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. 08, 2006
Filed:
Sep. 15, 2004
Timothy Williams, Bellevue, WA (US);
Harold Kutz, Snoqualmie, WA (US);
Eric Blom, Lynnwood, WA (US);
Warren Snyder, Snohomish, WA (US);
Timothy Williams, Bellevue, WA (US);
Harold Kutz, Snoqualmie, WA (US);
Eric Blom, Lynnwood, WA (US);
Warren Snyder, Snohomish, WA (US);
Cypress Semiconductor Corp., San Jose, CA (US);
Abstract
A method and circuit provide a system level reset function for an electronic device. An initial reset function is provided under a low voltage condition of supply voltage, such as occur upon first energizing the electronic device. A tunable reset function is also provided, which can first be asserted at a voltage level setting less precise than that setting becomes upon tuning. Further, a boot-up reset function is provided, which provides its reset function at a voltage level setting that is set according to a calibration. Calibration can be based on data stored in a non-volatile memory, and can involve a checksum operation. The electronic device, a microcontroller for instance, is held in a reset state with any of the initial, tunable, and boot-up reset functions.