64
XR-VS99
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
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