Table of Contents
Advertisement
Chapter 7
SIGMATEL AUDIO DRIVER (OPTIONAL)
Sigmatel 9721 is a general-purpose 18-bit stereo, full duplex, audio codec that
conforms to the analog component specification of AC'97.
7.1.1 Features
High performance 3D technology
Energy saving power down modes
18-bit full duplex stereo ADC, DACs
AC-Link protocol compliance
Multiple power supply options
Pin compatible with the STAC9704/07
SigmaTel Surround (SS3D) Stereo Enhancement
EAPD – External Amplifier Power Down Control
Multi-Codec option (Intel AC'97 rev 2.1
Six analog line-level inputs
48-pin TQFP
SNR > 95 dB through Mixer and DAC
The STAC9723 is tested at +3.3V
7-1
Advertisement
Table of Contents
