STAC9766 Datasheet, PDF (53/97 Pages) Integrated Device Technology – TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING

STAC9766/9767
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
PC AUDIO
8.1.10. Video Volume (Index 14h)
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 video
Bit not used, should read back 0
Left Video Volume Control
00000 = 12dB gain
00001 = 10.5dB gain
.....
01000 = 0dB gain
.....
11111 = -34.5dB gain
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
D9
GL1
D1
GR1
8.1.11. 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>
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
D9
GL1
D1
GR1
D8
GR0
D0
GR0
D8
GR0
D0
GR0
IDT™
53
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
STAC9766/9767
V 7.4 12/06