CS42438(2006) View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS42438
(Rev.:2006)

108 dB, 192 kHz 6-In, 8-Out TDM CODEC

Cirrus Logic 

7.3 Power Control (Address 02h)

7

6

PDN_ADC3 PDN_ADC2

5

PDN_ADC1

4

PDN_DAC4

3

PDN_DAC3

2

PDN_DAC2

CS42438

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 control

registers are retained in this mode.

42

DS646F1

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