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參數(shù)資料
| 型號(hào)： | STAC9711 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | Codec |
| 英文描述： | Multi-Channel AC97 Codec With Multi-Codec Option |
| 中文描述： | 多聲道AC97編解碼器與多編解碼器方案 |
| 文件頁數(shù)： | 23/56頁 |
| 文件大?。?/td> | 247K |
| 代理商： | STAC9711 |
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SigmaTel, Inc.
Preliminary
STAC9708/11
23
10/02/98
Warm Reset
- a warm reset will re-activate the AC-Link without altering the current
STAC9708/11
register values. A warm reset is signaled by driving SYNC high for a minimum of 1us in the absence of
BIT_CLK.
Note: Within normal audio frames, SYNC is a synchronous input. However, in the absence
of BIT_CLK, SYNC is treated as an asynchronous input used in the generation of a warm
reset to the
STAC9708/11
.
4. STAC9708/11 MIXER
The
STAC9708/11
mixer is designed to the AC'97 specification to manage the playback and record of all digital
and analog audio sources in the PC environment. These include:
System Audio
: digital PCM input and output for business, games and multimedia
CD/DVD
: analog CD/DVD-ROM Redbook audio with internal connections to Codec mixer
Mono microphone
: choice of desktop mic, with programmable boost and gain
Speakerphone
: use of system mic and speakers for telephone, DSVD, and video conferencing
Video
: TV tuner or video capture card with internal connections to Codec mixer
AUX/synth
: analog FM or wavetable synthesizer, or other internal source
Figure 11
.
STAC9708/11
Mixer Functional Diagram
-6 dB
Σ
-6 dB
vol
vol
vol
mute
mute
mute
PCM out
D/A
PC_BEEP
Phone
MIC1
MIC2
LINE IN
CD
Video
AUX
LINE OUT
Analog Audio
Sources
MONO OUT
PCM IN
20dB
Master
Volume
Mono
Volume
A/D
A/D
Master
Input
Volume
Σ
Σ
M
U
X
M
U
X
vol
vol
vol
vol
vol
mute
mute
mute
mute
mute
KEY
Mono Analog
Stereo Analog
Digital
DAC OUT
vol
mute
PCM out
Surround
D/A
DAC
Volume
3D
3D
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相關(guān)代理商/技術(shù)參數(shù) |
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| STAC9711T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Multi-Channel AC97 Codec With Multi-Codec Option |
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| STAC9721T-AB3 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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