AS3412 datasheet(63/84 Pages) AMSCO

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ams Datasheet

Page 63

[v1-00] 2016-Apr-06

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AS3412 − Register Description

Figure 78:

PBO_MODE Register Description

Name

Address

Default Value

PBO_MODE

0x16

0x00

The PBO_MODE register controls various settings for the chipset in playback only mode like which amplifiers

are enabled as well as which audio inputs are active.

Bit

Bit Name

Default

Access

Bit Description

TEST_BIT_4

Test register. Please do not write this register.

NO_PBO

R/W

This bit disables the playback only mode function. No

external pull up resistor is required on ANC / CSDA pin

is necessary if this bit is set to ‘1’

0: Playback only mode enabled

1: Playback only mode disabled

PBO_LIN_MUTE

R/W

This bit enables the eco mode of the microphone

preamplifier.

0: Power save function disabled

1: Power save function enabled

1PBO_OP1R_ON

R/W

This register enables the right channel of OPAMP 1 in

playback only mode.

0: Right OP2 is switched off

1: Right OP2 is switched on

0PBO_OP1L_ON

R/W

This register enables the left channel of OPAMP 1 in

playback only mode.

0: Left OP2 is switched off

1: Left OP2 is switched on

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