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AS3421 AS3422

Datasheet - R e g i s t e r D e s c r i p t i o n

LIN_ON

0: switches line input stage off

1: switches line input stage on

0: line input stage not powered

1: normal operation

MICS_CP_ON

0: switches microphone supply charge pump off

1: switches microphone supply charge pump on

0: microphone supply charge pump not powered

1: normal operation

MICS_ON

0: switches microphone supply off

1: switches microphone supply on

0: microphone supply not enabled

1: normal operation

Table 22. PWR_SET Register

Name

Base

Default

PWR_SET

2-wire serial

0x11 1111b (stand alone mode)

0x00 0000b (I2C mode)

Offset: 21h

Power Setting Register

Please be aware that writing to this register will enable/disable the corresponding blocks,

while reading gets the actual status. It is not possible to read back e.g ILED settings. This

Bit

Bit Name

Default

Access

Bit Description

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