W83971D Datasheet, PDF (38/58 Pages) Winbond – AC97 AUDIO CODEC

Preliminary W83971D
PR0=1
PR1=1
PR4=1
Normal
ADC’s off
PR0
DAC’s off
PR1
Digital I/F
off
PR4
Shut off
PR0=0
&
ADC=1
PR1=0
&
DAC=1
Warm Reset
Figure 10.2: Power Down Procedure with Analog Section Still Active
Note: To Power Up the Codec, a Warm Reset or a Cold Reset is required; PR4 is reset to zero upon either reset.
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