Datasheet

ManualsBrandsANALOG DEVICES ManualsLinear ICsADAU1761BCPZ-R7

ADAU1761

Rev. C | Page 74 of 92

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 66. 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 95 for a complete list of the volume settings.

Setting Volume

000000 −57 dB (default)

… …

111001

0 dB

…

111111

6 dB

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

0 = mute.

1 = unmute (default).

0 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 67. 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 95 for a complete list of the volume

settings.