W83971D Datasheet, PDF (25/58 Pages) Winbond – AC97 AUDIO CODEC

Preliminary W83971D
7. MULTIPLE CODEC EXTENSION
One primary and a maximum of three secondary codecs may be supported as an option.
7.1 Multiple Codec Mode Select
ID0
NC
pull down
NC
pull down
ID1
NC
NC
pull down
pull down
Codec Mode
Primary Codec
Secondary Codec 1
Secondary Codec 2
Secondary Codec 3
Note: Digital Controller supports four DATA_IN pins to support one primary and three secondary codecs. BIT_CLK is an output
for the primary codec and an input pin for the controller and secondary codecs.
- 23 -
Publication Release Date: July 1999
Revision A1