CS42438-DMZR View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS42438-DMZR

108 dB, 192 kHz 6-in, 8-out TDM CODEC

Cirrus Logic 

7.3 POWER CONTROL (ADDRESS 02H)

7

PDN_ADC3

6

PDN_ADC2

5

PDN_ADC1

4

PDN_DAC4

3

PDN_DAC3

2

PDN_DAC2

1

PDN_DAC1

0

PDN

7.3.1 POWER DOWN ADC PAIRS(PDN_ADCX)

Default = 0

0 - Disable

1 - Enable

Function:

When enabled, the respective ADC channel pair (ADC1 - AIN1/AIN2; ADC2 - AIN3/AIN4; and ADC3

- AIN5/AIN6) will remain in a reset state.

7.3.2 POWER DOWN DAC PAIRS (PDN_DACX)

Default = 0

0 - Disable

1 - Enable

Function:

When enabled, the respective DAC channel pair (DAC1 - AOUT1/AOUT2; DAC2 - AOUT3/AOUT4;

DAC3 - AOUT5/AOUT6; and DAC4 - AOUT7/AOUT8) will remain in a reset state. It is advised that

any change of these bits be made while the DACs are muted or the power down bit (PDN) is enabled

to eliminate the possibility of audible artifacts.

7.3.3 POWER DOWN (PDN)

Default = 0

0 - Disable

1 - Enable

Function:

The entire device will enter a low-power state when this function is enabled. The contents of the con-

trol registers are retained in this mode.

DS646PP2

43

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