ADAU1961WBCPZ-R7 datasheet(62/73 Pages) AD

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Data Sheet

ADAU1961

CONTROL REGISTERS

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Rev. B | 62 of 73

Table 56. Playback Line Output Left Volume Control Register

Bits

Bit Name

Description

[7:2]

LOUTVOL[5:0]

Line output volume control for left channel, LOUTN and LOUTP outputs. Each 1-bit step corresponds to a 1 dB increase in volume. See

Table 72 for a complete list of the volume settings.

Setting

Volume

000000

−57 dB (default)

…

111001

0 dB

…

111111

6 dB

LOUTM

Line output mute for left channel, LOUTN and LOUTP outputs (active low).

0 = mute.

1 = unmute (default).

LOMODE

Line output mode for left channel, LOUTN and LOUTP outputs. These pins can be configured for either line outputs or headphone outputs.

To drive earpiece speakers, set this bit to 1 (headphone output).

0 = line output (default).

1 = headphone output.

R32: Playback Line Output Right Volume Control, 16,422 (0x4026)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

ROUTVOL[5:0]

ROUTM

ROMODE

Table 57. Playback Line Output Right Volume Control Register

Bits

Bit Name

Description

[7:2]

ROUTVOL[5:0]

Line output volume control for right channel, ROUTN and ROUTP outputs. Each 1-bit step corresponds to a 1 dB increase in volume. See

Table 72 for a complete list of the volume settings.

Setting

Volume

000000

−57 dB (default)

…

111001

0 dB

…

111111

6 dB

ROUTM

Line output mute for right channel, ROUTN and ROUTP outputs (active low).

0 = mute.

1 = unmute (default).

ROMODE

Line output mode for right channel, ROUTN and ROUTP outputs. These pins can be configured for either line outputs or headphone

outputs. To drive earpiece speakers, set this bit to 1 (headphone output).

0 = line output (default).

1 = headphone output.

R33: Playback Mono Output Control, 16,423 (0x4027)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

MONOVOL[5:0]

MONOM

MOMODE

Table 58. Playback Mono Output Control Register

Bits

Bit Name

Description

[7:2]

MONOVOL[5:0]

Mono output volume control. Each 1-bit step corresponds to a 1 dB increase in volume. If MX7[1:0] in Register R28 is set for

common-mode output, volume control is disabled. See Table 72 for a complete list of the volume settings.

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