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XR-VS99
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3 7 63 1515 0
LC78622NE (CD ASSY : IC8301)
• CD DSP IC
•
Block Diagram
DEFI
1
Slice level
control
EFMIN
10
Sync
FSEQ
22
detection EFM
demosulation
12
CLV+
CLV Digital
servo
CLV–
13
V/*P
14
PW
49
Sub core
SBCK
51
separation
QCRC
SBSY
47
SFSY
50
*CS
63
WRQ
53
Microcomputer
Interface
SQOUT
55
*CQCK
57
COIN
56
RWC
54
15 16 17
TE
L 13942296513
•
Pin Function
N
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P
n i
N
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m
e
/ I
O
1
D
E
I F
I
D
2
T
I A
I
3
P
D
O
O
−
4
V
V
S
S
P
5
S I
E
T
I A
−
6
V
V
D
D
7
F
R
I A
−
8
V
S
S
D
9
E
F
M
O
O
S
1
0
E
F
M
N I
I
1
1
T
E
S
T
2
I
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1
2
C
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+
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C
1
3
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1
4
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1
5
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1
6
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64
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9
6
4
3
5
7
21
VCO clock
oscillator
clock control
C1, C2 error detection
& correcting Flag
Processing
General
Servo
purpose port
commander
20
19
58
18
34 24
25 26 27 28
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20
59
64 11 32 33 62
23 8
2k × 8-bits
RAM address
RAM
generator
Crystal oscillation
system generator
29
48
60 61 46 52
45
44 43 39 41 35
Q Q
3
6 7
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2 9
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Interpolation
30
C2F
mute
Digital
DOUT
31
output
Digital
attenuator
8 × oversampling
digital-filter
1-bit DAC
L. P. F
40
37 42 38 36
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