Cirrus Logic CRD4610-1 Reference Design page 10

+3.3VD
Y1
ASDOUT
1 2
24.576 MHz
PHONE_IN
C13 C14
AUX_L
AUX_R
22pF 22pF
VIDEO_L
NPO NPO
VIDEO_R
CD_INL
CD_COM
DGND DGND
CD_INR
MIC1
MIC2
LINE_INL
LINE_INR
VREF
C22 C143
C20
1.0uF 1.0uF
0.1uF
Y5V Y5V
Y5V
AGND
10
+5VA
U?
25
AVdd1
38
AVdd2
1
DVdd1
9
DVdd2
2
XTL_IN
3
XTL_OUT
5
SDATA_OUT
10
ASYNC SYNC
11
ARST# RESET#
12
PC_BEEP PC_BEEP
13
PHONE
14
AUX_L
15
AUX_R
16
VIDEO_L
17
VIDEO_R
18
CD_L
19
CD_GND
20
CD_R
21
MIC1
22
MIC2
23
LINE_IN_L
24
LINE_IN_R
27
REFFLT
28
Vrefout
C21 29
AFLT1
0.1uF 30
C24
AFLT2
Y5V
C25
390pF
NPO 390pF
CS4297-KQ
NPO
Place close to pins 9 and 7
+3.3VD
DGND
Figure 3. CS4297
CIRRUS LOGIC ADVANCED PRODUCT DATABOOK
CrystalClear™ AC '97 Motherboard Reference Design
AVss1
AVss2
DVss1
DVss2
SDATA_IN
BIT_CLK
LINE_OUT_L
LINE_OUT_R
MONO_OUT
ALT_LINE_OUT_L
ALT_LINE_OUT_R
NC1
NC2
NC3
NC4
NC5
NC6
NC7
NC8
NC9
NC10
NC11
+3.3VD
If the 10uF capacitor for the
+5V analog regulator is far
from the CS4297 another 10uF
+
C7
ELEC
electrolytic capacitor should
10uF
be connected between pins 25
and 26 of the CS4297.
DGND
+5VA
C9 C10 C11
0.1uF 0.1uF 0.1uF
Y5V Y5V Y5V
AGND
CRD4610-1
26
42
4
7
AGND
DGND
R1 47
8
6
R2 47
35
36
37
C15 C16
680pF 680pF
39
NPO NPO
41
C17
680pF
31
NPO
32
AGND
33
MONO_OUT
34
AGND
40
ALT_LINE_OUTL
43
ALT_LINE_OUTR
44
45
C18 C19
46
680pF 680pF
47
NPO NPO
48
AGND
C12
0.1uF
Y5V
ASDIN
ABITCLK
LINE_OUTL
LINE_OUTR
DS241RD1C1