CS42L52 Datasheet, PDF (55/82 Pages) Cirrus Logic – Low Power, Stereo CODEC w/Headphone & Speaker Amps

6.15.2 MICx Configuration
Configures the input topology for MICx.
MICxCFG
0
1
Application:
MIC Input Topology
Single-Ended
Differential
“MIC Inputs” on page 27
CS42L52
6.15.3 MICx Gain
Sets the gain of the microphone pre-amplifier.
MICxGAIN[4:0]
11111
...
10000
...
00000
Step Size:
Application:
Gain
32 dB
...
32 dB
...
16 dB
1 dB
“MIC Inputs” on page 27
6.16 PGAx Vol. & ALCx Transition Ctl.:
ALC, PGA A (Address 12h) & ALC, PGA B (Address 13h)
7
6
5
4
3
2
ALCxSRDIS ALCxZCDIS PGAxVOL5 PGAxVOL4 PGAxVOL3 PGAxVOL2
6.16.1 ALCx Soft Ramp Disable
1
PGAxVOL1
0
PGAxVOL0
Configures an override of the analog soft ramp setting.
ALCxSRDIS
0
1
Application:
ALC Soft Ramp Disable
OFF; ALC Attack Rate is dictated by the ANLGSFT (“Ch. x Analog Soft Ramp” on page 49) setting
ON; ALC volume changes take effect in one step, regardless of the ANLGSFT setting.
“Automatic Level Control (ALC)” on page 27
6.16.2 ALCx Zero Cross Disable
Configures an override of the analog zero cross setting.
ALCxZCDIS
0
1
Application:
ALC Zero Cross Disable
OFF; ALC Attack Rate is dictated by the ANLGZC (“Ch. x Analog Zero Cross” on page 49) setting
ON; ALC volume changes take effect at any time, regardless of the ANLGZC setting.
“Automatic Level Control (ALC)” on page 27
DS680A1
55