STAC9752A Datasheet, PDF (57/106 Pages) Integrated Device Technology – AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK

STAC9752A/9753A
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PC AUDIO
Bit(s) Reset Value
7:5
0
4:0
0
Name
Reserved
GR<4:0>
Description
Bit not used, should read back 0
Right video Volume Control
00000 = 12dB gain
00001 = 10.5dB gain
.....
01000 = 0dB gain
.....
11111 = -34.5dB gain
7.1.11.
Aux Volume (Index 16h)
Default: 8808h.
D15
Mute
D7
D14
D13
Reserved
D6
D5
Reserved
Bit(s) Reset Value
Name
15
1
Mute
14:13
0
Reserved
12:8
0
GL<4:0>
7:5
0
Reserved
4:0
0
GR<4:0>
D12
GL4
D4
GR4
D11
GL3
D3
GR3
D10
GL2
D2
GR2
Description
0 = no mute
1 = mute aux
Bit not used, should read back 0
Left Aux Volume Control
00000 = 12dB gain
00001 = 10.5dB gain
.....
01000 = 0dB gain
.....
11111 = -34.5dB gain
Bit not used, should read back 0
Right Aux Volume Control
00000 = 12dB gain
00001 = 10.5dB gain
.....
01000 = 0dB gain
.....
11111 = -34.5dB gain
D9
GL1
D1
GR1
7.1.12.
PCMOut Volume (Index 18h)
Default: 8808h.
D15
Mute
D7
D14
D13
Reserved
D6
D5
Reserved
D12
GL4
D4
GR4
D11
GL3
D3
GR3
D10
GL2
D2
GR2
D9
GL1
D1
GR1
D8
GR0
D0
GR0
D8
GR0
D0
GR0
IDT™
57
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
STAC9752A/9753A
V 1.5 1206