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:
Aug. 23, 2016
Filed:
Aug. 29, 2013
Semiconductor Energy Laboratory Co., Ltd., Atsugi-shi, Kanagawa-ken, JP;
Tatsuji Nishijima, Kanagawa, JP;
Hidetomo Kobayashi, Kanagawa, JP;
Tomoaki Atsumi, Kanagawa, JP;
Kiyoshi Kato, Kanagawa, JP;
Semiconductor Energy Laboratory Co., Ltd., Atsugi-shi, Kanagawa-ken, JP;
Abstract
To provide a microcontroller that can operate in a low power consumption mode. The microcontroller includes a CPU, a memory, and a peripheral circuit such as a timer circuit. A register of the peripheral circuit is formed at an interface with a bus line. A power gate is provided for control of power supply, and the microcontroller can operate in the low power consumption mode where some circuits alone are active, in addition to in a normal operation mode where all circuits are active. A register with no power supply in the low power consumption mode, such as a register of the CPU, includes a volatile memory and a nonvolatile memory.