Patent · US Expired

Microcontroller with selectable oscillator source

US6219797A · kind A · utility

38Cited by
11References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 14, 1998
Grant dateApr 17, 2001
Priority date
Expiry dateJan 14, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03K19/00361
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

An 8051 microprocessor core having an ability to operate via an external crystal oscillator or be switched to operate in a low power mode via an internal ring oscillator.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.