CS53L32A datasheet(18/40 Pages) CIRRUS

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CS53L32A

DS513F1

4.1

GAIN ENABLE

I/O and Power Control Register (address 01h)

Access:

R/W in Two Wire Mode and write only in SPI.

Default:

0 - Disabled

Function:

Applies a 20 dB digital gain to the input signal, regardless of the input path.

4.2

ANALOG INPUT MULTIPLEXER

I/O and Power Control Register (address 01h)

Access:

R/W in Two Wire Mode and write only in SPI.

Default:

0 - AIN_L1/AIN_R1 direct to A/D

Function:

The analog input multiplexer selects the input channel as well as the input path associated with vari-

ous gain stages.

76543

210

RESERVED

BOOST

AINMUX1

AINMUX0

RESERVED

PDN

CP_EN

76543

210

RESERVED

BOOST

AINMUX1

AINMUX0

RESERVED

PDN

CP_EN

AINMUX

MODE

AIN_L1/AIN_R1 direct to A/D

AIN_L2/AIN_R2 direct to A/D

AIN_L2/AIN_R2 through PGA to A/D

Reserved

Table 1. Analog Input Options

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