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AS3418

Datasheet

• PUBLIC

DS000507

• v4-00 • 2020-Jan-23

│ 61

Figure 83:

MON_MIC_RIGHT_GAIN Register Description

Addr: 0x10

MON_MIC_RIGHT_GAIN

Bit

Bit Name

Default

Access

Bit Description

6:0

MON_MIC_RI

GHT_GAIN

101

0111

R/W

Volume settings for right microphone input,

adjustable in 63 steps of 0.5dB for Monitor operation

mode.

000 0000: 0dB

000 0001: 0.5dB gain

000 0010: 1.0dB gain

000 0011: 1.5dB gain

…

011 1110: 31dB gain

011 1111: do not use

101 0111: MUTE (Mute code if NEG_ATT_EN bit

set)

111 1111: MUTE (Mute code if NEG_ATT_EN bit

not set)

7.2.4

PBO Mode Control Registers

Figure 84:

PBO_MODE0 Register Description

Addr: 0x11

PBO_MODE0

Bit

Bit Name

Default

Access

Bit Description

PBO_EN

R/W

This bit disables the Playback Only mode function in

all modes. No external pull up resistor is required on

ANC / CSDA pin if this bit is set to ‘0’.

0: Playback only mode disabled

1: Playback only mode enabled

PBO_LIN_MU

R/W

This bit mutes the line input in Playback Only

operation mode.

0: Line input enabled

1: Line input muted

PBO_OP1L_O

R/W

This register enables the left channel of OPAMP 1 in

playback only mode.

0: Left OP1 is switched off

1: Left OP1 is switched on

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