STV82X7 datasheet(124/156 Pages) STMICROELECTRONICS

124 / 156 page

STV82x7

124/156

The volume value is defined by the following formula:

Vol (dB) = Decimal value of LS_L_VOLUME_MSB x 0.5 + Decimal value of LS_L_VOLUME_LSB x 0.125 - 116 dB

(each step is 0.125 dB).

LS_R_VOLUME_MSB

LS_R_VOLUME_LSB

Bit Name

Reset

Function

Bits[7:2]

000000

Reserved.

LS_L_VOLUME_

LSB[1:0]

LS 10 bits volume Left channel 2 LSB in independent mode or LS 10 bits volume Left and Right

channels 2 LSB in differential mode.

See Figure 20: Volume Control on page 38 for range values.

Address: DAh

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

LS_R_VOLUME_MSB[7:0]

Bit Name

Reset

Function

LS_R_VOLUME_

MSB[7:0]

0000000

LS 10 bits volume Right channel 8 MSB in independent mode or LS 10 bits Left and Right balance

8 MSB in differential mode.

See Figure 20: Volume Control on page 38 or Figure 21: Differential Balance on page 39.

Address: DBh

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

LS_R_VOLUME_LSB[1:0]

Bit Name

Reset

Function

Bits[7:2]

000000

Reserved.

LS_R_VOLUME_

LSB[1:0]

LS 10 bits volume Right channel 2 LSB in independent mode or LS 10 bits Left and Right balance

2 LSB in differential mode.

See Figure 20: Volume Control on page 38 or Figure 21: Differential Balance on page 39.

STV82X7 Datasheet(PDF) 124 Page - STMicroelectronics

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