W83971D Datasheet, PDF (7/58 Pages) Winbond – AC97 AUDIO CODEC

3. FUNCTIONAL BLOCK DIAGRAM
Preliminary W83971D
PC_BEEP
PHONE
LINE
CD
VIDEO
AUX
MIC1
MIC2
SYNC
BIT_CLK
SDATA_OUT
SDATA_IN
RESET#
XTL_IN
XTL_OUT
PCM OUT
M
VOL
U
X
+20dB
AC'97
Digital
Interface
DAC
VOL
VOL
VOL
VOL
VOL
VOL
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
OSC _OSC
∑
MASTER
VOLUME
∑ ^{33DD ∑}
∑
M
U
X
MONO
VOLUME
∑
M
U
MASTER
INPUT
ADC
X VOLUME
PCM IN
LINE_OUT
MONO_OUT
Figure 3.1: W83971D Functional Block Diagram
Publication Release Date: July 1999
-5-
Revision A1