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WM8978GEFL/V Datasheet(PDF) 31 Page - Wolfson Microelectronics plc

Part # WM8978GEFL/V
Description  Stereo CODEC With Speaker Driver
PDF  119 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8978GEFL/V Datasheet(HTML) 31 Page - Wolfson Microelectronics plc

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Pre-Production
WM8978
w
PP Rev 3.0 May 2006
31
Figure 14 Volume Update Using Zero Cross Detection
If there is a long period where no zero-crossing occurs, a timeout circuit in the WM8978 will
automatically update the volume. The volume updates will occur between one and two timeout
periods, depending on when the INPPGAUPDATE bit is set as shown in Figure 15.
Figure 15 Volume Update after Timeout



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