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STAC9752A Datasheet(PDF) 52 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) 52 Page - Integrated Device Technology

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STAC9752A/9753A
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PC AUDIO
IDT™
52
STAC9752A/9753A
V 1.5 1206
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
7.1.2.
Master Volume Registers (02h)
Default: 8000h
7.1.3.
Headphone Volume Registers (04h)
Default: 8000h
D15
D14
D13
D12
D11
D10
D9
D8
Mute
RSRVD
ML5
ML4
ML3
ML2
ML1
ML0
D7
D6
D5
D4
D3
D2
D1
D0
Reserved
MR5
MR4
MR3
MR2
MR1
MR0
Bit(s)
Reset Value
Name
Description
15
1
Mute
0 = No mute
1 = Mutes both left & right channels
14
0
Reserved
Bit not used, should read back 0
13
0
ML5
0 = Lineout attenuation is a function of bits12-8
1 = Forces register bits 12-8 to be 11111
Always reads back 0
12:8
0
ML<4:0>
Left Lineout 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 = Lineout 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 Lineout Volume Control
00000 =
0dB attenuation
00001 = 1.5dB attenuation
.....
11111 = 46.5dB attenuation
D15
D14
D13
D12
D11
D10
D9
D8
Mute
RSRVD
HPL5
HPL4
HPL3
HPL2
HPL1
HPL0
D7
D6
D5
D4
D3
D2
D1
D0
Reserved
HPR5
HPR4
HPR3
HPR2
HPR1
HPR0
Bit(s)
Reset Value
Name
Description
15
1
Mute
0 = No mute
1 = Mutes both left & right channels
14
0
Reserved
Bit not used, should read back 0
13
0
ML5
0 = Headphone attenuation is a function of bits12-8
1 = Forces register bits 12-8 to be 11111
Always reads back 0
12:8
0
ML<4:0>
Left Headphone Volume Control
00000 =
0dB attenuation
00001 = 1.5dB attenuation
.....
11111 = 46.5dB attenuation



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