CS4237B-JQ 查看數據表（PDF） - Cirrus Logic

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CS4237B-JQ

CrystalClear™ Advanced Audio System with 3D Sound

Cirrus Logic 

DSP SERIAL PORT

DSP Audio Data Serial Port

SRC

Atten. X8L Loopback Atten.

X9R I13L & (R)

X10 Stereo Enable

Mute X8L X10R

X9R Loopback enable I13

Mute I6L

I7R

Digital Mixer

DSP

NOTE: The symbol

shows the active bit(s) for the

register function specified

16-bit

A/D

Analog Input

Mixer

Gain I0L

I1R

Atten.

X4L

X5R

Mute

X11L

X11R

16 bit

D/A

Master Digital

Volume

Gain X14L

X15R

20dB X2L

Gain X3R

Mute X2L, X3R

Mute I2L, I3R

Mute I2L, I3R

Mute I4L, I5R

Mute I18L, I19R

*

Mute I18L, I19R

*

Mute X2L, X3R

Mute I2L, I3R

Mute I4L, I5R

Gain X2L

X3R

Gain I2L

I3R

Gain I4L

I5R

Gain I18L

* I19R

Output

Loopback

I0L, I1R

Atten. I6L

I7R

Mute X6L

* X7R

SRC

Atten. X6L

* X7R

FM Synthesizer enable

X4

Mute X16L

* X17R

Gain X16L

* X17R

Mute X14L

X15R

* I18/I19 can be remapped to control

X6/X7 and X16/X17. If remapping is

enabled, X0/X1 control LINE inputs

Wavetable Serial Port

C8

Analog

Output

Mixer

Mute I26L

X4R

Atten. I26

Mute I18L, I19R

*

Master

Volume

Mute

I26L

X5R

Mono Bypass

Atten.

-9db

Mute I26

WAVETABLE SERIAL PORT

MIN

UP/DOWN/MUTE

Figure 4. MODE 3 Mixer (assumes IFM or WTEN is set)

MIC

AUX1

(LINE IN)

AUX 2

(CDROM)

LINE

(Syn.)

LINE

OUT

MONO

OUT

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