Maintaining processor execution during frequency transitioning

An embodiment of the present invention includes a standby clock generator and a selector. The standby clock generator generates a standby clock synchronous to a core clock. The core clock is generated by a core clock generator during a normal operation mode. The core clock generator stops the core c...

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Bibliographische Detailangaben
Hauptverfasser: Derhalli, Islam, Jahagirdar, Sanjeev, George, Varghese, Mangrulkar, Kedar, Nazareth, Mathew
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An embodiment of the present invention includes a standby clock generator and a selector. The standby clock generator generates a standby clock synchronous to a core clock. The core clock is generated by a core clock generator during a normal operation mode. The core clock generator stops the core clock during a frequency transition. The selector generates a processor clock from the standby clock during the frequency transition from the normal operation mode according to a selector control signal.