cs4237b Cirrus Logic, Inc., cs4237b Datasheet - Page 50

• Manufacturer Part Number: cs4237b
• Description: Crystalclear Advanced Audio System With 3d Sound
• Manufacturer: Cirrus Logic, Inc.

SRC
SRC
* I18/I19 can be remapped to control
X6/X7 and X16/X17. If remapping is
enabled, X0/X1 control LINE inputs
Atten. X8L
Atten. I6L
Mute I6L
Mute X8L
DSP Audio Data Serial Port
I7R
DSP SERIAL PORT
X9R
X9R
I7R
FM Synthesizer enable
Loopback enable I13
Loopback Atten.
I13L & (R)
X10 Stereo Enable
X10R
Atten. X6L
Mute X6L
*
* X7R
X7R
Digital Mixer
X4
DSP
Figure 4. MODE 3 Mixer (assumes IFM or WTEN is set)
WAVETABLE SERIAL PORT
Gain X16L
Mute X16L
* X17R
* X17R
Wavetable Serial Port
16-bit
16 bit
NOTE: The symbol
shows the active bit(s) for the
register function specified
A/D
D/A
Master Digital
Gain I0L
Gain X14L
Volume
Mute X14L
I1R
X15R
C8
X11L
X11R
Analog Input
X15R
Mute
Mixer
20dB X2L
Gain X3R
Mute I26L
Atten. I26
Analog
Atten.
Output
Mixer
MIN
X4L
X5R
X4R
Mute X2L, X3R
Mute I18L, I19R
*
Mute I18L, I19R
*
UP/DOWN/MUTE
Mute I4L, I5R
Mute X2L, X3R
Mute I2L, I3R
Mute I2L, I3R
Mute I2L, I3R
Mute I4L, I5R
Mute I18L, I19R
*
Master
Volume
Mono Bypass
Mute I26
Atten.
-9db
I26L
X5R
Gain X2L
Gain I2L
Gain I4L
Gain I18L
Loopback
Output
I0L, I1R
* I19R
Mute
X3R
I3R
I5R
MIC
AUX1
(LINE IN)
AUX 2
(CDROM)
LINE
(Syn.)
LINE
OUT
MONO
OUT