CS4239 데이터 시트보기 (PDF) - Cirrus Logic

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CS4239

CrystalClear™ Portable ISA Audio System

Cirrus Logic 

Wavetable Enable

C8

CS9236 or 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

MIC

AUX1

(LINE IN)

AUX 2

(CDROM)

Mute X16L Mute X8L

X17R

X9R

Atten. I6L

I7R

Gain I18L

I19R

DAC1

DAC2

Mute I6L

I7R

Mute I18L

I19R

Mute I4L, I5R

Atten.

Σ X27L

X29R

Gain I27L Mute I27L

I29R

I29R

LINE

OUT

ZVPort Enable

X18

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.

ZVPORT

Figure 4. Mixer Block Diagram

MIN UP/DOWN/MUTE

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