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參數(shù)資料
| 型號(hào)： | QS7779 |
| 文件頁(yè)數(shù)： | 5/7頁(yè) |
| 文件大小： | 574K |
| 代理商： | QS7779 |
Ref: QS7779R12.DOC
Rev: 1.02
QS7779 Data Sheet -- Preliminary
QSound Labs, Inc.
Date: 03/02/01
Page 5 of 7
QS7779CM/QS7779PM
QSurround Matrix Surround Decoder/Virtualizer
Device Specifications - Preliminary Information
Serial Interface:
Serial interface with 3 control pins (for QS7779PM)
Serial interface with I
2
C (for QS7779CM)
I2C address is
{
AD7-AD0
}
=
{
10110110
}
Operating Mode:
This chip can be set to desired operating mode by control pins for the parallel interface (P/S pin sets to 1) or control
bits for the serial interface (P/S pin sets to 0). The control pins or bits configurations are shown in the following table.
Control Pins/Bits
SPRD
X
0
1
X
X
BYP
1
0
0
X
X
MUTE
0
0
0
1
X
PSAVE
0
0
0
0
1
Description
Bypass mode.
Stereo enhanced and virtual surround mode with lower enhanced level
Stereo enhanced and virtual surround mode with higher enhanced level
Mute mode. No signal at output pins.
Power save mode. This function is available with serial interface only
NOTE-1) X: don’t care
NOTE-2) PSAVE is not available with the parallel interface.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| QS7779CM | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:3D Stereo Enhancement and 3D Virtual Stereo Surround with Dolby Pro Logic and Mixed DVD (AC-3) Decoder |
| QS7779PM | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:3D Stereo Enhancement and 3D Virtual Stereo Surround with Dolby Pro Logic and Mixed DVD (AC-3) Decoder |
| QS7785 | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:3D 2/4-Channel Stereo Surround Synthesizer |
| QS7785CF | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:3D 2/4-Channel Stereo Surround Synthesizer |
| QS7785P/C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:3D 2/4-Channel Stereo Surround Synthesizer |
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