
CDB4228A
DS511DB1 25
U
EM0/nC9
nC9/nC15
EM1/nC8C/SBF
nC7/nC3
nPRO
nC1/FC0
EM1/nC8
EM0/nC9
SCLK
LRCLK
nMRE SET
MCL K
M0
M2
M1
C/SBF
V
U
nC6/nC2
nC9/nC15
TRNPT/FC1
V
nPRO
TRNPT/FC1
nC6/nC2
nC1/FC0
nC7/nC3
GND
VCC
GND
VCC
GND
VCC
GND
GND
GND
GND
VCC
TP35
TP36
J7
PHONO JACK RA
1
2
C18
47nf
TP28
C16
47nf
T1
67129600
1 6
3 4
5 2
U4
CS8404A-CS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
C7/C3
PRO
C1/FC0
C6/C2
MCK
SCK
FSYNC
SDATA
V
C/SBF
U
C9/C15
EM1/C8
EM0/C9
CBL/SBC
RST
TXN
GND
VD+
TXP
M0
M1
M2
TRNPT/FC1
TP30
TP41
TP32
U5
TO TX173
5
6
1
2
4
3
CASE1
CASE2
GND
R
IN
VCC
R8
8.25k
C17
47nf
C15
47nf
TP34
RP2
10k RPACK9
2
3
4
5
6
1
7
8
9
10
TP29
TP37
R9
374
1%
TP40
R10
93.1
1%
RP1
10k RPACK9
2
3
4
5
6
1
7
8
9
10
TP31
TP39
TP33
TP38
RESET n
SDIN
SCLK
LRCLK
MCL K
M[2..0]
TX_C
TX_U
TX_C BL
Figure 17. CS8404 Digital Audio Transmitter
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