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Pin No.
Pin Name
XCAS
46
XRAS
47
A09
48
A08
49
A10
50
A07
51
A00
52
A06
53
A01
54
A05
55
A02
56
VDC2
57
VSC2
58
A04
59
A03
60
DRVDD1
61
DRVSS1
62
TEST0
63
TEST1
64
TEST2
65
AVD1
66
ASYO
67
ASYI
68
BIAS
69
RFI
70
AVS1
71
PCO
72
FILI
73
FILO
74
CLTV
75
PEAK
76
BOTM
77
ABCD
78
FE
79
AUX1
80
VC
81
ADIO
82
ADRT
83
ADRB
84
SE
85
TE
86
AVD2
87
AVS2
88
DCHG
89
APC
90
ADFG
91
* I (A) for analog input, O (3) for 3-state output, and O (A) for analog output in the column I/O
• Abbreviation
EFM: Eight to Fourteen Modulation
PLL : Phase Locked Loop
VCO: Voltage Controlled Oscillator
I/O
O
CAS signal output for DRAM
O
RAS signal output for DRAM
O
DRAM address output
O
O
Not used (Open)
O
O
O
DRAM address output
O
O
O
Power supply
—
Ground
—
DRAM address output
O
DRAM address output
O
Power supply
—
Ground
—
Not used (Fixed at "L")
I
Not used (Fixed at "H")
I
Not used (Open)
I
Power supply
—
Play back EFM duplex signal output
O
Play back EFM comparator slice level input
I (A)
Play back EFM comparator bias current input
I (A)
Play back EFM RF signal input
I (A)
Ground
—
Phase comparison output for the recording/playback EFM master PLL
O (3)
Filter input for the recording/playback EFM master PLL
I (A)
Filter output for the recording/playback EFM master PLL
O (A)
Internal VCO control voltage input for the recording/playback EFM master PLL
I (A)
Light amount signal peak hold input
I (A)
Light amount signal bottom hold input
I (A)
Light amount signal input
I (A)
Focus error signal input from the CXA2523AR
I (A)
Auxiliary A/D input
I (A)
Middle point voltage input from the CXA2523AR
I (A)
Monitor output of the A/D converter input signal (Not used) (Open)
O (A)
A/D converter operational range upper limit voltage input (Fixed at "H")
I (A)
A/D converter operational range lower limit voltage input (Fixed at "L")
I (A)
Sled error signal input from the CXA2523AR
I (A)
Tracking error signal input from the CXA2523AR
I (A)
Power supply
—
Ground
—
Connected to +3V power supply
I (A)
APC error signal input (Not used) (Fixed at "H")
I
ADIP duplex FM signal input from the CXA2523AR
I
Description
MDS-JE780
47
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