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3 7 63 1515 0
Pin No.
Pin Name
40
DVSS
41
XOE
42
XCAS
43
A09
44
XRAS
45
XWE
46
D1
47
D0
48
D2
49
D3
50
MVCI
51
ASYO
52
ASYI
53
AVDD
54
BIAS
55
RFI
56
AVSS
57
PDO
58
PCO
59
FILI
60
FILO
TE
L 13942296513
61
CLTV
62
PEAK
63
BOTM
64
ABCD
65
FE
66
AUXI
67
VC
68
ADIO
69
AVDD
70
ADRT
71
ADRB
72
AVSS
73
SE
74
TE
75
AUX2
76
DCHG
77
APC
78
ADFG
79
F0CNT
80
XLRF
81
CKRF
82
DTRF
83
APCREF
84
LDDR
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* EFM : Eight to Fourteen Modulation
PLL : Phase Locked Loop
VCO : Voltage Controll Oscillator
.
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I/O
—
Ground terminal (digital system)
O
Output enable signal output to the external D-RAM
O
Column address strobe signal output to the external D-RAM
O
Address signal output to the external D-RAM
O
Row address strobe signal output to the external D-RAM
O
Write enable signal output to the external D-RAM
I/O
I/O
Two-way data bus for the external D-RAM
I/O
I/O
I (S)
Digital in PLL oscillation input from the external VCO (fixed at "L")
O
Playback EFM full-swing output
I (A)
Playback EFM asymmetry comparator voltage input
—
Power supply terminal (+3.3V) (analog system)
I (A)
Playback EFM asymmetry circuit constant current input
I (A)
Playback EFM RF signal
—
Ground terminal (analog system)
O (3)
Phase comparison output for clock playback analog PLL of the playback EFM (Not used)
O (3)
Phase comparison output for master clock of the recording/playback EFM master PLL
I (A)
Filter input for master clock of the recording/playback master PLL
O (A)
Filter output for master clock of the recording/playback master PLL
I (A)
Internal VCO control voltage input of the recording/playback master PLL
I (A)
Light amound signal (RF/ABCD) peak hold input from the CXA2523R (IC101)
I (A)
Light amount signal (RF/ABCD) bottom hold input from the CXA2523R (IC101)
I (A)
Light amount signal (ABCD) input from the CXA2523R (IC101)
I (A)
Focus error signal (I
3
I (A)
Auxiliary signal (I
signal/temperature signal) input from the CXA2523R (IC101)
3
I (A)
Middle point voltage (+1.65V) input from the CXA2523R (IC101)
O (A)
Monitor output of the A/D converter input signal (Not used)
—
Power supply terminal (+3.3V) (analog system)
I (A)
A/D converter operational range upper limit voltage input terminal (fixed at "H" in this set)
I (A)
A/D converter operational range lower limit voltage input terminal (fixed at "L" in this set)
—
Ground system (analog system)
I (A)
Sled error signal input from the CXA2523R (IC101)
I (A)
Tracking error signal input from the CXA2523R (IC101)
I (A)
Auxiliary signal input terminal (fixed at "L")
I (A)
Connected to the +3.3V power supply
I (A)
Error signal input for the laser automatic power control (fixed at "L")
I (S)
ADIP duplex FM signal (22.05kHz±1kHz) input from the CXA2523R (IC101)
O
Filter f0 control signal output to the CXA2523R (IC101)
O
Serial latch signal output to the CXA2523R (IC101)
O
Serial clock signal output to the CXA2523R (IC101)
O
Writing data output to the CXA2523R (IC101)
O
Control signal output to the reference voltage generator circuit for the laser automatic power control
O
PWM signal output for the laser automatic power control (Not used)
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2 9
8
Description
Q Q
3
6 7
1 3
1 5
signal/temperature signal) input from the CXA2523R (IC101)
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.
— 51 —
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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