STAC9752A datasheet(55/106 Pages) IDT

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STAC9752A/9753A

AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK

PC AUDIO

IDT™

STAC9752A/9753A

V 1.5 1206

AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK

7.1.8.

LineIn Volume (Index 10h)

Default: 8808h.

BOOSTEN

Works with MICGAINVAL (Register 6Eh Bit D2)

BOOSTEN

MICGAINVAL

Mic Gain Boost

0 dB

10 dB

20 dB

30 dB

Reserved

4:0

GN<4:0>

Phone Volume Control

00000 =

12dB gain

00001 = 10.5dB gain

.....

01000 =

0dB gain

.....

11111 = -34.5dB gain

D15

D14

D13

D12

D11

D10

Mute

Reserved

GL4

GL3

GL2

GL1

GR0

Reserved

GR4

GR3

GR2

GR1

GR0

Bit(s)

Reset Value

Name

Description

Mute

0 = no mute

1 = mute linein

14:13

Reserved

Bit not used, should read back 0

12:8

GL<4:0>

Left LineIn Volume Control

00000 =

12dB gain

00001 = 10.5dB gain

.....

01000 =

0dB gain

.....

11111 = -34.5dB gain

7:5

Reserved

Bit not used, should read back 0

4:0

GR<4:0>

Right LineIn Volume Control

00000 =

12dB gain

00001 = 10.5dB gain

.....

01000 =

0dB gain

.....

11111 = -34.5dB gain

Bit(s)

Reset Value

Name

Description

STAC9752A Datasheet(PDF) 55 Page - Integrated Device Technology

STAC9752A Datasheet(HTML) 55 Page - Integrated Device Technology

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