AS3421 datasheet(34/61 Pages) AMSCO

No. de pieza	AS3421

Descripción Electrónicos	Low Power Ambient Noise-Cancel l ing Speaker Dr iver

PDF	61 Pages

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Fabricante Electrónico	AMSCO [ams AG]

Página de inicio	http://www.ams.com

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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

AS3421 Datasheet(PDF) 34 Page - ams AG