CS42L52-CNZR View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'CS42L52-CNZR' PDF : 82 Pages View PDF
5/13/08
CS42L52
6.15 MICx Amp Control:MIC A (Address 10h) & MIC B (Address 11h)
7
Reserved
6
MICxSEL
5
MICxCFG
4
3
2
1
MICxGAIN4 MICxGAIN3 MICxGAIN2 MICxGAIN1
0
MICxGAIN0
6.15.1 MIC x Select
Selects one of two single-ended MIC inputs on channel x.
MICxSEL
0
1
Application:
MIC x Selection
MIC 1x
MIC 2x
“MIC Inputs” on page 27
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
6.15.3 MICx Gain
Sets the gain of the microphone pre-amplifier.
MICxGAIN[4:0]
1 1111
...
1 0000
0 1111
0 1110
...
0 0000
Step Size:
Application:
Gain
32 dB
...
32 dB
30.5 dB
30 dB
...
16 dB
1 dB (unless otherwise noted)
“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
1
PGAxVOL1
0
PGAxVOL0
6.16.1 ALCx Soft Ramp Disable
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
DS680F1
55
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