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. 18, 1998
Filed:
May. 24, 1996
Richard L Hull, Chandler, AZ (US);
Gregory C Bingham, Gilbert, AZ (US);
Microchip Technology Incorporated, Chandler, AZ (US);
Abstract
A microcontroller circuit having firmware selectable oscillator trimming includes, in combination, a microcontroller, an oscillator located within the microcontroller for providing a system clock signal for the microcontroller, and a memory portion for providing trimming data to the oscillator for trimming frequency of the system clock. The microcontroller circuit includes microcontroller logic which has the trimming data stored therein for transfer to the memory portion. Additionally, the microcontroller logic permits the user to alter the trimming data after it has been transferred to the memory portion, thereby permitting the user to alter the amount of modification of the system clock frequency from the amount associated with the trimming data.