Data Processing Circuit and Data Processing Method

This invention discloses a data processing circuit and a data processing method. The data processing method controls data transmission between a USB control unit and a USB interface, and includes the steps of: detecting a voltage of a configuration channel pin of the USB interface to generate a dete...

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1. Verfasser: LIN CHIAIANG
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:This invention discloses a data processing circuit and a data processing method. The data processing method controls data transmission between a USB control unit and a USB interface, and includes the steps of: detecting a voltage of a configuration channel pin of the USB interface to generate a detection signal; determining whether the USB control unit and the USB interface are connected according to the detection signal; and performing an audio signal processing procedure when the USB control unit and the USB interface are not connected.