35
MDS-JB980
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
Description
Pin No.
Pin Name
I/O
XCAS
XRAS
A09
A08
A10
A07
A00
A06
A01
A05
A02
VDC2
VSC2
A04
A03
DRVDD1
DRVSS1
TEST0
TEST1
TEST2
AVD1
ASYO
ASYI
BIAS
RFI
AVS1
PCO
FILI
FILO
CLTV
PEAK
BOTM
ABCD
FE
AUX1
VC
ADIO
ADRT
ADRB
SE
TE
AVD2
AVS2
CAS signal output for DRAM
RAS signal output for DRAM
DRAM address output
Not used. (Open)
DRAM address output
Power supply pin (+2.6 V)
Ground pin
DRAM address output
DRAM address output
Power supply pin (+3.3 V)
Ground pin
Not used. (Fixed at “L”.)
Not used. (Fixed at “H”.)
Not used. (Open)
Power supply pin (+3.3 V)
Play back EFM duplex signal output
Play back EFM comparator slice level input
Play back EFM comparator bias current input
Play back EFM RF signal input
Ground pin
Phase comparison output for the recording/playback EFM master PLL
Filter input for the recording/playback EFM master PLL
Filter output for the recording/playback EFM master PLL
Internal VCO control voltage input for the recording/playback EFM master PLL
Light amount signal peak hold input
Light amount signal bottom hold input
Light amount signal input
Focus error signal input from the CXA2523AR (IC101)
Auxiliary A/D input
Middle point voltage input from the CXA2523AR (IC101)
Monitor output of the A/D converter input signal (Not used.) (Open)
A/D converter operational range upper limit voltage input (Fixed at “H”.)
A/D converter operational range lower limit voltage input (Fixed at “L”.)
Sled error signal input from the CXA2523AR (IC101)
Tracking error signal input from the CXA2523AR (IC101)
Power supply pin (+3.3 V)
Ground pin
O
O
O
O
O
O
O
O
O
O
O
—
—
O
O
—
—
I
I
I
—
O
I (A)
I (A)
I (A)
—
O (3)
I (A)
O (A)
I (A)
I (A)
I (A)
I (A)
I (A)
I (A)
I (A)
O (A)
I (A)
I (A)
I (A)
I (A)
—
—
* 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
