wm8982gefl-v Wolfson Microelectronics plc, wm8982gefl-v Datasheet - Page 32

• Manufacturer Part Number: wm8982gefl-v
• Description: Mono Codec With Speaker Driver And Video Buffer
• Manufacturer: Wolfson Microelectronics plc

WM8982
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When the ALC is disabled, the input PGA remains at the last controlled value of the ALC. An input
gain update must be made by writing to the INPPGAVOLL/R register bits.
NORMAL MODE
In normal mode, the ALC will attempt to maintain a constant signal level by increasing or decreasing
the gain of the PGA. The following diagram shows an example of this.
Figure 17 ALC Normal Mode Operation
PP, Rev 3.2, September 2008
Pre-Production
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