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參數(shù)資料
| 型號： | STAC9708 |
| 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)： | 17/56頁 |
| 文件大?。?/td> | 247K |
| 代理商： | STAC9708 |
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SigmaTel, Inc.
Preliminary
STAC9708/11
17
10/02/98
3.1.1.2 Slot 2: Command Data Port
The command data port is used to deliver 16-bit control register write data in the event that
the current command port operation is a write cycle. (as indicated by Slot 1, bit 19)
Bit (19:4) Control Register Write Data (Stuffed with 0's if current operation is a read)
Bit (3 :0) Reserved
(Stuffed with 0's)
If the current command port operation is a read then the entire slot time must be stuffed with
0's by the AC'97 controller.
3.1.1.3 Slot 3: PCM Playback Left Channel
Audio output frame slot 3 is the composite digital audio left playback stream. In a typical
“Games Compatible" PC this slot is composed of standard PCM (.wav) output samples
digitally mixed (on the AC'97 controller or host processor) with music synthesis output
samples. If a sample stream of resolution less than 20-bits is transferred, the AC'97 controller
must stuff all trailing non-valid bit positions within this time slot with 0's.
3.1.1.4 Slot 4: PCM Playback Right Channel
Audio output frame slot 4 is the composite digital audio right playback stream. In a typical
“Games Compatible" PC this slot is composed of standard PCM (.wav) output samples
digitally mixed (on the AC'97 controller or host processor) with music synthesis output
samples. If a sample stream of resolution less than 20-bits is transferred, the AC'97 controller
must stuff all trailing non-valid bit positions within this time slot with 0's.
3.1.1.5 Slot 5: Reserved
Audio output frame slot 5 is reserved for modem operation and is not used by the
STAC9708/11
.
3.1.1.6 Slot 6: PCM Center Channel
Audio output frame slot 6 is the composite digital audio center stream used in a multi-channel
application where the
STAC9708/11
is
programmed to accept the primary DAC PCM data
from slots 6 and 9. As a programming option, PCM data from slots 6 and 9 may be used to
supply data to the surround DACs when slots 7 and 8 are used to drive the primary DACs.
Please refer to the register programming section for details on the multi-channel programming
options.
相關(guān)PDF資料 |
PDF描述 |
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| STAC9708T | Multi-Channel AC97 Codec With Multi-Codec Option |
| STAC9711 | Multi-Channel AC97 Codec With Multi-Codec Option |
| STAC9711T | Multi-Channel AC97 Codec With Multi-Codec Option |
| STC12LE0154 | Silver Mica Capacitor; Capacitance:3000pF; Capacitance Tolerance:+/- 5%; Series:CDV30; Voltage Rating:2500VDC; Capacitor Dielectric Material:Mica; Termination:Radial Leaded; Lead Pitch:11.1mm; Leaded Process Compatible:No RoHS Compliant: No |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STAC9708T | 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 |
| STAC9711 | 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 |
| 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 |
| STAC9721 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Stereo AC 97 Codec With Multi-Codec Option |
| STAC9721AB3 WAF | 制造商:Freescale Semiconductor 功能描述: |
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