29
HD74LV157A
Inputs
Output
STB SEL A B
H X X X
L
L
L
L
X
L
L
L
H
X
H
L H X L
L
L H X H
H
H : High
L : Low
X :
13
14
11
12
15
16
9
10
V
CC
4A
STB
4B
4Y
3A
1
2
3
4
5
6
7
8
SEL
1A
1B
1Y
2A
2B
2Y
GND
3B
3Y
A
G
S
B
A
Y
B
A
Y
B
A
Y
B
Y
D / A
I n t e r f a c e
E r r o r
C o r r e c t o r
3 2 K
RAM
D i g i t a l
OUT
S u b C o d e
P r o c e s s o r
C l o c k
G e n e r a t o r
A s y m m e t r y
C o r r e c t o r
D i g i t a l
P L L
D i g i t a l
CLV
CPU
I n t e r f a c e
S e r v o
A u t o
S e q u e n c e r
RF AC
ASYO
ASYE
B I A S
XPCK
F I L O
F I L I
PCO
CL T V
MDP
L OCK
SENS
DAT A
XL AT
CL OK
SCOR
SBSO
EXCK
SCSY
SQSO
SQCK
XRST
T EST
T ES1
PWMI
ASYI
F ST O
C4 M
SERVO
I n t e r f a c e
M I R R
DFCT
F OK
SERVO DSP
FOCUS SERVO
TRACKING
SERVO
SLED SERVO
PWM GENERATOR
FOCUS PWM
GENERAT OR
TRACKING PWM
GENERAT OR
SLED PWM
GENERATOR
RF DC
CE
T E
SE
F E
VC
I G E N
OPAmp
A n a l o g S W
A / D
C o n v e r t e r
ADIO
F F DR
F RDR
T F DR
T RDR
SF DR
SRDR
SOUT
SOCK
XOL T
SCL K
COUT
SST P
AT SK
M I R R
DF CT
FOK
XT
AI
XT
AO
XT
SL
V
16M
VPC
O
VC
T
L
M
UT
E
B
CK
P
CM
D
L
RCK
C
2P
O
W
DCK
DOUT
MD2
W
FC
K
EM
PH
GF
S
XU
G
F
EFM
d e m o d u r a t o r
1 6
2 7
5 0
4 8
4 9
5 7
6 2
1 2
2 3
2 4
2 5
5 2
5 3
5 4
5 5
4
5
6
7
1 5
7 6
7 7
7 8
7 9
8 0
4 0
3 9
3 8
4 1
4 2
4 3
4 4
4 6
2 9
3 0
3 4
3 1
3 2
3 3
8
9
1 9
2 0
2 1
2 2
2 6
7 3
7 4
7 5
2
3 7
3 6
3
1 4
1 7
6 7
6 5 6 6
1 0
1 1 1 3 6 8
5 8
5 9 6 0
6 9
7 1 7 2
6 3
6 4
Signal processor block
Servo block
Q116 : CXD3068Q
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