Changing the clock frequency of a computing device

US9660799B1 · kind B1 · utility

Assignee

• Intel Corporation · US

Inventors

• Alexander Gendler · Kiryat Motzkin, IL
• Ernest Knoll · Haifa, IL
• Ofer Nathan · Kiryat Yam, IL
• Michael Mishaeli · Jerusalem, IL
• Krishnakanth V. Sistla · Beaverton, US
• Ariel Sabba · Carmiel, IL
• Shani Rehana · Shoham, IL
• Ariel Szapiro · Nes Ziona, IL
• Tsvika Kurts · Haifa, IL
• Ofer Levy · Atlit, IL

Key dates

• Filing date: Nov 24, 2015
• Grant date: May 23, 2017
• Expiry date: Nov 24, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02D10/00
• WIPO field: Digital communication
• WIPO sector: Electrical engineering

Abstract

Techniques for enabling a rapid clock frequency transition are described. An example of a computing device includes a Central Processing Unit (CPU) that includes a core and noncore components. The computing device also includes a dual mode FIFO that processes data transactions between the core and noncore components. The computing device also includes a frequency control unit that can instruct the core to transition to a new clock frequency. During the transition to the new clock frequency, the dual mode FIFO continues to process data transactions between the core and noncore components.