STAC9750XXTAEC1X IDT, Integrated Device Technology Inc, STAC9750XXTAEC1X Datasheet - Page 32

• Manufacturer Part Number: STAC9750XXTAEC1X
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of STAC9750XXTAEC1X

• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 3.135V
• Single Supply Voltage (max): 3.465/5.25V
• Package Type: TQFP
• Lead Free Status / RoHS Status: Compliant

IDT™
VALUE-LINE TWO-CHANNEL AC’97 CODECS
STAC9750/9751
VALUE-LINE TWO-CHANNEL AC’97 CODECS
PC_BEEP
PHONE
MIC1
MIC2
LINE_IN
CD
VIDEO
AUX
PCM out
HP_OUT
LINE_OUT
MONO_OUT
PCM in
SPDIF
PCMOut
Destination
Source
28h: D5-D4
Select
ADCRecord
Slot
Sources
Analog
Figure 18. STAC9751 2-Channel Mixer Functional Diagram
Audio
MIC1
MIC2
2Ah:D5-D4
PC_BEEP
Phone
LINEIN
CD
AUX
VIDEO
Select
Slot
20h:D8
DAC
-6dB
-6dB
PC BEEP pass through to LINE_OUT
MONO input
Desktop microphone
Second microphone
External audio source
Audio from CD-ROM
Audio from TV tuner or video camera
Upgrade synth or other external source
Digital audio output from AC'97 Controller
Stereo mix of all sources
Stereo mix of all sources
Microphone or MONO Analog mixer output
Digital data from the CODEC to the AC'97 Controller
SPDIF digital audio output
0Eh:D6
6E:D2
30 dB
20 or
-6dB
6Ah:D1
-6dB
0Ah
0Ch
0Eh
10h
12h
16h
14h
18h
vol
PCM to
SPDIF
vol
vol
vol
vol
vol
vol
vol
mute
32
mute
mute
mute
mute
mute
mute
mute
Function
Function
SPDIF
AllRecord
AllAnalog
Σ
vs
-6dB
MUX
Σ
6Eh:D12
Σ
KEY
STAC9750/9751
20h:D15
MonoAnalog
StereoAnalog
Digital
1Ah
-6dB
Σ
3D
20h:D9
From PC_BEEP output
From telephony subsystem
From microphone jack
From second microphone jack
From line-in jack
Cable from CD-ROM
Cable from TV or VidCap card
Internal connector
AC-Link
To headphone out jack
To output jack
To telephony subsystem
AC-Link
To SPDIF output connector
1Ch
Volume
Record
Headphone
04h
02h
06h
Volume
Volume
Volume
Master
Mono
Ganged3DControl
+6dB
Connection
Connection
ADC
3D
3D
22h:D2-D3
20h:D13
Select
Slot
MONO_OUT
PC AUDIO
HP_OUT
LINE_OUT
V 5.8 103106
PCMIn