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WM8960 Fiches technique(PDF) 43 Page - Wolfson Microelectronics plc |
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WM8960 Fiches technique(HTML) 43 Page - Wolfson Microelectronics plc |
43 / 91 page Production Data WM8960 w PD, October 2011, Rev 4.1 43 VOLUME UPDATES Volume settings will not be applied to input or output PGAs until a '1' is written to one of the update bits (IPVU, OUT1VU, SPKVU bits). This is to allow left and right channels to be updated at the same time, as shown in Figure 16. Figure 16 Simultaneous Left and Right Volume Updates If the volume is adjusted while the signal is a non-zero value, an audible click can occur as shown in Figure 17. Figure 17 Click Noise during Volume Update In order to prevent this click noise, a zero cross function is provided. When enabled, this will cause the PGA volume to update only when a zero crossing occurs, minimising click noise as shown in Figure 18. |
Numéro de pièce similaire - WM8960_11 |
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Description similaire - WM8960_11 |
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