66
XR-A880, XR-A770
LC78622NE (CD ASSY : IC8301)
• CD DSP IC
•
Block Diagram
•
Pin Function
Slice level
control
RAM address
generator
Interpolation
mute
Digital
output
Digital
attenuator
L. P. F
Crystal oscillation
system generator
General
purpose port
Sync
detection EFM
demosulation
C1, C2 error detection
& correcting Flag
Processing
CLV Digital
servo
Sub core
separation
QCRC
Microcomputer
Interface
Servo
commander
VCO clock
oscillator
clock control
2k
×
8-bits
RAM
8
×
oversampling
digital-filter
1-bit DAC
1
10
22
9
3
5
59
15 16 17
19
20
45
60 61 46 52
44 43 39 41 35
40
37 42 38 36
48
34 24
18
29
7
20
64 11 32 33 62
23 8
31
21
51
63
30
56
54
12
13
49
47
50
53
55
57
14
25 26 27 28
DEFI
EFMIN
FSEQ
CLV+
CLV–
V/*P
PW
SBCK
SBSY
SFSY
*CS
WRQ
SQOUT
*CQCK
COIN
RWC
HFL
TES
TOFF
JP–
JP+
58
*RES
TGL
PCCL
CONT1
CONT2
CONT3
CONT4
CONT5
EMPH/CONT6
EFLG
16M
4.2M
XVSS
FSX
XIN
XOUT
XVDD
RVSS
RVDD
MUTER/CONT7
RCHO
LCHO
MUTEL/CONT8
LVSS
LVDD
C2F
DOUT
VSS
VDD
TEST4
TEST5
TEST3
TEST2
TEST1
TST11
TAI
PCK
FR
ISET
PDO
EFMO
6
VVDD
4
VVSS
.
o
N
e
m
a
N
n
i
P
O
/
I
n
o
i
t
c
n
u
F
1
I
F
E
D
I
.
)
d
e
s
u
n
u
n
e
h
w
V
0
o
t
d
e
t
c
e
n
n
o
c
e
b
t
s
u
M
(
n
i
p
t
u
p
n
i
)
F
E
D
(
l
a
n
g
i
s
n
o
i
t
c
e
t
e
d
t
c
e
f
e
D
2
I
A
T
I
s
n
i
p
L
L
P
.
V
0
o
t
d
e
t
c
e
n
n
o
c
e
b
t
s
u
M
.
n
i
-
t
li
u
b
s
i
r
o
t
s
i
s
e
r
n
w
o
d
-
ll
u
p
A
n
i
p
t
u
p
n
i
t
s
e
T
3
O
D
P
O
n
i
p
t
u
p
t
u
o
r
o
t
a
r
a
p
m
o
c
e
s
a
h
p
l
o
r
t
n
o
c
O
C
V
l
a
n
r
e
t
x
E
4
S
S
V
V
−
.
V
0
o
t
d
e
t
c
e
n
n
o
c
e
b
t
s
u
M
n
i
p
d
n
u
o
r
g
O
C
V
l
a
n
r
e
t
n
I
5
T
E
S
I
I
A
n
i
p
n
o
i
t
c
e
n
n
o
c
r
o
t
s
i
s
e
r
t
n
e
m
t
s
u
j
d
a
t
n
e
r
r
u
c
t
u
p
t
u
o
O
D
P
6
D
D
V
V
−
n
i
p
y
l
p
p
u
s
r
e
w
o
p
O
C
V
l
a
n
r
e
t
n
I
7
R
F
I
A
t
n
e
m
t
s
u
j
d
a
e
g
n
a
r
y
c
n
e
u
q
e
r
f
O
C
V
8
S
S
V
−
.
V
0
o
t
d
e
t
c
e
n
n
o
c
e
b
t
s
u
M
n
i
p
d
n
u
o
r
g
m
e
t
s
y
s
l
a
t
i
g
i
D
9
O
M
F
E
O
l
o
r
t
n
o
c
l
e
v
e
l
e
c
il
S
n
i
p
t
u
p
t
u
o
l
a
n
g
i
s
M
F
E
0
1
N
I
M
F
E
I
n
i
p
t
u
p
n
i
l
a
n
g
i
s
M
F
E
1
1
2
T
S
E
T
I
.
V
0
o
t
d
e
t
c
e
n
n
o
c
e
b
t
s
u
M
.
n
i
-
t
li
u
b
s
i
r
o
t
s
i
s
e
r
n
w
o
d
-
ll
u
p
A
n
i
p
t
u
p
n
i
t
s
e
T
2
1
+
V
L
C
O
t
u
p
t
u
o
l
o
r
t
n
o
c
r
o
t
o
m
c
s
i
D
.
d
n
a
m
m
o
c
r
o
s
s
e
c
o
r
p
o
r
c
i
m
y
b
t
u
p
t
u
o
e
u
l
a
v
-
e
e
r
h
t
o
t
t
e
s
e
b
n
a
C
3
1
–
V
L
C
O
4
1
P
*
/
V
O
n
i
p
t
u
p
t
u
o
r
o
t
i
n
o
m
g
n
i
h
c
t
i
w
s
c
i
t
a
m
o
t
u
a
l
o
r
t
n
o
c
e
s
a
h
p
/
o
v
r
e
s
h
g
u
o
R
.
l
e
v
e
l
w
o
l
a
o
v
r
e
s
h
g
u
o
r
g
n
i
r
u
d
l
e
v
e
l
h
g
i
h
a
s
t
u
p
t
u
O
5
1
L
F
H
I
.
t
u
p
n
i
t
t
i
m
h
c
S
a
s
i
s
i
h
T
n
i
p
t
u
p
n
i
l
a
n
g
i
s
n
o
i
t
c
e
t
e
d
k
c
a
r
T
6
1
S
E
T
I
.
t
u
p
n
i
t
t
i
m
h
c
S
a
s
i
s
i
h
T
n
i
p
t
u
p
n
i
l
a
n
g
i
s
r
o
r
r
e
g
n
i
k
c
a
r
T
7
1
F
F
O
T
O
n
i
p
t
u
p
t
u
o
f
f
o
g
n
i
k
c
a
r
T
8
1
L
G
T
O
.
w
o
l
n
e
h
w
n
i
a
g
e
h
t
e
s
a
e
r
c
n
I
n
i
p
t
u
p
t
u
o
g
n
i
h
c
t
i
w
s
n
i
a
g
g
n
i
k
c
a
r
T
9
1
+
P
J
O
t
u
p
t
u
o
p
m
u
j
k
c
a
r
T
.
d
n
a
m
m
o
c
r
o
s
s
e
c
o
r
p
o
r
c
i
m
y
b
d
e
i
f
i
c
e
p
s
n
e
h
w
e
l
b
i
s
s
o
p
o
s
l
a
s
i
t
u
p
t
u
o
e
u
l
a
v
-
e
e
r
h
T
0
2
–
P
J
O