STAC9704 datasheet(11/49 Pages) HYNIX

Part #	STAC9704

Description	Multimedia Audio Codec for AC97

PDF	49 Pages

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Manufacturer	HYNIX [Hynix Semiconductor]

Direct Link	http://www.skhynix.com/kor/main.do

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SigmaTel, Inc.

STAC9704/7

10/02/98

1.4 Power and Ground Signals

Table 6. Power Signal List STAC9704/7

SIGNAL NAME

TYPE

STAC9704

STAC9707

AVdd1

Analog Vdd = 5.0V

Analog Vdd = 3.3V

AVdd2

Analog Vdd = 5.0V

Analog Vdd = 3.3V

AVss1

Analog Gnd

AVss2

Analog Gnd

DVdd1

Digital Vdd = 5.0V or 3.3V

Digital Vdd = 3.3V

DVdd2

Digital Vdd = 5.0V or 3.3V

Digital Vdd = 3.3V

DVss1

Digital Gnd

DVss2

Digital Gnd

2. AC-LINK

Below is the figure of the AC-link point to point serial interconnect between the STAC9704/7 and its companion

controller.

All digital audio streams and command/status information are communicated over this AC-link.

Please refer to the “Digital Interface” section 3 for details.

Figure 4. STAC9704/7’s AC97-link to its companion controller

SYNC

BIT_CLK

SDATA_OUT

SDATA_IN

RESET

Digital

DC’97

Controller

STAC9704/7

XTAL_IN

XTAL_OUT

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