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STAC9752 Datasheet(PDF) 81 Page - Integrated Device Technology

Part # STAC9752
Description  TWO-CHANNEL, 20-BIT, AC??7 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING
PDF  95 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

STAC9752 Datasheet(HTML) 81 Page - Integrated Device Technology

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STAC9752/9753
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING
IDT™
81
STAC9752/9753
REV 3.3 1206
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING
Figure 23. Powerdown/Powerup flow with analog still alive
Figure 23 illustrates a state when all the mixers should work with the static volume settings that are
contained in their associated registers. This configuration can be used when playing a CD (or exter-
nal LINE_IN source) through STAC9752/9753 to the speakers, while most of the system in low
power mode. The procedure for this follows the previous except that the analog mixer is never shut
down.
Warm Reset
Normal
ADCs off PR0
DACs off PR1
Digital I/F off
PR4
Shut off
AC-Link
PR0=0 & ADC=1
PR1=0 & DAC=1
PR0=1
PR1=1
PR4=1



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