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:
Nov. 18, 2008
Filed:
Nov. 29, 2006
Chun-wei Pan, Guangdong, CN;
Han-che Wang, Guangdong, CN;
Chen-hsuan Ho, Guangdong, CN;
Shin-hong Chung, Guangdong, CN;
Chun-Wei Pan, Guangdong, CN;
Han-Che Wang, Guangdong, CN;
Chen-Hsuan Ho, Guangdong, CN;
Shin-Hong Chung, Guangdong, CN;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;
Abstract
An input circuit shared by multi signal sources each of which outputting a type of signals includes a processing unit (). The processing unit includes a plurality of input pins () and an interrupt pin (), each of the input pins connecting with one or more of the signal sources and receiving signals from the signal sources. The input circuit further includes a tristate buffer () The tristate buffer includes an enable pin () enabling the tristate buffer upon receiving an enable signal, a plurality of input pins () connecting with one or more of the signal sources and receiving signals from the signal sources, and a plurality of output pins () connecting with the interrupt pin of the processing unit and producing an interrupt signal to the interrupt pin according to the signals received at the input pins. A related wake-up signal input circuit is also provided.