CS4298 데이터 시트보기 (PDF) - Cirrus Logic

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CS4298

SoundFusion® Audio/Modem Codec ’97(AMC’97)

Cirrus Logic 

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

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