CS4298 Datasheet, PDF (15/52 Pages) Cirrus Logic – SoundFusion Audio/Modem Codec 97 (AMC 97)

CS4298
MIC1
MIC2
LINE
CD
VIDEO
AUX
SDATA_OUT
RESET#
SYNC
Mode Control
MRX+
MRX-
HRX+
HRX-
MAIN D/A
CONVERTERS
PCM_OUT
MIC SELECT
DAC
+20dB
2
/
2
/
2
/
2
/
VOL
VOL
VOL
VOL
VOL
VOL
VOL
2
/
PCM OUT
PATH
MUTE
MUTE
MUTE
MUTE
MUTE
STEREO
INPUT
MIXER
Σ
MUTE
MUTE
STEREO TO
MONO MIXER
Σ
3D
Σ
STEREO
OUTPUT
MIXER
MASTER VOLUME
VOL
OUTPUT
BUFFER
2
/
ALTERNATE VOLUME
VOL
OUTPUT
BUFFER
2
/
2
/
ADC
INPUT
MUX
MAIN ADC GAIN
VOL
MUTE
ADC
LINE_OUT
ALT_LINE_OUT
3
/
(loopback) MTX+
(loopback) MTX-
Vref
(loopback) HTX+
(loopback) HTX-
Vref
VOL
VOL
VOL
VOL
AC-Link Interface
ADC
ADC
MRX-
DAC
MRX+
HRX+
DAC
HRX-
Figure 8. Mixer Diagram
10
/
-+
Class AB
Dif out
+-
-+
Class AB
Dif out
+-
SDATA_IN
BIT_CLK
GPIO
MTX+
MTX-
HTX+
HTX-
DS315PP2
15