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Pin
No.
Mark
I/O
Division
Function
18
TRDP
O
Tracking drive (+) PWM
signal output terminal
19
TRDM
O
Tracking drive (-) PWM
signal output terminal
20
FODP
O
Focus drive (+) PWM signal
ouutput terminal
21
FODM
O
Focus drive (-) PWM signal/
focus, tracking ON/OFF
signal output terminal
22
SPDP
O
Spindle drive (+) PWM
signal output terminal
23
DIR
O
Spindle drive (-) PWM
signal output terminal
24
DV
DD
0
I
Power supply terminal
25
FG
I
FG input terminal
26
STPO0
O
Stepper drive signal 0
output terminal
27
STPO1
O
Stepper drive signal 1
output terminal
28
IV
DD
0
I
Power supply terminal for I/
O pad
29
DV
ss
0
—
GND terminal
30
RAD12
O
DRAM address output
terminal (Not used, open)
31
RAD11
32 /
~42
RAD10 /
~RAD0
O
DRAM address output
terminal
43 /
~ /
46
RDT3 /
~ / RDT0
I/O
DRAM data input/output
terminal
47
NRAS
O
DRAM row address strobe
output terminal
48
NCAS
O
DRAM culum address
strobe output terminal
49
NWE
O
DRAM write enable output
terminal
50
NRST
I
Reset signal input terminal
51
SELAD
I
MSP/MDA,I/F address
select input terminal (“H”
Address)
52
SSCK
I
MSP/MDA,I/F clock input
terminal
53
SSDW
I
MSP/MDA,I/F write data
input terminal
39