W681513_05 Datasheet, PDF (29/35 Pages) Winbond – 5V SINGLE-CHANNEL VOICEBAND CODEC FOR USB APPLICATIONS

W681513
11. TYPICAL APPLICATION CIRCUITS
VCC
1.5K
1.0uF
22uF
3.9K
1.5K
select
MICROPHONE
3.9K
1.0uF
3K
SPEAKER
1K
330pF
62K
62K
330pF
20K
U1
17 _AO
18 _AI-
19
AI+
20
1
VAG
RO+
2 _RO+
3 _PAI
4
PAO-
5 _PAO+
W681513
0.01uF
0.1uF
FST
BCLKT
14
12
13
PCMT
MCLK ¹¹
PCMR
8
9
BCLKR
FSR
7
16
u/A
PUI
10
8KHz SY NC INPUT
PCM OUTPUT
2.000 MHz CLOCK IN
PCM INPUT
PCM MODE CONTROL
POWER CONTROL
Figure 11.1 A USB VoIP Phone application
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Publication Release Date: October, 2005
Revision A11