WM8960_11 datasheet(44/91 Pages) WOLFSON

No de pièce	WM8960

Description	Stereo CODEC with 1W Stereo Class D Speaker Drivers and Headphone Drivers for Portable Audio Applications

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Fabricant	WOLFSON [Wolfson Microelectronics plc]

Site Internet	http://www.wolfsonmicro.com

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44 / 91 page

WM8960

Production Data

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PD, October 2011, Rev 4.1

44

Figure 18 Volume Update using Zero Cross Detection

If there is a long period where no zero-crossing occurs, a timeout circuit in the WM8960 will

automatically update the volume. The volume updates will occur between one and two timeout

periods, depending on when the volume update bit is set as shown in Figure 19. The TOEN register

bit must be set to enable this timeout function. The timeout period is set by TOCLKSEL.

Figure 19 Volume Update after Timeout

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