ADAU1361BCPZ-R7 datasheet(69/80 Pages) AD

69 / 80 page

Data Sheet

ADAU1361

Rev. D | Page 69 of 80

R34: Playback Pop/Click Suppression, 16,424 (0x4028)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reserved

POPMODE

POPLESS

ASLEW[1:0]

Reserved

Table 61. Playback Pop/Click Suppression Register

Bits

Bit Name

Description

POPMODE

Pop suppression circuit power saving mode. The pop suppression circuits charge faster in normal operation;

however, after they are charged, they can be put into low power operation.

0 = normal (default).

1 = low power.

POPLESS

Pop suppression disable. The pop suppression circuits are enabled by default. They can be disabled to save

power; however, disabling the circuits increases the risk of pops and clicks.

0 = enabled (default).

1 = disabled.

[2:1]

ASLEW[1:0]

Analog volume slew rate for playback volume controls.

Setting

Slew Rate

21.25 ms (default)

42.5 ms

85 ms

Off

R35: Playback Power Management, 16,425 (0x4029)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

HPBIAS[1:0]

DACBIAS[1:0]

PBIAS[1:0]

PREN

PLEN

Table 62. Playback Power Management Register

Bits

Bit Name

Description

[7:6]

HPBIAS[1:0]

Headphone bias control.

Setting

Headphone Bias Control

Normal operation (default)

Extreme power saving

Enhanced performance

Power saving

[5:4]

DACBIAS[1:0]

DAC bias control.

Setting

DAC Bias Control

Normal operation (default)

Extreme power saving

Enhanced performance

Power saving

[3:2]

PBIAS[1:0]

Playback path channel bias control.

Setting

Playback Path Bias Control

Normal operation (default)

Reserved

Enhanced performance

Power saving

PREN

Playback right channel enable.

0 = disabled (default).

1 = enabled.

PLEN

Playback left channel enable.

0 = disabled (default).

1 = enabled.

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