them via serial communication. When the one-chip microcomputer operates alone, its CPU switches a switching circuit to a JTAG interface side to actuate a motor control circuit via internal serial communication.