u
p
n
I
g
o
l
a
n
A
N
I
O
F
3
B
t
Input of Focusing Signal (Negative)
Alternative Function : Auxiliary servo input
A2 FOIP
Analog Input
Input of Focusing Signal (Positive)
Alternative Function : Auxiliary servo input
K2 FOO
Analog Output
Focus servo output. PDM output of focus servo compensator.
C1 FPDOCD
Analog Input
Laser Power Monitor Input for CD APC / Differential negative input
D2 FPDODVD
Analog Input
Laser Power Monitor Input for DVD APC / Differential positive input
N2
FEGAINSW1
Analog Output
Read gain switch. 1
N3
FEGAINSW2
Analog Output
Read gain switch 2.
P3 FEGAINSW3
Analog Output
Read gain switch 3.
n
o
-
r
e
w
o
p
t
a
e
e
r
f
-
e
k
i
p
s
s
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n
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p
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h
T
.
a
t
a
d
e
c
a
f
r
e
t
n
i
l
a
ir
e
s
D
D
L
L
T
T
V
L
V
3
.
3
0
O
I
G
E
F
1
T
I/O,
stage. The pin is not allowed to pull-up in circuit layout.
5V-tolerance,
FE_MUTE1
2,4,6,8 mA
PDR, 75K pulldown
n
o
-
r
e
w
o
p
t
a
e
e
r
f
-
e
k
i
p
s
s
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n
i
p
e
h
T
.
K
L
C
e
c
a
f
r
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t
n
i
l
a
ir
e
s
D
D
L
L
T
T
V
L
V
3
.
3
1
O
I
G
E
F
4
P
I/O,
stage. The pin is not allowed to pull-up in circuit layout.
5V-tolerance,
FE_MUTE2
2,4,6,8 mA
PDR,75K pulldown
n
o
r
e
w
o
p
t
a
e
e
r
f
-
e
k
i
p
s
s
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n
i
p
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h
T
.
a
t
a
d
e
v
i
e
c
e
r
l
a
ir
e
s
2
3
2
S
R
C
P
L
T
T
V
L
V
3
.
3
0
1
O
I
G
E
F
6
T
I/O,
stage
5V-tolerance,
URXD
2,4,6,8 mA
PDR,
75K pull-up
n
o
r
e
w
o
p
t
a
e
e
r
f
-
e
k
i
p
s
s
i
n
i
p
e
h
T
.
a
t
a
d
t
i
m
s
n
a
r
t
l
a
ir
e
s
2
3
2
S
R
C
P
L
T
T
V
L
V
3
.
3
1
1
O
I
G
E
F
5
T
I/O,
stage.
5V-tolerance,
UTXD
2,4,6,8 mA
PDR,
75K pull-up
e
e
r
f
-
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k
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p
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T
)
K
C
O
L
C
(
.
t
r
o
p
t
u
p
t
u
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l
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p
s
h
g
i
H
L
T
T
V
L
V
3
.
3
2
1
O
I
G
E
F
5
R
I/O,
at power-on stage.
5V-tolerance,
2,4,6,8 mA
PDR,
75K pull-up
t
a
e
e
r
f
-
e
k
i
p
s
s
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n
i
p
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h
T
)
a
t
a
D
(
t
r
o
p
t
u
p
t
u
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s
h
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H
L
T
T
V
L
V
3
.
3
3
1
O
I
G
E
F
4
V
I/O,
power-on stage.
5V-tolerance,
Servo Mon
2,4,6,8 mA
PDR,
75K pull-up
.
e
g
a
t
s
n
o
-
r
e
w
o
p
t
a
e
e
r
f
-
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k
i
p
s
s
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n
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p
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h
T
.
O
I
l
a
r
e
n
e
G
L
T
T
V
L
V
3
.
3
2
O
I
G
E
F
2
T
I/O,
NC
5V-tolerance,
2,4,6,8 mA
PDR,
75K pull-up
a
e
e
r
f
-
e
k
i
p
s
s
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n
i
p
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h
T
.
t
u
p
t
u
O
0
l
a
it
i
n
I
.t
u
p
t
u
O
l
o
r
t
n
o
C
D
E
L
L
T
T
V
L
V
3
.
3
3
O
I
G
E
F
6
P
t
I/O,
power-on stage.
5V-tolerance,
FE_EJECT
2,4,6,8 mA
PDR, 75K pulldown
U1 FEGIO4
Analog Output
Read/Write gain switch 6
R4 FEGIO5
Analog Output
Read/Write gain switch 7
MODE B
P5
FEGIO6
Analog Output
Read/Write gain switch 8. The pin is not allowed to pull-up in
circuit layout.
MODE C
s
i
n
i
p
e
h
T
.
e
g
a
t
s
n
o
-
r
e
w
o
p
t
a
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e
r
f
-
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k
i
p
s
s
i
n
i
p
e
h
T
.
O
I
l
a
r
e
n
e
G
L
T
T
V
L
V
3
.
3
7
O
I
G
E
F
2
U
I/O,
not allowed to pull-up in circuit layout.
5V-tolerance,
LDEN
2,4,6,8 mA
PDR,
75K pulldown
.
e
g
a
t
s
n
o
-
r
e
w
o
p
t
a
e
e
r
f
-
e
k
i
p
s
s
i
n
i
p
e
h
T
O
I
l
a
r
e
n
e
G
L
T
T
V
L
V
3
.
3
8
O
I
G
E
F
3
T
I/O,
NC
5V-tolerance,
2,4,6,8 mA
PDR,
75K pull-up
BDP-BX38/S280/S380/S383
6-6