identify Sigmatel chips

Sigmatel

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STAC9708
STAC9708T
 
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STAC9721
STAC9721T
 
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STAC9767
STAC9767T
 
   
         
audio AC97
STAC9700 CODEC stereo
STAC9701 AC'97 CODEC
STAC9704 AC'97 CODEC 18bit 5V
STAC9705 AC'97 CODEC audio/modem
STAC9707 AC'97 CODEC 18bit 3.3V
STAC9708 AC'97 CODEC 18-bit 4-channel stereo
STAC9721 AC'97 rev 2.1 CODEC 4-channel stereo 102dB 5V
STAC9723 AC'97 rev 2.1 CODEC 4-channel stereo 102dB 3.3V
STAC9744 CODEC stereo 103dB 5V
STAC9745 CODEC stereo 103dB 3.3V
STAC9767
STAC9783S AC'97 CODEC stereo 18bit 90dB AC-link 3.3V
STAC9784S AC'97 CODEC stereo 18bit 90dB AC-link 5V