Pin No.
Pin Name
I/O
Description
-20-
IC DESCRIPTION - 1/3 (MN35530 - 1/3)
1
DVDD3V
I
Power supply for DRAM interface(Pin No.2-19)
2
D0
I/O
Data input/output 0 for DRAM
3
D1
I/O
Data input/output 1 for DRAM
4
NEW
O
Write-in ineburu signal output for DRAM
5
NRAS
O
RAS control signal output for DRAM
6
D2
I/O
Data input/output 2 for DRAM
7
D3
I/O
Data input/output 3 for DRAM
8
NCAS0
O
CAS control signal output 0 for DRAM
9
NCAS1
O
CAS control signal output 1 for DRAM
10
A8
O
Address signal output 8 for DRAM
11
A7
O
Address signal output 7 for DRAM
12
A6
O
Address signal output 6 for DRAM
13
A5
O
Address signal output 5 for DRAM
14
A4
O
Address signal output 4 for DRAM
15
A9
O
Address signal output 9 for DRAM
16
A0
O
Address signal output 0 for DRAM
17
A1
O
Address signal output 1 for DRAM
18
A2
O
Address signal output 2 for DRAM
19
A3
O
Address signal output 3 for DRAM
20
DVSS2
I
GND for digital circuits
21
DVDD2
I
Power supply for digital circuits
22
SPOUT
O
The signal output for a spindle motor drive
23
TRVP
O
Traverse drive signal output(Plus polarity output)
24
TRVM
O
Traverse drive signal output(Minus polarity output)
25
TRP
O
Tracking drive signal output(Plus polarity output)
26
TRM
O
Tracking drive signal output(Minus polarity output)
27
FOP
O
Focus drive signal output(Plus polarity output)
Focus drive signal output(Minus polarity output)
Focus barance control signal output
Tracking barance control signal output
I
"Crystal oscillation frequency specification signal inputH:
3308688MHz,L: 16.9344MHz"
I
Focal error signal input
I
Tracking error signal input
I
signal output
35
OFT
I
Off-track signal input H: Off-track
36
NRFDET
I
RF detect signal input L: Detect
37
BDO
I
Dropout signal input H: Dropout
38
LDON
I
Laser ON signal output H: ON
39
ARE
I
RF signal output
40
IREF
I
Reference current input terminal
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8
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9
2
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4
2
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8
0
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3
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