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STAC9752A Datasheet(PDF) 53 Page - Integrated Device Technology

Part # STAC9752A
Description  AC??7 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PDF  106 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

STAC9752A Datasheet(HTML) 53 Page - Integrated Device Technology

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STAC9752A/9753A
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PC AUDIO
IDT™
53
STAC9752A/9753A
V 1.5 1206
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
7.1.4.
Master Volume MONO (06h)
Default: 8000h
7.1.5.
PC BEEP Volume (0Ah)
Default: 0000h
Additional information on the PC Beep can be found in Section 6.3: page48.
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
D15
D14
D13
D12
D11
D10
D9
D8
Mute
Reserved
F7
F6
F5
F4
F3
D7
D6
D5
D4
D3
D2
D1
D0
F2
F1
F0
PV3
PV2
PV1
PV0
RSRVD
Bit(s)
Reset Value
Name
Description
15
1
Mute
0 = No mute
1 = Mute PC BEEP
14:13
0
Reserved
Bit not used, should read back 0
Bit(s)
Reset Value
Name
Description



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