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STAC9766 Datasheet(PDF) 49 Page - Integrated Device Technology

Part # STAC9766
Description  TWO-CHANNEL, 20-BIT, AC??7 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
PDF  97 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

STAC9766 Datasheet(HTML) 49 Page - Integrated Device Technology

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STAC9766/9767
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
PC AUDIO
IDT™
49
STAC9766/9767
V 7.4 12/06
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
8.1.4.
Master Volume MONO (06h)
Default: 8000h
12:8
0
ML<4:0>
Left Headphone Volume Control
00000 =
0dB attenuation
00001 = 1.5dB attenuation
.....
11111 = 46.5dB attenuation
7:6
0
RESERVED
Bits not used, should read back 0
5
0
MR5
0 = Headphone attenuation is a function of bits 4-0
1 = forces register bits 4-0 to be 11111
Always reads back 0
4:0
0
MR<4:0>
Right Channel Headphone Volume Control
00000 =
0dB attenuation
00001 = 1.5dB attenuation
.....
11111 = 46.5dB attenuation
D15
D14
D13
D12
D11
D10
D9
D8
Mute
RESERVED
D7
D6
D5
D4
D3
D2
D1
D0
RESERVED
MM5
MM4
MM3
MM2
MM1
MM0
Bit(s)
Reset Value
Name
Description
15
1
Mute
0 = No mute
1 = Mute mono
14:6
0
RESERVED
Bit not used, should read back 0
5
0
MM5
0 = Mono attenuation is a function of bits 4-0
1 = Forces register bits 4-0 to be 11111
Always reads back 0
4:0
0
MM<4:0>
Mono Volume Control
00000 =
0dB attenuation
00001 = 1.5dB attenuation
.....
11111 = 46.5dB attenuation
Bit(s)
Reset Value
Name
Description



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