CS4205_05 Datasheet, PDF (15/81 Pages) Cirrus Logic – CrystalClear® Audio Codec ’97 for Portable Computing

CS4205
PC_BEEP
PHONE
PCM_OUT
MIC1
MIC2
Front D/A
CONVERTERS
MIC
SELECT
DAC
BOOST
LINE
CD
VIDEO
AUX
MUTE
PC BEEP BYPASS
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
ANALOG STEREO
INPUT MIXER
Σ
Σ
ANALOG STEREO
OUTPUT MIXER
DAC DIRECT
MODE
MASTER
VOLUME
MUTE
OUTPUT
BUFFER
MONO MIX
SELECT
STEREO TO
MONO MIXER
Σ
1/2
MONO OUT
SELECT
MONO
VOLUME
MUTE
OUTPUT
BUFFER
LINE OUT
MONO OUT
STEREO TO
Σ
MONO MIXER
1/2
ADC
INPUT
MUX
L/R ADC
GAIN
MUTE
L/R A/D
CONVERTERS
ADC
PCM_IN
MIC ADC
GAIN
MUTE
MIC A/D
CONVERTER
ADC
MIC_PCM_IN
Figure 8. CS4205 Mixer Diagram
DS489PP4
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