WM8985_07 Datasheet, PDF (33/118 Pages) Wolfson Microelectronics plc – Multimedia CODEC With Class D Headphone and Line Out

Pre-Production
WM8985
Figure 15 Volume Update Using Zero Cross Detection
If there is a long period where no zero-crossing occurs, a timeout circuit in the WM8985 will
automatically update the volume. The volume updates will occur between one and two timeout
periods, depending on when the INPPGAVU bit is set as shown in Figure 16.
Figure 16 Volume Update After Timeout
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PP, Rev 3.5, January 2007
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