STAC9250 Datasheet, PDF (21/137 Pages) Integrated Device Technology – TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES

STAC9250/9251
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
PC AUDIO
5.2. Widget Diagram - STAC9251
Figure 4. STAC9251 Widget Diagram
SD0 Pin 5
Bit CLK Pin 6
SDI Pin 8
SYNC Pin 10
Reset # Pin 11
4h
Stereo Input
SPDIF IN
3h
Stereo
ADC Input
2h
Stereo
DAC Output
5h
Stereo
SPDIF Output
Digital
Analog
7h
SPDIF In
Pin
SPDIF In
14h
Actual
Pin
47
1
ADC In
Mux
0
LR Swap
2
6h
0
DAC
1
LR Swap
1
8h
SPDIF Out
0
Pin
0 to +22.5
9h
0, 10, 20, 30,
40dB Amp
ADC Vol
Mux
Fh
3
2
1
0
4
Eh
Mixer
Master
V olum e
Analog PC Beep
Pin 12
0 to -46.5
SPDIFOut
Actual
Pin
48
Pin 13: Sense A
Pin 27: VREF In
Pin 28: VREF Out (switchable Mic Bias)
Pin 32: CAP 2
Pin 33: GPIO0
Pin 34: GPIO1
Pin 45: GPIO2
Pin 47: GPIO3
13h
Digital PC Beep
12h
Mono
Mix
15h
Pin
DIG MIC
HP: 0
Ah
Pin
HP Out, LineOut,
LineIn, MIC
HP: 0
Dh
Pin
HP Out, LineOut,
LineIn, MIC
DIG MIC
Actual Pins
?
Port A
HP Out
Universal Jack^TM
Actual Pins
39/41
Port D
Line Out
Universal Jack^TM
Actual Pins
35/36
Ch
Pin
LineOut, LineIn,
M IC
Port C
Line In
Universal Jack^TM
Actual Pins
23/24
Bh
Pin
LineOut, LineIn,
MIC
Port B
M IC
Universal Jack^TM
Actual Pins
21/22
10h
Pin
MONO Out
MONO Out
A c tu al
P in
37
Pin
CD In
11h
CD
Actual Pins
18/20
IDT™
21
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
V 1.1 102706