STA310 datasheet(73/90 Pages) STMICROELECTRONICS

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STA310

KAR_VCANCEL

Voice cancellation ON/OFF

Address: 0x85

Type: R/W

Reset value: 0

Description:

KAR_VVALUE

Degree of voice cancellation

Address: 0x86

Type: R/W

Reset value: 0x0

Description:

When the voice cancellation is enabled by the

KAR_VCANCEL register, KAR_VVALUE specifies

the extent of the voice cancellation according to the

following table:

KAR_MMUTE

Music channel mute

Address: 0x87

Type: R/W

Reset value:0

Description:

This register mutes the music channel.

KAR_VCh0VOL

Voice channel 0 (L) volume

Address: 0x88

Type: R/W

Reset value: 0xFF

Description:

This

has

the

same

function

KAR_MCh0VOL for the left voice channel instead of

the left music channel.

KAR_VCh1VOL

Voice channel 1 (R) volume

Address: 0x89

Type: R/W

Reset value: 0xFF

Description:

This

has

the

same

function

KAR_MCh0VOL for the right voice channel instead of

the left music channel.

Key

control

(tone)

1/4 1/2 3/4

1 1.16 1.34 1.58 1.93 2.49 3.5

KEYVAL

(decimal)

10 11 12 13 14

543

Reserved

VCANCEL

Bitfield

Description

VCANCELL

0: voice cancellation off,

1: voice cancellation on

321

Reserved

LEVEL[2:0]

Bitfield

Description

LEVEL[2:0] 0: cut-band filter with 40dB attenuation at

700Hz

1: cut-band filter with 35dB attenuation at

700Hz

2: cut-band filter with 32dB attenuation at

700Hz

3: cut-band filter with 27dB attenuation at

700Hz

4: cut-band filter with 23dB attenuation at

700Hz

321

Reserved

MUTE

Bitfield

Description

MUTE

0: not muted, 1: muted

321

Value

321

Value

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