Cirrus Logic CDB5451A - Manual (Page 12)

CDB5451A
12 DS458DB3
SD
O
SC
L
K
FS
O
SE
/G
A
I N
/R
E
S
E
T
OW
RS
GN
D
SW
_B
3
W
_1
1
0
0
S1
R3
5
1
0
K
R3
4
1
0
K
D+
D+
470
R1
1
10K R5
4.
7K
R1
4
R8
470
GN
D
GND
.1
U
F
C4
3
GN
D
1Y
4
1Y
3
1Y
2
1Y
1
1A
4
1A
3
1A
2
1A
1
VC
C
1
/
G
20 18 16 14 12 10
8 6 4 2 1
S
N
74H
C
240N
U8
B A CL
K
/C
L
R
GN
D QG QF QE QD QC QB QA
VC
C
14 13 12 11 10
9 8
7 6 5 4 3
2 1
S
N
74H
C
164N
U7
.1
U
F
C4
2Y
4
2Y
3
2Y
2
2Y
1
2A
4
2A
3
2A
2
2A
1
2/
G
17 15 13 11
9 7 5 3
19
U8
S
N
74H
C
240N
D+
GND
CO
G
C4
5
220P
F
QB DA
T A B
QA CD CU QC QD GN
D
VC
C
DA
T A A CL
R
BO
RRO
W
C A RRY LO
A D
DA
T A C
DA
T A D
16 15 14 13 12 11 10 9
8 7 6 5 4 3 2 1
M
M
74H
C
193N
U6
GN
D
D+
FS
O
4.
7K
R1
2
10K R4
GND
SE
4.
7K
R1
5
470
R7
GN
D
GN D
R9
470
SD
O
470
R1
0
SC
L K
D+
GN D
8Q 7Q
8D 7D
GN
D
VC
C 1Q 2Q 3Q 4Q 5Q 6Q
6D 5D 4D 3D 2D 1D CL
K
/O
C
2 5 6 9 12 15 16 19 20 10
18 17 14 13 8 7 4 3 11 1
S
N
74H
C
374N
U3
4.
7K
R1
3
10K R1
D+
D+
C4
4
.1
U
F
2 1
O PE N
SW
_D
I P
_2
SW
1
R1 6 10K
GN
D
D+
10K R33
/G
A
I
N
OW
RS
.1
U
F
C3
.1
U
F
C4
6
20K
R3
6
GN
D
/R
E
S
E
T
D+
GN
D
14
13
12
11
10
9
8
7
6
5
4
3
2
1 HD
R 7 X 2
HD
R 1 9
49.
9
R3
7
GND
D+
25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 D B 25M
_ R A
J1
7
GN
D
AC
K
SEL
BU
S
Y
IN
IT
10K R6
STR
B
FEED
Fi
gu
re
3
. Di
g
ita
l
Cir
c
ui
tr
y