Cirrus Logic CS42L52 - Manual (Page 56)

56 DS680F2
CS42L52
3/1/13
6.16.2 ALCx Zero Cross Disable
Configures an override of the analog zero cross setting.
6.16.3 PGAx Volume
Sets the volume/gain of the Programmable Gain Amplifier (PGA).
Note: The PGAxVOL bits are ignored when the PASSTHRUx bit ( “Passthrough Analog” on page 52 ) is
enabled.
ALCxZCDIS ALC Zero Cross Disable
0 OFF; ALC Attack Rate is dictated by the ANLGZC ( “Ch. x Analog Zero Cross” on page 49 ) setting
1 ON; ALC volume changes take effect at any time, regardless of the ANLGZC setting.
Application: “Automatic Level Control (ALC)” on page 26
PGAxVOL[5:0] Volume
01 1111 12 dB
... ...
01 1000 12 dB
... ...
00 0001 +0.5 dB
00 0000 0 dB
11 1111 -0.5 dB
... ...
10 1000 -6.0 dB
... ...
10 0000 -6.0 dB
Step Size: 0.5 dB