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I/O
Pin
Terminal
No.
Name
14 ASGAIN
O
Main beam amp gain
adjustment output
15 ABGAIN
O
APP adjustment output
16 AV
I
Power supply terminal
1
DD
17 AV
-
GND terminal
1
SS
18
FOD
O
Focus drive signal output
19
TRD
O
Tracking drive signal output
20
TVD
O
Traverse motor drive signal
output
21
SPD
O
Spindle motor drive signal
output
22 SPON
O
Drive IC spindle ON signal
output
23 TVON
O
Drive IC traverse ON signal
output
24 DV
I
Power supply terminal
0
DD
25
FG
I
FG input
26 NRECT
O
Rec/Play switching signal output
27 IV
I
Power supply terminal for I/O
2
DD
pad
28 IV
-
Power supply terminal for I/O
0
DD
pad
29 DV
-
GND terminal
0
SS
30
RAD12
|
-
DRAM address output (Not
|
used, open)
RAD10
32
33
RAD9
|
O
DRAM address output
|
RAD0
42
43
RDT3
|
I/O DRAM data input/output
|
RDT0
46
47 NRAS
O
DRAM row address strobe
signal output
48 NCAS
O
DRAM column address strobe
signal output
49
NWE
O
DRAM write enable signal output
50 NRST
I
Reset signal input
51 SELAD
I
MSP/MDA, I/F address select
signal input
52 SSCK
I
MSP/MDA, I/F clock signal input
Function
27
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