CS4235 Datasheet, PDF (46/94 Pages) Cirrus Logic – CrystalClear Low Cost ISA Audio System

CS9236 SERIAL PORT
Wavetable Enable
C8
Mute X16L Mute X8L
X17R
X9R
CS4610 SERIAL PORT
DSP Port Enable
I16
Mute X2L, X3R
20dB Gain
X2
Gain
X2
Analog Input
Mixer
Atten.
ADC1
Σ X4L
X5R
* Mute I2L, I3R
Mute I4L, I5R
* Gain I2L
I3R
Gain I4L
I5R
DSPD1 Enable
X18
Loop Enable
X18
Mute I18L
I19R
Mute
X11L
X11R
Mute X2L, X3R
* Mute I2L, I3R
Loopback
Enable
I0L, I1R
Atten. I6L
I7R
DAC1
Mute I6L
I7R
Mute I4L, I5R
Gain I18L
I19R
DAC2
Mute I18L
I19R
Atten.
Σ X27L
X29R
Gain I27L Mute I27L
I29R
I29R
MIC
AUX1
(LINE IN)
AUX 2
(CDROM)
LINE
OUT
Σ
Mute X6L
X7R
FM Syn. Enable
X4
Analog Output
Mixer
Mute I26L
X4R
Atten. I26
* I2/I3 can be
remapped to be
controlled through
I18/I19.
MIN
Figure 4. Mixer Block Diagram
UP/DOWN/MUTE