ADAU1361BCPZ-R7 datasheet(62/78 Pages) AD

62 / 78 page

Data Sheet

ADAU1361

CONTROL REGISTERS

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Rev. E | 62 of 78

Table 57. Playback Headphone Right Volume Control Register (Continued)

Bits

Bit Name

Description

…

111001

0 dB

…

111111

6 dB

RHPM

Headphone mute for right channel, RHP output (active low).

0 = mute.

1 = unmute (default).

HPMODE

RHP and LHP output mode. These pins can be configured for either line outputs or headphone outputs.

0 = line output (default).

1 = headphone output.

R31: Playback Line Output Left Volume Control, 16,421 (0x4025)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

LOUTVOL[5:0]

LOUTM

LOMODE

Table 58. 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 74 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 59. 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 74 for a complete list of the volume settings.

Setting

Volume

000000

−57 dB (default)

…

111001

0 dB

…

111111

6 dB

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