UX-B20U/UX-B20C/B25C
6 – 7
7. Analog Signal Block (7/8)
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
6
6
5
5
4
4
3
3
2
2
1
1
SI
G
T
X
D
T
MF
MUTE
CN
TXOUT
LIU
-9
RCV
O
L
SIGR
X
W-
T
O
N
E
SPOUT
BZO
U
T
1
VOLA
VOLC
VOLB
MICIN
CNSP-2
C
N
SP-1
SPMUTE
SIGM
UT
E
C
(3-5H)
D
CRST
FSYNC
(3-6H)
(3-6H) (3-5H)
(3-5H)
(3-4H) (3-4H)
MCLK
DATAI
CTRLSIN
ICLK
DATAO
CNM
MIC+
MIC-
IC
-1
(8-2D)
(8-2D)
CNM
IC
-2
CNL
IU
-1
3
CN
L
IU
-6
CML
CNLIU-8
+3.3
V
+3.3
V
+3.3V
+5V
+3.3V
+3.3V
+3.3V
+5V
ADG
ADG
ADG
ADG
ADG
A
DG
ADG
ADG
ADG
ADG
ADG
ADG
ADG
ADG
ADG
ADG
ADG
A
DG
ADG
ADG
A
DG
ADG
ADG
ADG
ADG
VR
E
F
VR
E
F
VR
E
F
+24V
ADG
+3.3V
ADG
ADG
+24V
ADG
ADG
VR
E
F
ADG
ADG
ADG
ADG
ADG
ADG
ADG
ADG
ADG
+5V
DG
DG
+24V
C2
90
1u/10V
R1
41
R1
1
1k
C4
2
0
R1
6
3.
3
k
R2
08
Q102
R
T
1
N
141C
B
C
E
R2
39
R2
32
39K
C2
89
0
L101
R1
3
39k
R2
28
2
20
k
C2
92
220p
C1
36
4700p
F
C29
5
R21
0
7.5
K
TP
20
3
C3
44
10u/10 (2012)
V
R19
1
R1
47
C2
49
+
Ð
IC12C
LM2902NSR
10
9
8
4
11
C15
8
Q100
B
C
E
R2
1
TP
20
4
C1
99
R1
36
100K
C3
42
N.M.
N.M.
N.M.
SP+
SP-
R1
39
18K
R2
0
C2
00
C1
38
0.01u
F
TP
20
5
R2
38
C2
09
N.M.
N.M.
N.M.
N.M.
N.M.
N.M.
C3
39
N.M.
N.M.
N.M.
N.M.
N.M.
N.M.
C2
50
0.
1u
K
C
2
87
220pF
C16
0
0.
1
u
F
IC11
DVSS
20
DVDD
21
AVSS_TX
16
AVSS_RX
8
AVDD
15
AGND
14
NC6
32
NC1
25
NC2
27
NC3
28
NC4
29
NC5
30
VREF
13
MICINP
10
MICINN
11
LINEIN
9
SPKRON
19
SPKROP
18
LINEO
17
XCLOKO
22
MODE1
23
MODE0
24
TEST
3
SOUT
4
SIN
5
MICBIAS
12
FSYNC
6
ICLK
26
MCLK
31
CTRLSOUT
2
CTRLSIN
1
POR
7
C34
0
C20
3
C24
8
R1
9
0
C2
46
R19
0
C2
08
R1
35
20K
C3
35
N.M.
C3
5
0.1uK
R1
48
C13
9
0.
1
u
F
L107
0
C2
0
C3
6
C2
91
0
C2
07
0.
1
u
F
C2
2
1
0uF
C4
9
0.
1
u
F
R
140
82K
C3
37
2200p
F
R1
2
3
9
k
R2
09
3.9
K
C4
3
N.M.
C24
7
C2
44
R2
41
10k
C4
4
R2
33
C3
2
4
7
uF/25V
1
2
C3
33
C2
1
C4
0
N.M.
C2
93
C15
9
C3
43
R1
42
R2
26
3.
3
k
C2
05
C1
35
1u/10V
R23
0
13k
C3
49
0
R19
4
1M
R1
46
R1
38
1k
R1
92
C1
9
+
Ð
IC12D LM2902NSR
12
13
14
4
11
R1
5
N.M.
N.M.
R1
89
N.M.
N.M.
N.M.
N.M.
N.M.
R1
45
D1
06
1SS355
A
K
C2
94
0
C3
34
R5
C25
1
R1
44
A
C
X0
X1
X2
X3
X4
X5
X6
X7
X
B
VDD
GND VEE
E-
IC2
IC9
16
7
11
10
9
6
3
13
14
15
12
1
5
2
4
8
R6
C25
2
1u/10V
Q106
BC
E
+
Ð
IC12B LM2902NSR
5
6
7
4
11
R9
N.M.
N.M.
N.M.
N.M.
N.M.
D10
5
A
K
C19
8
N.M.
C2
53
0
.1uK
Q101
RT
1
N
14
1C
B
C
E
R13
7
0
C3
38
2200p
F
C2
45
C
3
4
220pF
C1
61
22
0p
F
C33
6
0.
1
u
F
R1
4
1k
C4
1
R2
07
R
1
75
220K
C4
5
2
1
53
4
Q107
B
C
E
C3
9
22u
F
/5
0V
1
2
C2
01
C1
37
0.1uF
C1
62
C2
02
Ð
+
IC6
NJM2113
5
4
3
2
1
7
8
6
R1
43
(3-5B)
(3-2H)
(3-3C)
(3-3H)
(3-3H)
(3-4B)
(3-5B)
(3-5B)
(3-2H)
(1-1F)
(3-1C)
(3-2C)
(3-2C)
(3-5B)
(8-2D)
(8-2D)
RXIN
TELOUT
TELIN
Analog
Signal
Block
7/8